Buoyancy Material Hollow Glass Bubbles HN38 Polyurethane Molding
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
Hollow glass bubbles can be used in buoyancy materials to provide lightweight buoyancy. They are effectively applied in marine facilities including docks, pontoons, and floating platforms.
Applications
- Personal flotation devices: Used in life jackets and buoyancy aids to provide necessary buoyancy while reducing weight and improving comfort.
- Docks and floating structures: Applied in pontoons, rafts, and floating platforms to provide buoyancy while reducing weight and improving durability.
Technical Specifications
| Model |
True Density (g/cm³) |
Bulk Density (g/cm³) |
Compressive Strength (psi) |
Diameter (um) |
| HN38 |
0.36-0.40 |
0.18-0.20 |
4000 |
20-65 |
Product Advantages
Reduces shrinkage and enhances frame stability.
Why Choose Us?
- Specialized in manufacturing Hollow Glass Bubbles for over 20 years
- Ranked among the largest HGB manufacturers
- Ensured product quality with verifiable density, radius, and compressive strength
- Stable product performance with reliability as our priority
Frequently Asked Questions
Can you tell me more about package details of Hainuo HGBs?
We offer package options of cartons and ton bags, with dimensions varying based on model and density. Customers can choose preferred package plans by contacting our team in advance.
For special requirements, customers can contact our team for customized package solutions.
What are the advantages of using hollow glass bubbles?
Hollow glass bubbles enhance thermal insulation, fluidity & stiffness while improving strength endurance and chemical resistance.
What are some common applications of hollow glass bubbles?
Widely used in aerospace, rubber, plastic, marine and construction industries as lightweight fillers to improve performance and reduce production costs.
What is the range of Hainuo HGBs density and size?
Density ranges from 0.11-0.606 g/cm³ with sizes from 10um to 115um, varying by application.
Are Hollow Glass Bubbles environmentally friendly?
Yes, made from natural sand and recyclable, causing no side effects to users or environment.
Can Hollow Glass Bubbles be used in 3D Printing?
Yes, they reduce weight and improve strength in 3D printing materials while enhancing printability.
Can Hollow Glass Bubbles be used in Concrete?
Yes, as lightweight aggregate to reduce weight while improving thermal insulation and fire resistance.
What is Hainuo's annual production capacity?
Currently 15,000 tonnes annually, expanding to over 35,000 tonnes by 2026.
What are storage requirements for Hollow Glass Bubbles?
Store in dry, cool areas away from direct sunlight with packages tightly sealed to prevent particle emission.
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