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OMEFLEX rubber foam insulation—sheet products

OMEFLEX rubber foam insulation used butyronitrile rubber and polyvinyl chloride NBR/PVC with best performance as main raw material and other high quality auxiliary material through foaming and other special procedure。This product has perfect performances such as soft anti-bending cold-resistant heat-resisting fire-blocking water-proof low thermal conductivity and sound-absorption。 It can be widely used for every kind of cold/hot mediumpiping and containers in central control air condition construction chemical industry medicine vehicle electrical

apparatus and other fields to reduce cold/thermal loss. OMEFLEX rubber foam insulation was deeply loved by themasses of customers.

Product Technical Indicators
Item specification standard
type of material Flexible rubber foam material GB/T 17794-2008
appearance black  
foam  structure Completely closed bubble  
kg/m3 Density ≤95 GB/T 6343
Oxygen index ≥32% GB/T 2406
SDR ≤75 GB/T 8627
water vapor permeability ≤0.034
-20℃time  ≤0.031 
40℃time  ≤0.036
GB/T 10294
water vapor permeability ≤2.8×10-11 GB/T 17146-1997
coefficient
factor

≥7.0×103

% water absorption ratio in vacuum

≤10

GB/T 17794-2008
Flammability Combustible B1 GB 8624-1997
When used in the construction field, it is not less than C 
When the product is used in the construction
sector, the level is not  less than C-class
GB 8624-2006
Toxicity of combustion and tobacco production Toxicity of smoke from burning ZA3 Safety grade  Security level GA 132-1996
dimensional stability % 105℃±3℃,7d    Dimension stability ≤10 GB 8811
N/cm Crack resistance ≥2.5 GB/T 10808
Compression resilience ratio, Compression ratio ≥70 GB/T 6669-2001
Anti-ozone
202mPa,200h anti-ozone
Not cracking GB/T 7762
150h Aging resistance slightly crumpling ,no cracks , no
pin holes , not deforming
GB/T 16259
Temperature range -40-110 GB/T 17794
Products Specifications
Thickness 10mm 15mm 20mm 25mm 30mm
m/piece 16m 16m 8m 8m 8m

Notes: 1. The above specifications are those in common use; special specifications are available at customers' request.
2. Rubber foam sheet and tube are normally in black. Other colors are available at customers' request.
3. It is recommended to use sheet where outer diameter of tube exceeds 89mm.
4. Multilayer packing is recommended where the thickness of heat insulation materials needs to be greater than 25 mm.
5. The width of the sheet are available at customers' request for a scope of 1m to 2m.

Comparison of thickness required for installation
Environment condition Insulation pipe size Suitable thickness (millimeter) under pipe temperature
Temperature Relative humidity inch Millimeter 13℃ 7℃ 3℃ -15℃
26.5℃ 50% 3/8-3 10-76 10 10 10 15
3-5 76-127 15 15 15 15
5-10 127-254 15 15 15 20
29℃ 70% 3/8-3 10-76 10 15 15 20
3-5 76-127 15 15 15 20
32℃ 80% 5-10 127-254 15 15 15 25
3/8-5 10-127 15 15 20 20
5-10 127-254 20 25 25 35
32℃ 85% 3/8-1  1/2 10-38 20 25 30 45
85% 38-76 20 30 30 50
3-5 76-127 20 30 35 60
5-10 127-254 25 30 40 60
>10 >254 30 40 45 70
32℃ 90% 1/8-1/2 3-13 25 32 35 45
90% 13-64 30 35 45 60
2  1/2-5 64-127 30 35 45 65
5-10 127-254 35 45 50 75
>10 >254 35 50 60 75
1, the higher the temperature, the material is 
2, the relative humidity is bigger, thicker materials; 
3, medium temperature is lower, thicker materials; 
4. The larger the diameter of the pipe, the thicker the material.
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