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| Cover Rubber Grade | ||||
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Type
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Cover Rubber
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Use
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Min.Tensile Strength
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Min.Elongation
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Volume Change ASTM#3 Oil
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kg/cm-ply
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%
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OR-300
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160 2250
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Min 500
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Max 20
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Oily metal parts,crushed soybeans,automatic hydrocarbons such as benzol,toluene and petroleum based oils. |
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OR-200
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120 1700
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Min 500
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Max 90
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Oil-treated materials and for carrying Oily metal turnings and shavings,crushed soybeans.animal or vegetables fats. |
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OR-100
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140 2000
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Min 450
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Max 150
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Wood chip,linseed,cottonseed,kernel corn,and whole soybeans.static conductivity and moderate oil resistance. |
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HTN
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120 1700
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Min 500
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Max 60
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Hot asphalt,coke whafs,and other Oil&heat resistant applications. |
Special features:
1)OR-300 grade has excellent resistance to the toughest oil application such as oil-treated coal. petroleum base oils.
2)OR-200 is grade has superior oil resistance to various kinds of animal and vegetable oil with severe cold temperature up to -45’C.
3)OR-100 grade is to resist to moderate oil resistant operations like wood chips, linseed . Cottonseed and whole soybeans where static conductivity is needed.
4) HTN grade is recommended for conveying hot asphait with temperature up to 175' C where both oil & heat.
