Aerospace Adhesives HN32 Hollow Glass Bubbles Thermal Insulation Materials
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 bubbles provide aerospace applications with lightweight, high-strength thermal insulation materials that can be customized to specific design requirements. This cost-effective and environmentally sustainable solution is ideal for aircraft, spacecraft, satellite construction, and launch vehicles.
Key Applications
- Acoustic insulation: Used as filler in materials that reduce noise and vibration in aircraft and spacecraft, creating a more comfortable environment.
- Lightweight composite materials: Used as filler in aerospace adhesives to create high-strength composites for bonding aircraft components.
Technical Specifications
| Model |
True Density (g/cm³) |
Bulk Density (g/cm³) |
Compressive Strength (psi) |
Diameter (um) |
D10 |
D50 |
D90 |
| HN32 |
0.30-0.34 |
0.15-0.18 |
1450 |
20 |
45 |
80 |
Product Advantages
Light Weight
Enhance Stability
Anti Corrosion
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 verifiable density, radius, and compressive strength
- Consistent product performance and reliability
Frequently Asked Questions
Can you tell me more about package details of Hainuo HGBs?
We offer carton and ton bag packaging options with dimensions varying by model and density. Customers can contact our team to discuss custom packaging solutions.
What is Hainuo Technology's history and achievements?
Founded in 2011 with government-backed research, Hainuo Technology has achieved significant breakthroughs and been recognized as a "High-Tech Enterprise" and "Outstanding Enterprise in Shanxi province." Our products are used in major national projects by CNPC and CNOOC.
What precautions should be taken when handling HGBs?
Unpackage in ventilated areas with minimal vibration. Use protective gear (gloves, eyewear) if dust-sensitive. 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.
What are common applications of hollow glass bubbles?
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 of Hainuo HGBs?
Density ranges from 0.11-0.606 g/cm³ with sizes from 10-115µm, varying by application.
Are Hollow Glass Bubbles environmentally friendly?
Yes, made from natural sand, recyclable, and produced with environmental responsibility throughout our processes.
Can Hollow Glass Bubbles be used in 3D Printing?
Yes, they reduce weight and improve strength in 3D printing materials while enhancing printability and reducing warping.
Can Hollow Glass Bubbles be used in Concrete?
Yes, as lightweight aggregate they improve thermal insulation, fire resistance, workability, and durability of concrete.
What is Hainuo's annual production capacity?
Currently 15,000 tonnes annually, expanding to over 35,000 tonnes by 2026 with our second production line.
How should Hollow Glass Bubbles be stored?
Store in cool, dry, dark areas away from moisture and sunlight. Keep packages tightly sealed to prevent particle emission.
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