4000 Psi HN38 Glass Micro Spheres Syntactic Foam Thermoplastic
Product Specifications
| Attribute |
Value |
| Product name |
HN38 glass microspheres |
| Application |
Aviation Materials |
| Diameter |
20-75 µm |
| Density |
0.15-1.0 g/cm³ |
| Compressive Strength |
4000 psi |
| Chemical Composition |
SiO2, Na2O, CaO, MgO, Al2O3 |
| Color |
White or transparent |
| True Density |
0.36-0.40 |
| Bulk Density |
0.18-0.20 |
| Dielectric Constant |
1.2-2.2（100MHZ） |
| Thermal Conductivity |
0.127 |
Product Description
Tooling Board, Hollow Glass Bubble, HN38, Thermoplastic, Synthetic Foam
Hollow Glass Bubble Description
Tooling board is a material used in the manufacture of prototypes, molds, and other composite parts. The use of hollow glass bubbles enhances thermal insulation properties, improves energy efficiency, and reduces the risk of warping or distortion during manufacturing.
Hollow Glass Bubbles Applications
- Prototyping: Provides lightweight and durable material that can be machined into desired forms
- Molds: Withstands pressure and heat of molding processes
- Jigs and fixtures: Lightweight option that can be easily machined and shaped
Technical Specifications
| Model |
True Density (g/cm³) |
Bulk Density (g/cm³) |
Compressive Strength (psi) |
Diameter (µm) |
D10 |
D50 |
D90 |
| HN38 |
0.36-0.40 |
0.18-0.20 |
4000 |
20-75 |
20 |
40 |
65 |
Product Advantages
Lightweight, Wear Resistant, Enhanced Mechanical Performance
Why Choose Us?
- Specialized in manufacturing Hollow Glass Bubbles for over 20 years
- Ranked among largest HGB manufacturers globally
- Guaranteed product quality with comprehensive testing available
- Stable product performance with reliability as top priority
Frequently Asked Questions
Can you tell me more about package details of Hainuo HGBs?
We offer cartoon and ton bag packaging options with dimensions varying by model and density. Customers can discuss preferred packaging plans with our team.
Custom packaging solutions are available for specialized application requirements.
What is Hainuo Technology's history and achievements?
Founded in 2011 with research backing from government institutions, we've achieved significant technological breakthroughs and rank among the most competitive global manufacturers.
Awarded "High-Tech Enterprise" and "Outstanding Enterprise in Shanxi province" honors, with products used in major national oil and ocean projects.
What precautions should be taken when unpackaging HGBs?
Unpackage in ventilated areas with minimal vibration to control dust. Those with dust allergies should use protective equipment.
What are the advantages of hollow glass bubbles?
Enhances 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 to improve performance and reduce costs.
What is the density and size range of Hainuo HGBs?
Typical density range: 0.11-0.606 g/cm³; Size range: 10-115 µm.
Are Hollow Glass Bubbles environmentally friendly?
Yes, made from natural sand, recyclable, and produced with environmental responsibility as a core principle.
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 reduce weight while improving thermal insulation, fire resistance, workability and durability.
What is Hainuo's annual production capacity?
Current capacity: 15,000 tonnes/year, expanding to 35,000 tonnes/year by 2026 with new production lines.
How should Hollow Glass Bubbles be stored?
Store in dry, cool, dark areas away from moisture and sunlight. Keep packages tightly sealed to prevent particle emission.
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