750 psi Artificial Stone Glass Bubbles Microspheres HN25 Tooling Board
Product Specifications
| Attribute |
Value |
| Product name |
HN25 glass microspheres |
| Application |
Aviation Materials |
| Diameter |
25-90 µm |
| Density |
0.15-1.0 g/cm³ |
| Compressive Strength |
750 psi |
| Chemical Composition |
SiO2, Na2O, CaO, MgO, Al2O3 |
| Color |
White or transparent |
| True Density |
0.23-0.27 |
| Bulk Density |
0.12-0.15 |
| Dielectric Constant |
1.2-2.2（100MHZ） |
| Thermal Conductivity |
0.085 |
Hollow Glass Bubble Description
Hollow glass bubble artificial stone is a composite material made by incorporating hollow glass bubbles into a resin-based matrix. These bubbles serve as filler material to provide lightweight, high-strength, and thermally insulating properties.
Key Features
- High strength: Provides excellent compressive strength for demanding applications
- Design flexibility: Can be cast into various shapes and sizes for architectural applications
- Easy to grind and polish
- Lightweight with excellent thermal properties
- Resistant to overheating and bursting
Technical Specifications
| Model |
True Density (g/cm³) |
Bulk Density (g/cm³) |
Compressive Strength (psi) |
Diameter (µm) |
| HN42 |
0.40-0.44 |
0.20-0.23 |
2900 |
20 | 40 | 75 |
Why Choose Our Hollow Glass Bubbles?
- Specialized in manufacturing Hollow Glass Bubbles for over 20 years
- Ranked among the largest HGB manufacturers globally
- Guaranteed product quality with consistent density, radius, and compressive strength
- Stable product performance with reliability as our top priority
Frequently Asked Questions
What packaging options are available for Hainuo HGBs?
We offer carton and ton bag packaging options. Dimensions vary based on model and density. Contact our team for customized packaging solutions.
What are Hainuo Technology's achievements in the HGB field?
Founded in 2011 with government-backed research, we've achieved significant technological breakthroughs. Recognized as "High-Tech Enterprise" and "Outstanding Enterprise in Shanxi province," our products are used in major national projects by CNPC and CNOOC.
What safety precautions should be taken when handling HGBs?
Unpackage in well-ventilated areas with minimal vibration. Use protective gear (gloves, eyewear) if sensitive to dust. Keep packages sealed when not in use.
What are the advantages of using hollow glass bubbles?
They enhance thermal insulation, fluidity, stiffness, strength endurance, and chemical resistance while reducing weight.
What industries use hollow glass bubbles?
Widely used in aerospace, rubber, plastic, marine, and construction industries as lightweight fillers to improve performance and reduce costs.
What is the density and size range of Hainuo HGBs?
Density ranges from 0.11-0.606 g/cm³ with sizes from 10-115µm, varying by application requirements.
Are hollow glass bubbles environmentally friendly?
Yes, made from natural sand, they're recyclable and cause no environmental harm. We maintain eco-friendly production standards.
Can HGBs be used in 3D printing?
Yes, they reduce weight, improve strength, enhance printability, and minimize warping in 3D printing materials.
Can HGBs be used in concrete?
Yes, they serve as lightweight aggregate to reduce weight while improving thermal insulation, fire resistance, workability, and durability.
What is Hainuo's production capacity?
Current annual capacity is 15,000 tonnes, expanding to over 35,000 tonnes by 2026 with our second production line.
How should HGBs be stored?
Store in dry, cool, dark areas away from moisture and direct sunlight. Keep packages tightly sealed to prevent particle emission.
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