1. Product Description
Hollow glass microspheres, a kind of ultra-light inorganic and non-metallic powder, have been developed into a new type of high performance lightweight material and widely applied in recent years. It will be the main direction for new-type compound materials in the 21st century.
Its true density is 0.12-0.70 g/cm 3 ; particle size is 2-120μm; Due to its excellent advantages of light weight, low density, higher compressive strength, improved dispersion and liquidity, it can be used as filler in painting, rubber, plastics, FRP,artificial stone, putty, exploitation of oil and gas and other materials.
2. Physical Index of Hollow Glass Bubbles
| True Density | 0.12-0.70g/cm3 |
| Bulk Density | 0.10-0.40g/cm3 |
| Crush Strength | 4-125Mpa/500-18000Psi |
| Survival | Min 90% |
| Flotation | Min 92% |
| Moisture | Max 0.5% |
| Particle Size | D50:20-70um |
| Max. Particle Size: | 200um |
| Melting Point | 1600°C |
3. Specification of Hollow Glass Microsphere
| ypes | True Density
(g/cm3) | Bulk Density
(g/cm3) | Compressive
Strength (Mpa/PSI) | Particle size | Application |
| D50 (μm) | D90 (μm) |
| H20 | 0.20-0.22 | 0.10-0.12 | 4/500 | 65 | 110 | Epoxy Tooling board, Floating material,Emulsion explosive, Car repair putty, Paints |
| H22 | 0.21-0.24 | 0.11-0.13 | 5/750 | 65 | 100 | Epoxy Tooling board, Paints |
| H25 | 0.24-0.27 | 0.13-0.15 | 5/750 | 65 | 100 | Paints, Sealants, Buoyancy materials |
| H28 | 0.27-0.30 | 0.14-0.17 | 10/1500 | 55 | 85 | Cementing slurry and Drilling fluids |
| H30 | 0.29-0.32 | 0.15-0.18 | 10/1500 | 55 | 85 | Thermal-insulation paints.Buoyancy materials |
| H32 | 0.31-0.33 | 0.17-0.19 | 14/2000 | 45 | 80 | Paints,SMC/BMC, Sealants, Putty |
| H35 | 0.33-0.37 | 0.18-0.21 | 21/3000 | 40 | 70 | Cementing slurry & Drilling fluids |
| H38 | 0.37-0.39 | 0.19-0.22 | 38/5500 | 40 | 65 | Paints,SMC/BMC, PVC Plastisils,
Buoyancy materials |
| H40 | 0.39-0.42 | 0.19-0.23 | 28/4000 | 40 | 70 | Cementing slurry, Drilling fluids, Paints |
| H42 | 0.41-0.44 | 0.21-0.24 | 55/8000 | 40 | 60 | Cementing slurry & Drilling fluids |
| H46 | 0.44-0.48 | 0.23-0.26 | 41/6000 | 40 | 70 | Cementing slurry & Drilling fluids,
SMC/BMC |
| H50 | 0.48-0.52 | 0.25-0.27 | 55/8000 | 40 | 60 | Cementing slurry& drilling fluids |
| H55 | 0.53-0.57 | 0.27-0.29 | 69/10000 | 40 | 60 | Cementing slurry & drilling fluids |
| H60 | 0.58-0.62 | 0.29-0.34 | 83/12000 | 40 | 65 | Cementing slurry & drilling fluids |
4. Properties of Hollow Glass Microsphere Bubble
1)Color and shape: pure white flowable powder.
2) Low density, reducing the products’ basic weight greatly after filling.
3) High loading volume, which can substitute and save more resins, reducing cost accordingly.
4) High dispersion and good fluidity.
5) Dimensional stability, reduced warpage and shrinkage.
6) Heat insulation, sound insulation, mostly used as heat insulation paints and coatings, automotive sealants.
7)Corrosion resistant, fire resistant, non-conducting.
8)Stable chemical properties.
5. Application of Hollow Glass Microsphere
Hollow glass bubbles can be used in marine resource development, aerospace, vehicle lightweighting, 5G communications, oil and gas exploitation, adhesives, coatings, wood substitutes, rubber, sports equipment, resin grinding wheels, emulsion explosives, artificial stone and other industries.
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Lightweight Agent Hollow Glass Bubble Microspheres For Buoyancy Modules Images
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