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Hollow Glass Microspheres for variety of polymers& PU Foam

Product Name:
Product catalogue:Glass Bubble
Package:25kg paper bags inner with PE bags or AS CUSTOMER REQUIER
Delivery Time:15 Days - 30Days
Export Markets:North America, South America, Eastern Europe,Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
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Hollow Glass Microspheres

1. Description
Hollow glass microspheres ( also known as glass bubbles ) are hollow glass spheres made of chemically stable Soda-lime-borosilicate glass with thin walls(wall thickness 1~3.5μm). We have several grades available with true density ranging from 0.20g/cc~0.60g/cc, Sinosteel hollow glass microspheres can be used as lightweight functional additives for Composites,Thermal insulation paints/coatings, Sealant/adhesives, Low density cementing slurries and many more applications with very competitive quality and price.
2.True Density
 Product Requirement
True Density (g/cc)
Minimum Maximum
H20 0.20 0.18 0.22
H25 0.25 0.23 0.27
H32 0.32 0.30 0.34
H38H 0.38 0.36 0.40
H40 0.40 0.38 0.42
H46 0.46 0.44 0.48
H60 0.60 0.57 0.63
H60S 0.60 0.57 0.63
3.Nitrogen Isostatic Crush Strength
 Product Test Pressure
Target Fractional
Minimum Fractional
H20 3.5/500 90% 80%
H25 5/750 90% 80%
H32 14/2000 90% 80%
H38H 38/5500 90% 80%
H40 28/4000 90% 80%
H46 41/6000 90% 80%
H60 55/8000 90% 80%
H60S 82/12000 90% 80%
4.Packing & Shipping
Package size: 50X50X50 cm
Package: carton bag or jumbo bag with pallet fixed
Delivery: Lead time for batch orders 30 days

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If you have any enquiry about quotation or cooperation,please feel free to email us at or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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