HN32 Glass Microspheres - Thermal Insulation Material for Polyurethane Molding
Product Specifications
| Attribute |
Value |
| Product name |
HN32 glass microspheres |
| Application |
Aviation Materials |
| Diameter |
25-80 µm |
| Density |
0.15-1.0 g/cm³ |
| Compressive Strength |
1450 psi |
| Chemical Composition |
SiO2, Na2O, CaO, MgO, Al2O3 |
| Color |
White or transparent |
| True Density |
0.30-0.34 |
| Bulk Density |
0.15-0.18 |
| Dielectric Constant |
1.2-2.2（100MHZ） |
| Thermal Conductivity |
0.108 |
Product Description
Hollow glass microspheres provide a lightweight, thermally insulating, and cost-effective solution for various applications. This versatile material can be customized to meet specific design requirements across multiple industries including building construction, industrial insulation, and aerospace applications.
Key Applications
- Ceramic fiber insulation: Enhances thermal insulation properties while reducing weight in high-temperature applications like furnaces and kilns.
- Vacuum insulation panels: Improves thermal efficiency and reduces weight in refrigeration and building envelope applications.
Technical Specifications
| Model |
True Density (g/cm³) |
Bulk Density (g/cm³) |
Compressive Strength (psi) |
Diameter (µm) |
D10 |
D50 |
D90 |
| HN32 |
0.30-0.34 |
0.15-0.18 |
1450 |
20 |
45 |
80 |
Product Advantages
- Superior thermal insulation properties
- Significant power consumption reduction
- Enhanced product performance
- Cost-effective solution
Why Choose Our HN32 Glass Microspheres?
- Over 20 years of specialized manufacturing experience
- Ranked among largest HGB manufacturers globally
- Guaranteed product quality with verifiable density, radius, and compressive strength
- Consistent product performance and reliability
Frequently Asked Questions
Can you tell me more about package details?
We offer standard packaging options in cartons and ton bags, with dimensions varying by model and density. Customers can discuss custom packaging requirements with our team.
What are Hainuo Technology's achievements?
Founded in 2011 with government-backed research, we've achieved significant technological breakthroughs and earned national recognition including "High-Tech Enterprise" status. Our products are used in major national projects by leading Chinese energy companies.
What safety precautions should be taken when handling?
Unpack in ventilated areas with minimal vibration to control dust. Those with dust allergies should use protective eyewear and gloves. Keep packages sealed when not in use.
What are the advantages of hollow glass bubbles?
They enhance thermal insulation, fluidity, stiffness, strength endurance, and chemical resistance while reducing weight and production costs.
What are common applications?
Widely used in aerospace, rubber, plastic, marine, and construction industries as lightweight fillers that improve performance and reduce costs.
What is the density and size range?
Typical density ranges from 0.11-0.606 g/cm³ with sizes from 10-115µm, varying by application requirements.
Are they environmentally friendly?
Yes, made from natural sand, recyclable, and produced with environmental responsibility as a core principle.
Can they be used in 3D printing?
Yes, they reduce weight and improve strength in 3D printing materials while enhancing printability and reducing warping.
Can they be used in concrete?
Yes, as lightweight aggregate they improve thermal insulation, fire resistance, workability, and durability of concrete.
What is your production capacity?
Current annual capacity is 15,000 tonnes, expanding to 35,000 tonnes by 2026 with new production lines.
What are storage requirements?
Store in dry, cool, dark areas away from direct sunlight. Keep packages tightly sealed to prevent particle emission.
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