99. Glass bubbles can also be added to casting resins to adjust their density, such as when casting fishing lures. 38 g/cc and an isostatic crush strength of 4,000 psi. 5k) $374. hollow glass spheres. Buy from our range of handmade glass bubbler pipes. Health and Safety Information3M™ Glass Bubbles S22 are hollow glass spheres with a typical density of 0. FREE delivery Fri, Nov 24. Easy to sand. Globe Light Chandelier Lighting for Foyer and High Ceiling. The diameter of the bubbles ranges from 10 to 100 µm, with a large population of bubbles of smaller sizes. Amazon. KEYWORDS: Glass bubble, perlite, aerogel, insulation, liquid hydrogen, storage tank, mobile tanker, vibration. 162. By slowing down the ramp rates and adding a hold in the slumping range, you can accomplish a ‘bubble squeeze’ and encourage the air to escape as the glass fuses. 1-0. Gentle stirring of the water will help degas the water. This is because carbonation bubbles colonize around forbidden funk on the inside of a glass, whether those foreign materials are oils, dish soap, or food residue. 00/Count) Join Prime to buy this item at $69. 25"H Glass. Industries. Other user's assets Some assets in this file belong to other authors. 5%, 10. Handblown clear glass bubble bowls in various different sizes are excellent for DIY projects including fish aquariums or plant terrariums. They look like a bubble made of glass, and they can be used as decorative pieces,. Strength (MPa) 3. Shape. Hollow glass microspheres are typically used as a functional filler due to. Here is an adjusted fusing schedule for example: Ramp Rate (F) Hold Temp (F) Hold Time. The latest tweets from @gl4ss_bubble Brands. 8 in (63 cm) in width, 103. Step 2: Add bubble solution to make a 50/50 mix. UPC. LA Pipes Color Raked Fumed Sherlock Bubbler Pipe. This product has a density of 0. Coastal Modern Aqua Glass Bubble Table Lamp with USB port and Outlet, Free Shipping, Bulb Included, Dorm Light, Bedside Light, Desk Lamp (7) Sale Price $168. It is uniquely created in house by our master artists and it truly is an eye catching work of art! We have the ability to fuse glass bubbles to clear glass, textured glass, or even frosted satin glass for maximum privacy. With $30 billion in sales, our 90,000 employees connect with customers all around the world. 00. 23 g/cc and an isostatic crush strength of 3,000 psi. Raindrop Glass Water Pipe. When purchased online. High-strength, low-density hollow glass microspheres made from soda-lime borosilicate glass. The growing demand for automotive and aerospace products coupled with a surge in chemical usage will drive the global glass bubbles market over the forecast period. Pendant light for kitchen islands, hanging light, wood modern lamp, lighting chandelier, mid century lamp, three wooden bubbles, hanging lamp. ) Property 3M™ Glass Bubbles S38HS Crush strength, 80% survival by volume (psi) 5,500 True density (g/cc) 0. 2. header-hamburger. Colored Glass Beaker Base Ice Bong. 99-50%. All 3M Products. Apply a thin layer of the oil to the edges so it can get underneath your screen protector. In total, a glass of beer of this volume would generate between 200,000 and 2. H 9. champaign glass bubbles. Place it in a small amount of water. OnlyFans is the social platform revolutionizing creator and fan connections. 9, GB2=94. Bulb Requirements: It comes with four E26 base led bulbs (brightness adjustable), casting a warm and soft light up to 6W (per bulb). FL-FMS-22. Glass microspheres are usually between 1 and 1000 micrometers in diameter, although the sizes can range from 100 nanometers to 5 millimeters in diameter. INTRODUCTION Full understanding of the mechanical and vibration characteristics of bulk-fill insulation materials used for cryogenic storage tanks is important for effective applications. Product Color. 99. 3M™ Glass Bubbles S60 are hollow glass microspheres with a typical density of 0. The temperature is limited only by the quality of the furnace’s superstructure material and by the glass composition. They can reduce final part weight by 15% or more without compromising the mechanical. These foams displace 4-6 times their weight in most resins and improve the handling characteristics of the base resin. $179. Weightless feel. These general purpose spheres have a good strength-to-density ratio and are designed for use in a variety of intermediate depth (e. The glass bubble was loaded into the geopolymer concrete as per these percentages (2. United States. Options available. Figure 1 shows the morphology of glass bubbles via. As the name suggests, the glass curves into a bubble-like sphere with an opening at the top. View details. The batch is fed into the furnace at a slow, controlled rate by the batch processing system. Bubble Glass: A short explanation: Bubbles can occur in glass either because the glass-maker intends it, as part of the design, or because the techniques used were so crude that bubbles remain, as sometimes found in very old glass or in the work of novice glassmakers. gl4ss_bubble focuses on sustainable practices, significantly reducing the environmental impact of glass manufacturing. From $116. 3M™ Glass Bubbles S32 are hollow glass microspheres with a typical density of 0. These glass bubbles are designed for buoyancy and insulation in ultra-deep water applications in oil and gas drilling. These general purpose spheres offer very good strength-to-density ratio. 30 $ 168. 5 out of 5 stars "This was a great selection of colors and styles of glass in pieces ranging from 3-4" down to smaller than an inch. About the Author. 3M glass bubbles are being used for the first time on a massive industrial scale as insulation for NASA’s new liquid hydrogen storage tank. These foams displace 4-6 times their weight in most resins and improve the handling characteristics of the base resin. 99 ($7. North America. Good putty for cracks and holes. 1 tablespoon glycerin OR 1/4 cup light corn syrup. They have an average volume of 8 l/kg, making them an economical solution for the application of light loads. The flexible fill and vent hoses can be. 3M™ Glass Bubbles S32 are hollow glass microspheres with a typical density of 0. When the bubbles reach the top and crowd at the head, some liquid gets pushed to the sides, which in turn pushes down the bubbles sticking to the wall. Located in historic Ohio City, we offer beauty, Morty the Rooster, and a unique hands-on experience of art and community. 41 Followers, 104 Following, 0 Posts - See Instagram photos and videos from 🫑 (@gl4sss_)Financial markets are headed for a "huge crash," the bearish hedge fund manager Mark Spitznagel says. Light Blue bubbles mixed blown glass silver pendants. com. The global glass bubbles was valued at USD 112. 3 in D 6. sentences. 30 0. 125 g/cc) and an isostatic crush strength of 250 psi. Buy KATIN [2-Pack] Tempered Glass For Samsung Galaxy A12 Screen Protector Anti Scratch, Bubble Free, 9H Hardness, Easy to Install, Case Friendly: Screen Protectors - Amazon. This product has a density of 0. 99. 3M™ Glass Bubbles iM16K will change the way you think about plastic parts. Glass Bubble Bowl . 32. 0%, 20. Yung Yoder Silicone Bubbler Handpipe $ 52. B40064637. Bubble paint is applied directly to the glass and then heated in a glass kiln to create a raised, bubbly texture. 3M S60 Glass Bubbles Categories: Ceramic; Glass. Can be used monolithically, or as part of an insulating glass unit. Long-wearing colour, 8 hours. $22. Greenhouse insulation fixing clips can hold your bubble wrap in place, or you may be able to put fixing screws directly into the. Thousands of new, high-quality pictures added every day. Set of Glass Bubble Hair Clips, Water Fairy, Mermaid Hair Clip, Fairy Costume, Mermaid Costume, Bubble Hair Clips, Bubbles, Mermaid Hair (1. When adding to an extrusion process, the material should be added downstream of the feed hopper via a side stuffer or top feeder (similarRamp 2 50 degrees per hour to 1225 - 1250 (depending upon your kiln), hold one hour. The bubbles produce strong, stable voids and low thermal conductivity, helping the. 38 Packing factor (bulk density to true particle density) 60% Uses - The glass bubble bowl vase has many uses due to its simple and unique design. 20 g/cc and an isostatic crush strength of 500 psi. 95. These performance-enhancing polymer additives are used to create high-strength, low-density composite parts and syntactic foams for use in the automotive, marine, heavy truck, aerospace, oil and gas industries. Scotchlite glass bubbles help to reduce weight; reduce thermal expansion; and contribute to cost savings. The general purpose K Series glass bubbles are the most versatile and economical 3M™ Glass Bubbles. They can reduce final part weight by 15% or more without. 20 0. 5% during the forecast period. More importantly, the coating has good. 3M™ Glass Bubbles HGS4000 are hollow glass spheres designed for use in drilling, completion, and workover fluids, as well as cement slurries in the oil and gas industry. Glass. This product has a density of 0. OnlyFans is the social platform revolutionizing creator and fan connections. 50/Count) List: $49. Emile Gallé, one of the most prominent figures in the Art Nouveau movement and an expert on all the technical possibilities of glass, created subtle "talking" glassware (his verrerie parlante) and illustrated this decoration with the words: "La pluie au bassin fait des bulles. Financial markets are headed for a "huge crash," the bearish hedge fund manager Mark Spitznagel says. 8E (h/r) ) (1−v2) Where h: wall thickness of the glass bubble r: radius of the glass bubble v: Poisson’s ratio for glass The appropriate glass bubble grade for weight reduction ismaterials Article Properties of a New Insulation Material Glass Bubble in Geopolymer Concrete Noor Fifinatasha Shahedan 1, Mohd Mustafa Al Bakri Abdullah 1,*, Norsuria Mahmed 1, Andri Kusbiantoro 2, Sam Tammas-Williams 3, Long-Yuan Li 4, Ikmal Hakem Aziz 1, Petrică Vizureanu 5, Jerzy J. This will help to push the air bubbles out toward the corners of the screen protector. 00. From glass bubble chandeliers and pendant lights to sconces and flushmounts, our timeless modern light fixtures add a touch of elegance to any space. Scotchlite glass beads are made of borosilicate glass with low alkali content, so they can be mixed with cement. woman in glass bubble. FREE shipping. These general purpose glass bubbles are a reliable, light-weight additive used in a variety of industries and applications, including sporting goods. Next. choose color. Reusable Boba Cup Glass Bubble Tea Cup 4 Pack, 24Oz Wide Mouth Smoothie Cups with Lids Straw & Silicone Sleeve, Leakproof Mason Jar Drinking Water Bottle Travel Tumbler for Large Pearl Valentine Gifts. 11 $ 65. It will be the new composite materials at twenty-first century. Blowfish Glass Blowfish Glassworks Color Worked Bubble Bottom Bong. In this study, hollow glass bubbles (HGBs) of about 70 μm with through-holes of about 5 μm were successfully separated from a commercialized product and were used as targets to be sealed/covered by sheets of size about 24 μm. Lot of 6. 9k) $ 14. High-performance glass bubble & hollow glass microsphere BW-T20 is a kind of ultra-lightweight inorganic non-metallic material with hollow structure, and it is a versatile and high-performance new lightweight material developed in recent years. With a nominal density of 0. Availability. 300+ bought in past month. White. 00 $1,042. 97. 90. Our eco-friendly work appears in a variety of commercial and residential buildings from the Ritz Carlton hotel to private homes all across the country We call our artwork "Clevetion Glass" which is the opposite of the dainty and fragile Venetion Glass from Italy. 3k) $ 18. 00. blown glass bubbles. 97 £198. php:50. Glass Blowing and Metal Works Gallery • Custom Design • Classes • Parties • Free Demonstrations HomeDankStop Glass Bubble Bong with Rubber Grommet $ 25. Shake off any excess oil from your cotton swab and work around the edges of your screen protector. Make sure there is no excess oil on your cotton swab. Shape. Glass microspheres are microscopic spheres of glass manufactured for a wide variety of uses in research, medicine, consumer goods and various industries. More Buying Choices. A second study was conducted to evaluate the effects of higher and lower bubble loading on these same properties. 97,000+ Vectors, Stock Photos & PSD files. 27. The hold at Ramp 1 ensures that all of the glass comes to the same temperature prior to beginning the slow ramp up to the bubble squeeze hold. For example, they can be formulated into quick-drying, low-shrinkage spackling and other construction materials. Today, advancements in the strength-density ratio of glass bubbles enables these materials to be used at any. 2. 88. Light Blue bubbles mixed blown glass silver pendants. 11g/cc and good strength-to-density ratio. Bubble number - The bubble chandelier with 20 glass bubbles; Bulb Requirements- It comes with six E26 base led bulbs (brightness adjustable), casting a warm and soft light up to 6W (per bulb). In addition to having no negative impact on health, using foam glass bubbles guarantees excellent insulation with the highest fire safety and ease of use. com: LEMONSODA Crystal Bubble Base Whiskey Glass Tumbler - Set of 4 - Thick Weighted Bottom - Unique Design - Great for Scotch Whiskey, Old Fashion, Manhattan, Bourbon & Cocktails : ElectronicsTap water contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. Because this high-quality glass is very crush resistant, the foam is much stronger, stiffer and water-resistant than any foam made by chemical foaming. Click here to see more detailed information about each Bubble and an. 06 in W 6. 3M™ Glass Bubbles K20HS are hollow microspheres made of soda-lime borosilicate glass with a true density of 0. However, they are available upon request. Tiny, hollow glass microspheres can achieve weight savings of 40% or higher in silicone-based resins. 5 lb, 10 lb, 12800 lb, 335 lb, 340 lb, 360 lb, 60 lb. Hollow glass bubble technology was developed by 3M in the 1960s. A soap bubble floating in the air. The furnaces are natural gas- or fuel oil-fired, and operate at temperatures up to 1,575 °C (2,867 °F). Learn more about 3M’s creative solutions to the world’s problems at or on Twitter @3M or @3MNewsroom. 70 Density (g/cc) Collapse Strength (psi) Conventional glass bubble development (trend shows incremental. This can lead to explosive boiling! Bubbles form in other liquids, too. Yang greatly acknowledges the partial financial support from HKUST Start-up Fund (R9365). lower than the glass bubble samples (GB1=94. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. (KSC). com FREE DELIVERY possible on eligible purchases1. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point. Choose from top brands like Noble Glass, Glass Stone, Solid Glass, and many more. This technology optimizes energy usage and minimizes. For over 25 years, The Glass Bubble Project has been a premier Cleveland glassblowing studio. Hollow Glass Microspheres (HGMS) are near perfect engineered spherical bubbles of thin walled glass, that are approximately 50 microns in size, with a really low density of between 0. The hydrogen stored in the new 1. These spheres are designed for use in a variety of oil and gas applications including drill riser buoyancy modules, buoys and moorings. Elegant design, glass bubble lampshades Arranged Line up on the light pole. 2664, 10. 11 Shop Our Glass Bubblers for Sale. 97. 3 in. (640) $1,240. Glass bubble is an interpretation of modern glass semi-flush mount, explaining its fashion and function to us. The latest tweets from @gl4ss_bubbleBrands. Effect of Processing Conditions on the Extent of Glass Bubble Survival During Twin Screw Compounding (PDF, 576 KB) Innovative High Strength Glass Microspheres for Extruded. 60 0. Oxygen bubbles may be generated by electrolytic conduction. Polish the glass bubble with a cloth to give it a glossy finish. Glass bubbles are a beautiful and unique art form that can be created by glassblowing. Glass bubbles were developed in the 1960s as an outgrowth from the manufacture of solid glass beads. 60 g/cc and an isostatic crush strength of 6,000 psi. 3k) $ 5. Great for minor surface repairs. 383M ™ Glass Bubbles 5G Applications Comparison 3M Advanced Materials Division Introduction 3M™ Glass Bubbles have been used in many industries as a hollow, strong,3M Glass Bubbles HGS0750, HGS2000, HGS3000, HGS4000, HGS5000, 3 HGS6000, HGS10000, HGS18000 ----- 7. Simple glass blowing technique of closing the end of borosilicate glass tubing and thickening the glass before blowing a nice. Circle, Moon, Square. 864 Followers, 381 Following, 46 Posts - See Instagram photos and videos from @gl4ss_3M™ Glass Bubbles K1 are hollow glass microspheres that are ideal for a number of applications including – shallow (e. 25% Off With Code +1 Color Available in 2 Colors. Discover the Light Factory's stunning handmade lighting, crafted with care in the Pacific Northwest. Firstly, these HGBs were treated with poly (ethyleneimine) (PEI) cross-linked polydopamine. 3390/polym12112664 (Basel) Google Scholar [15]You could also gather a collection of round bowl glass bubble vases to set up a candy buffet or to display novelty items. 30 3M™ Glass Bubbles S38 are hollow glass spheres with a typical density of 0. 3M Glass Bubbles are used as additives in an astonishing variety of products. With Q Cells, you can easily make your own fairing. 2k) $ 140. The use of glass bubbles also provides more uniform control and reproducibility than other methods typically used for weight reduction, such as foaming agents. These glass bubbles can help compounders and design engineers with applications requiring reduced. Venus Fly Trap, Grow Your Own Venus Flytrap in a 100% Self Sustaining Glass Terrarium, Maintenance Free, Easy to Grow, Healthy Growth Guarantee. 53 Sale price £499. 22 g/cc and an isostatic crush strength of 400 psi. The researchers estimated there could be between 200,000 and 2 million bubbles released before a half-pint of lager would go flat. 3M™ Glass Bubbles HGS10000. 50+ bought in past month. 50. 4. Hollow glass microspheres, sometimes. 6k) $ 1. Glass Bubblers for sale from various artists, we have mini bubblers and over 30+ Bubbler Pipes to choose from! Get Free 3-day Shipping, no minimum purchase necessary. 4. These glass bubbles are designed for numerous applications such as deep water syntactic foams and airless spray coatings. The Glass Bubble Project specializes in creating unique works of art from recycled metal and hand blown glass. High melt viscosity materials in high pressureGlass Bubble Survival During Twin Screw Compounding (PDF, 576 KB) “Plug-N-Play” Weight Reduction Solution by Hollow Glass Microspheres (PDF, 882 KB) Benefits & Processing Behavior of Glass Bubbles in Polymer Wood Composites (PDF, 397 KB) The use of 3M™ Glass Bubbles to increase time until condensation forms on painted. Located in Tarrytown, NY. The Global Glass Bubbles Market size is expected to grow at a CAGR of 5. The hold at Ramp 1 ensures that all of the glass comes to the same temperature prior to beginning the slow ramp up to the bubble. Non-combustible and non-porous, the glass bubbles do not absorb moisture. 3M™ Glass Bubbles K11 are hollow glass microspheres with a typical density of 0. 47 $94. Options: 2 sizes. (42) $49. The base polymer resin viscosity and the level of pressure fields experienced in the process influence the survival rate of the glass bubbles. 79 reg $93. The bubbles produce strong, stable voids with low thermal conductivity, helping the coating achieve the necessary compressive strength. These K-20 series bubbles are actually hollow glass spheres. These glass bubbles are designed for a number of industries, including auto body repair fillers and syntactic foams for deep water buoyancy. We would like to show you a description here but the site won’t allow us. IEIK 10 PCS Crystal Cabinet Knobs Round Glass Bubbles Knobs Smooth Drawer Pulls Handle for Home, Cabinet, Drawer and Dresser with 3 Different Size Screws, 30MM (Transparent) 4. 006 Maximum quantity per 100 cm3 10 4 2 Tab. Palmer Holland is a North American specialty chemical and fine ingredient distributor of raw materials with its headquarters in. Glass bubbles were. 3M™ Glass Bubbles K37 are lightweight hollow glass microspheres with a density of 0. June 5, 2006. 3M™ Glass Bubbles K37 are lightweight hollow glass microspheres with a density of 0. The history of glass blowing starts in Syria, where the technique of blowing into molten glass was invented. Centrifugal, gear, lobe, and progressive cavity pumps should be avoided. 1 cup water. 0%). If you want your blown glass to be free of bubbles, ask about their manufacturing process before purchasing! Save. Job Creation3M™ Glass Bubbles iM30K will change the way you think about plastic parts. 0. “Glass bubbles by. 29. 1 2 3. $169. 3. Regarding remove this bubbles from molten glass. Product information 3M™ Glass Bubbles S 22. Options available. United States. Mix the following ingredients in a bottle: 1/4 cup dish soap. 3M™ Glass Bubbles XLD3000 are hollow glass spheres with a typical density of 0. Gas bubbles are among the most common defects found in the porcelain shells of fractured crown samples. 37 g/cc and a crush strength of 3,000 psi. And this residue can not only. Glass bubble technology has taken strong leaps in achieving a high “strength to density ratio,” resulting in the recent development of 3M ™ Glass Bubbles iM16K (Table 1) for use in demanding polymer processing operations for various plastic and rubber parts and applications. Glass bubble breakage: Breakage may occur if the product is severely processed. 11g/cc and good strength-to-density ratio. 30 $ 168. 00. 3M™ Glass Bubbles S38 are hollow glass spheres with a typical density of 0. To minimize breakage, minimize exposure to high shear processes and point contact shear such as gear pumps and 3-roll mills. 3M Stock. $1299 ($0. Enjoy all the same features and percs as a large bong but with a more compact design. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each product. 00 (25% off) FREE shipping. 00. 00. WickiePipes carries the best selection of bubble bongs featuring multiple pronged ice pinches, beautiful designs, and simple percolators. Cooling time reductions of up to 15–25% have been reported in production-scale use. 3M glass bubbles are being used for the first time on a massive industrial scale as insulation for NASA’s new liquid hydrogen storage tank. The base polymer resin viscosity and the level of pressure fields experienced in the process influence the survival rate of the glass bubbles. Glass bubble breakage: Breakage may occur if the product is severely processed. 3Pcs Glass Terrarium Bowl Slanted Slant Cut For Succulent Plant Container Bulk Sided Tilted Wholesale (H-6" W-7") $39. – 65 µm. Your project includes wide pieces of glass where escaping air has a long distance to travel to escape. Dimensions - 6- light clear glass bubble chandelier is 24. 이처럼,. Glassblowing. 3M glass bubble breakage may occur if the product is improperly processed. 32 g/cc and an isostatic crush strength of 2,000 psi. Surprisingly, defects in a glass will influence beer and champagne differently, with more bubbles forming in beer compared with champagne when larger imperfections are present, the researchers say. The development of wrinkles from a collapsing bubble with radius R = 1 cm on a silicone oil bath with viscosity μ ≈ 10 6 cP is illustrated in Fig. 8, GB3=95. A study of physico-mechanical properties of hollow glass bubble, jute fibre and rubber powder reinforced polypropylene compounds with and without MuCell® technology for lightweight applications. 99. 99 As low as $54. OnlyFans is the social platform revolutionizing creator and fan connections. 3M™ Glass Bubbles S60 are hollow glass microspheres with a typical density of 0. Hello everyone in this channel you will see funny videos of some games that i play! Hope you enjoy. glass bubble vector. 1 bullseyeglass. To minimize breakage, minimize exposure to high shear processes and point contact shear such as gear pumps and 3-roll mills. Table 1. theoretical collapse strength = (0. g. g. Riser buoyancy modules and wet pipe flowline insulation using the first glass bubble-filled syntactic foams were capable of surviving down to 5,000 feet below sea level. These general purpose spheres offer very good strength-to-density ratio and making them suitable for a variety of uses – coatings, adhesives, mastics, sealants and thermoset resin systems. Glass Bubbles. 3M™ Glass Bubbles HGS5000 are hollow glass spheres designed for use in completion and workover fluids, as well as in cement slurries for the oil and gas industry. Most gas bubbles are found near the surface area distributed in a ∼20 μm thick surface zone ( Figure 5. Average particle sizes range from 15-65 microns and crush strengths from 28,000 – 250 psi respectively (90% of bubbles surviving at this pressure). An icon of a block arrow pointing to the right. First, I wanted a large flush mount bubble light (not semi-flush mount, but actually flush mount), and those are virtually impossible to find. Glass Bubble Project, Cleveland, Ohio. Coat the Q-tip or cotton swab with a thin layer of oil. These glass bubbles are designed for numerous applications such as deep water syntactic foams and airless spray coatings. Remember to mix only what you will use at that time and discard. 00 $ 69. A typical bubble squeeze might be only 30 minutes long. Health and Safety Information 9. 58. 5µm) spherical glass particles with an average diameter of 15-65µm (see Figure 1 ). Conclusion. High-strength, low-density hollow glass microspheres made from soda-lime borosilicate glass. 99. 3M™ Glass. Comfortable formula. Table 4. 38 g/cc and an isostatic crush strength of 5,500 psi (pounds per square inch), HGS5000 are well-suited for use in intermediate depth wells. Glass bubble , Hollow Glass Microspheres & Floater Manufacturer - China Supply of Sinosteel glass beads,glass bubble,floater, pearl drift from Sinosteel Maanshan Institute of Mining Research Co. Material Notes: 3M™ Glass Bubbles are engineered hollow glass microspheres that are alternatives to conventional fillers and additives such as silicas, calcium carbonate, talc, clay, etc. Amazon.