Bus Window Rubber Seal Strip
Auto Rubber Seal Strip
Features of Auto Rubber Seal Strip
EPDM,CR material with its excellent ozone resistance,uv-stable,heat/cold esistance,weather resistance, are widely used for solid rubber seal strips' ,like various auto rubber weather stips, frame seal for aluminum windiow,train window /door or other buliding industry etc.Shape can be easy or complex.Special fire retardant are available.Strips are with high sealing and compound property through high temperature microwave vulcanized.
Technic Data | ||||
Item | Performance Index | |||
Hardness (Shore A) | 60~70 | |||
Tensile Strength (Mpa) | 8 | |||
Elongation at breakage (%) | 300 | |||
Hot air aging (70±2)/70h |
hardness changes, Shore A | 0~+5 | ||
tensile strength changes,% | -15~+15 | |||
break elongation changes,% | -25~0 | |||
hardness changes,Shore A | 0~+5 | |||
Water proof (80±2)/120h |
tensile strength changes,% | -15~+15 | ||
break elongation changes,% | -25~0 | |||
Compression set | (23±2/72h | 35 | ||
(70±2/24h | 50 | |||
Brittleness temperature | no more than | -40 | ||
stretch 20%,(40±2) /72h | ||||
Ozone resistance | ozone concentration | No crack | ||
(2±0.2)*10^-6 | ||||
Polluting | light pollution | |||
Causticity | (100±2) /24h | not turn to black | ||
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