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| Thickness | in (mm) | 1/2" to 2 -1/2" (13mm to 65 mm) |
| Length and Width | in (mm) | According to actual situation |
| Packing | Carton or By Roll |




| Standard Specification of Sheet | |||||
| Thickness | 10mm | 15mm | 20mm | 25mm | 30mm |
| Length | 16m | 16m | 8m | 8m | 8m |
| Width | 1m ,1.2m ,1.5m | ||||
| Item | Unit | Specification | Standard | |
| Density | Kg/m3 | 50-55 | GB/T 6343 | |
| Temperature | C | -40 -110C | GB/T 17794 | |
| Flammability | Class-0 | BS476Part7&Part6 | ||
| Oxygen index | % | ≧40 | GB/T 2406 | |
| SDR | ≦65 | GB/T 8627-1999 | ||
| Conductivity factor -20C 0C 40C | W/M•K | ≦0.031 ≦0.034 ≦0.036 | GB/T 10294 | |
| Water vapor permeability | Factor | ≧1.0×106 | GB/T 17146-1997 | |
| Coefficient | g/(m.s.pa) | ≦1.96×10-11 | ||
| Water absorption ratio in vacuum | % | ≦10 | GB/T 17794-2008 | |
| Dimension stability 105±3C ,7d | % | ≦10 | GB/T 8811 | |
| Crack resistance | N/cm | ≧2.5 | GB/T 10808 | |
| Compression resilience ratio Compression ratio 50% Compression time 72h | % | ≧70 | GB/T 6669 | |
| Anti-ozone | Not cracking | GB/T 7762 | ||
| Aging resistance | Slightly crumpling ,no cracks ,no pin holes ,not deforming | GB/T 16259 | ||

At HUAMEI we have worked with a number of industries, in the CN and internationally, supplying the products and services needed for specific applications. That’s why our range of sponge rubber products has been used in many applications, some of which include:
Defence industry
Aerospace industry
Motorsport industry
Marine industry
Medical industry

Huamei Energy-saving Technology Group Co.,LTD is a professional manufacturer since 1990, production and sales of rubber foam insulation ,glass wool, rock wool .Huamei products are widely used in Beijing Olympic National Stadium Bird’s Nest, Shanghai World Expo, and other famous Projects, and to be exported to Europe, South America,Australia, Southeast Asia,Africa ,and other countries.








1.Production---We are professional manufacturer
2.Technology--- Adopt international advanced technology,high product purity.
3.Service---Any inquires will be replied within 24 hours. Perfessional sale and technical term.Long export and market experience.
4.Quality---We have passed FM Approved,CE certificate, ASTM, BS 476, ISO9001, ISO14001, ISO18001,Test report and Certification.
1. Are you manufacturer of trade company?
We are manufacturer of rubber foam and glass wool, More than 20 Years
2. What's the MOQ. Can i get a sample of free?
We can offer sample of free, Pls bear the freight.
The MOQ, According to the actual situation
3. How long we can get the goods?
Produce and loading within 3-5 days, When we got the payment.
4. Can we do the OEM , Or do the Huamei Brand?
We will offer the OEM.
Do the Huamei brand, we can offer long-term support.
New products from manufacturers at wholesale prices