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HN38 Hollow Glass Microspheres for Aerospace Adhesives 20-75µm

HN38 Hollow Glass Microspheres for Aerospace Adhesives 20-75µm

High Tensile Strength glass bubbles microspheres

hollow glass bubbles microspheres

High Tensile Strength hollow glass bubbles

Place of Origin:

SHANXI CHINA

Brand Name:

HAINUO

Model Number:

HN38

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Product Details
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 Condictivity:
0.127
Payment & Shipping Terms
Product Description
High Tensile Strength Hollow Glass Bubbles Microspheres for Aerospace Adhesives
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
HN38 hollow glass microspheres are engineered for aerospace adhesives, thermal insulation materials, and tooling board applications, offering superior performance characteristics.
Key Benefits
  • Improves curing time of aerospace adhesives
  • Enhances mechanical properties including tensile strength and impact resistance
  • Lightweight solution for various industrial applications
  • Reduces shrinkage and organic volatilization
HN38 Hollow Glass Microspheres for Aerospace Adhesives 20-75µm 0
Primary Applications
  • Cryogenic insulation: Provides lightweight thermal insulation for low-temperature environments
  • Aircraft interiors: Used in seat cushions and insulation materials
  • Aerogel composites: Enhances thermal insulation and acoustic damping properties
Technical Specifications
Model True Density (g/cm³) Bulk Density (g/cm³) Compressive Strength (psi) Diameter (um) D10 D50 D90
HN38 0.36-0.40 0.18-0.20 4000 20-75 20 40 65
Why Choose Hainuo Hollow Glass Bubbles?
  • Specialized manufacturer with over 20 years of experience
  • Ranked among the largest HGB manufacturers globally
  • Guaranteed product quality with comprehensive testing capabilities
  • Consistent product performance and reliability
Frequently Asked Questions
What packaging options are available for HGBs?
We offer standard packaging in cartons and ton bags, with dimensions varying by product model and density. Custom packaging solutions are available upon request through our technical team.
What is Hainuo's production capacity?
Current annual production capacity is 15,000 tonnes, with expansion plans to reach 35,000 tonnes by 2026 through our second production line project.
Are hollow glass bubbles environmentally friendly?
Yes, our HGBs are made from natural sand and are fully recyclable. Hainuo Technology maintains strict environmental standards throughout production.
What are the storage requirements for HGBs?
Store in a dry, cool area away from direct sunlight. Keep packages tightly sealed to prevent particle emission and moisture absorption.
Can HGBs be used in 3D printing applications?
Yes, they can be added to 3D printing materials to reduce weight, improve strength, and enhance printability while minimizing warping.

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