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Ultra-lightweight High Strength Hollow Glass Microspheres for Thermal Insulation in Modified Plastics

Product Details

Place of Origin: Shandong, China

Brand Name: Zhongren

Certification: ISO

Model Number: ZR-L,ZR-S

Payment & Shipping Terms

Minimum Order Quantity: 1 Ton

Price: 1 - 9 kilograms/ 9USD

Packaging Details: Carton packaging + pallet (general for export) Small bag packaging + pallet

Delivery Time: 7-15 work days

Payment Terms: L/C,T/T

Supply Ability: 1 ton 7 work days

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Product Details
Highlight:

Ultra-lightweight Hollow Glass Microspheres

,

High Strength Glass Microbeads

,

Thermal Insulation Micro Glass Beads

Product Name:
Hollow Glass Microspheres
Grade Standard:
Industrial Grade
Application:
Automotive Lightweighting Home Appliance Housing Rail Transit
Usage:
Modified Plastic
Keywords:
Improve Thermal Insulation Performance
Purity:
99%
Package:
Carton Packaging + Pallet (general For Export)
Color:
White Color
Apperance:
White Flowing Powder, Microscopic Transparent Hollow Spheres
MAQ:
1 Ton
Advantages:
Energy Saving And Environmental Protection
Payment:
T/T L/C
Product Name:
Hollow Glass Microspheres
Grade Standard:
Industrial Grade
Application:
Automotive Lightweighting Home Appliance Housing Rail Transit
Usage:
Modified Plastic
Keywords:
Improve Thermal Insulation Performance
Purity:
99%
Package:
Carton Packaging + Pallet (general For Export)
Color:
White Color
Apperance:
White Flowing Powder, Microscopic Transparent Hollow Spheres
MAQ:
1 Ton
Advantages:
Energy Saving And Environmental Protection
Payment:
T/T L/C
Product Description
Hollow Glass Spheres Filler for Modified Plastic Automotive Lightweighting Home Appliance Housing Rail Transit
Micro Glass Beads: Protective Thermal Insulation Solution

Hollow glass microspheres are a high-end, high-performance micron-sized hollow spherical material widely used across various industries. Manufactured from premium inorganic raw materials through advanced processes including precise proportioning, high-temperature melting, spray granulation, sintering, classification screening, and surface modification, they offer exceptional properties including light weight, high strength, low thermal conductivity, chemical stability, and excellent fluidity.

Our company has extensive experience in the new materials field, with mature production processes, strict quality control systems, and professional R&D teams. We provide hollow glass microspheres with complete specifications, stable quality, and superior performance, along with customized production solutions. Our commitment to quality, service, and cost-effectiveness has earned us the long-term trust of domestic and international customers.

Hollow glass microspheres manufacturing process Hollow glass microspheres close-up view Hollow glass microspheres industrial application Hollow glass microspheres technical specifications
Technical Specifications
Physical Parameters
Project Indicator Range
AppearanceWhite flowing powder, microscopic transparent hollow spheres
True density0.13-0.80 g/cm³
Bulk density0.08-0.35 g/cm³
Compressive strength4-207 MPa / 500-30000 psi
Particle size D5010-80 μm
Particle size D9015-120 μm
Thermal conductivity0.038-0.060 W/m*K
Melting point1200-1450℃
Softening point600-650℃
pH valueAlkalescence 7-9
Moisture content≤0.5%
LiquidityExcellent, easy to disperse, easy to pump
Chemical Composition
Component Name Chemical Formula Content Percentage (wt%) Notes
Silicon dioxideSiO₂92.0% - 99.0%Core component, determining chemical stability, high-temperature resistance, insulation properties
Boron trioxideB₂O₃0.5% - 3.0%Improving glass strength, heat resistance, fluidity during melting
Calcium oxideCaO0.3% - 2.0%Helping to melt, stabilizing glass structure
Magnesium oxideMgO0.2% - 1.5%Enhancing water resistance, mechanical strength
Sodium oxideNa₂O0.1% - 1.0%Melt regulator, adjusting melting temperature
Potassium oxideK₂O0.1% - 0.8%Assisting in melting, improving processing performance
Aluminum oxideAl₂O₃0.1% - 1.2%Increasing hardness, acid and alkali resistance, weather resistance
Other trace elements--≤0.5%Trace impurities such as iron, titanium, zinc, with controllable low residue
Product Series Specifications
ZR-L Series (Low Density)
Specification True Density (g/cm³) Bulk Density (g/cm³) Compressive Strength MPa/psi D50 (μm) D90 (μm) Application
ZR-L150.13-0.170.08-0.094/50080120Daimo, solid buoyancy material, emulsified explosive, automotive repair putty, coating
ZR-L200.18-0.220.10-0.124/50065110Daimo, solid buoyancy material, emulsified explosive, automotive repair putty, coating
ZR-L250.23-0.270.13-0.155/75065100Heat insulation coating, adhesive, solid buoyancy material
ZR-L300.28-0.320.15-0.1810/15005585Heat insulation coating, solid buoyancy material
ZR-L320.30-0.340.17-0.1914/20004580Coating, SMC/BMC, adhesive, putty
ZR-L350.33-0.370.18-0.2121/30004070Oilfield cement slurry, low-density drilling fluid
ZR-L380.36-0.400.19-0.2238/55004065Coating, SMC/BMC, primer, solid buoyancy material
ZR-L400.38-0.420.19-0.2328/40004070Oilfield cement slurry, low-density drilling fluid, heat insulation coating
ZR-L420.40-0.440.21-0.2455/80004060Oilfield cement slurry, low-density drilling fluid
ZR-L460.44-0.480.23-0.2641/60004070Oilfield cement slurry, low-density drilling fluid, SMC/EMC
ZR-L500.48-0.520.25-0.2755/80004070Oilfield cement slurry, low-density drilling fluid
ZR-L600.58-0.620.29-0.3483/120004065Oilfield cement slurry, low-density drilling fluid
ZR-L60a0.58-0.630.30-0.34124/180003555Automotive modified plastic, oilfield cement slurry

L type features low density and is commonly used in thermal insulation coatings, as well as for reducing weight and density of composite materials.

ZR-S Series (High Strength)
Specification True Density (g/cm³) Bulk Density (g/cm³) Compressive Strength MPa/psi D50 (μm) D90 (μm) Application
ZR-S200.18-0.220.10-0.127/10006090Daimo, solid buoyancy material, emulsified explosive, automotive repair putty, coating
ZR-S220.20-0.240.11-0.138/12004570Daimo, solid buoyancy material, adhesive, automotive repair putty, coating
ZR-S280.27-0.300.15-0.1728/40004565Daimo, solid buoyancy material, adhesive, automotive repair putty, coating
ZR-S380.36-0.400.19-0.2238/55003050Composite circuit board, SMC, adhesive
ZR-S420.40-0.440.21-0.2455/80002540Rubber, shoe material, adhesive, SMC, oilfield cement slurry
ZR-S460.44-0.500.22-0.25110/1600020305G communication materials, PCB circuit board, SMC, plastic
ZR-S600.58-0.620.29-0.33193/2800016255G communication materials, PCB circuit board, SMC, plastic
ZR-S650.63-0.670.30-0.33207/3000013205G communication materials, PCB circuit board, SMC, plastic
ZR-S700.75-0.800.33-0.35207/3000010155G communication materials, PCB circuit board, SMC, plastic

S series represents high-strength applications.

Product Features
  • Ultra-lightweight: Density only 0.13-0.80 g/cm³, maximum weight reduction up to 20-30%
  • High strength: Maximum pressure resistance is 30,000 psi
  • Excellent heat insulation: Hollow and sealed structure, low thermal conductivity, outstanding insulation/cold preservation/fire prevention effects
  • Excellent fluidity: Perfectly spherical shape, easy to disperse, reduce viscosity and easy to process
  • Chemical stability: Inert, resistant to acids and alkalis, oil-resistant, non-absorbent, non-corrosive
  • Low oil absorption rate: Saves resin/adhesive, reduces formulation cost
  • Dimensional stability: Reduces shrinkage, warping, cracking and improves product precision
  • Electric insulation / low dielectric: Suitable for 5G, PCB, high-frequency communication materials
  • Environmentally friendly and non-toxic: Inorganic material, no VOC, complies with export environmental protection requirements
Hollow glass microspheres feature demonstration
Product Applications
Oil and Gas Fields
Low-density cement slurry for well cementing, low-density drilling fluid, deep well/leak-prone well cementing
Advantages: Reduced density, maintained strength, good fluidity, leakage prevention, improved cementing quality
Paint Industry
Reflective insulation paint, thermal insulation paint, industrial anti-corrosion paint, ship/tank body anti-corrosion
Advantages: Heat insulation and cooling, weight reduction, waterproof and anti-fouling, weather resistance, enhanced paint film hardness
Adhesives / Resins / Composite Materials
Epoxy, silicone, acrylic, polyurethane, SMC/BMC, EMC
Advantages: Weight reduction, cost reduction, increased filling volume, enhanced temperature resistance/insulation/dimensional stability
Wood Substitutes / Model Materials
Automobile models, shoe molds, tire molds, architectural models, sculptures, work-in-progress panels
Advantages: Adjustable density, easy processing, dimensional stability, impact resistance, low shrinkage
Plastic Modification / Lightweighting
Automobile parts, home appliance shells, rail transit, high-end polyolefins/engineering plastics
Advantages: Weight reduction, enhanced rigidity, reduced shrinkage, heat insulation and sound insulation, flame retardancy, cost reduction
Rubber Elastomers
Footwear materials, cable sheaths, sealing rings, tire insulation layers, latex pillows/mattresses
Advantages: Lightweight, good rebound, flame retardant, tear-resistant, heat insulation and explosion-proof
5G Communications / Electronics
PCB circuit boards, high-frequency materials, packaging materials, antenna substrates
Advantages: Low dielectric, low loss, high strength, high temperature resistance, dimensional stability
Other High-End Applications
Emulsified explosives (sensitization/density adjustment), solid buoyancy materials, aerospace, marine engineering, cosmetic fillers
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