1. Product Description
Hollow glass microsphere is a kind of hollow sphere, a kind of ultralight inorganic and nonmetallic powder materials. It’s micron-size and looks like foam bubbles with the microscope, also known as glass bubble and hollow glass microsphere.
It has the characteristics of light weight, large volume, low thermal conductivity, high compressive strength, and good fluidity. So it’s a good alternative filler instead of conventional fillers, such as talc, calcium carbonate, silicas, etc.
Our products have H series, M series and S series.
2. Main Parameters of Hollow Glass Sphere
| Appearance | White flowable powder |
| Chemicals | Borosilicate glass |
| 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. Main Models and Specification of Hollow Glass Microsphere
| Types | True Density
(g/cm3) | Bulk Density
(g/cm3) | Compressive
Strength (Mpa/PSI) | Particle size |
| D50 (μm) | D90 (μm) |
| H20 | 0.20-0.22 | 0.10-0.12 | 4/500 | 65 | 110 |
| H22 | 0.21-0.24 | 0.11-0.13 | 5/750 | 65 | 100 |
| H25 | 0.24-0.27 | 0.13-0.15 | 5/750 | 65 | 100 |
| H28 | 0.27-0.30 | 0.14-0.17 | 10/1500 | 55 | 85 |
| H30 | 0.29-0.32 | 0.15-0.18 | 10/1500 | 55 | 85 |
| H32 | 0.31-0.33 | 0.17-0.19 | 14/2000 | 45 | 80 |
| H35 | 0.33-0.37 | 0.18-0.21 | 21/3000 | 40 | 70 |
| H38 | 0.37-0.39 | 0.19-0.22 | 38/5500 | 40 | 65 |
| H40 | 0.39-0.42 | 0.19-0.23 | 28/4000 | 40 | 70 |
| H42 | 0.41-0.44 | 0.21-0.24 | 55/8000 | 40 | 60 |
| H46 | 0.44-0.48 | 0.23-0.26 | 41/6000 | 40 | 70 |
| H50 | 0.48-0.52 | 0.25-0.27 | 55/8000 | 40 | 60 |
| H55 | 0.53-0.57 | 0.27-0.29 | 69/10000 | 40 | 60 |
| H60 | 0.58-0.62 | 0.29-0.34 | 83/12000 | 40 | 65 |
4. Advantages of Hollow Glass Bubbles
1)Light specific gravity and large volume
2)High disperion and good fluidity
3)Heat insulation, sound insulation
4)Low rate of absorbing oil
5. Application of HGS
1)Building materials in the field using its thermal insulation effect, mainly for reflective insulation coating, putty, adhesives,etc.;
2)Composite materials primarily low density and ease of use of its processing characteristics, as to reduce the material, reducing its weight components to improve component quality;
3)Aerospace navigation using its light weight, high compressive strength characteristics of the production of lightweight components;
4)Oil and gas exploration in the field of drilling fluid used as a low-density and low-density cement slurry.
5)Emulsion Explosives
6)Marine Buoyancy
Product Tags:
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Min 92% H42 Hollow Glass Microspheres Bubble For Oilfield Cementing Mud Images
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