Rubber & Products
Description
Application：
Rubber water-proof belt is generallt used in large concrete construction such as dam, reservoir and basement etc. Rubber water-proof belt is poured in deformation joint and construction joint of these project to avoid leakage.
Physical and mechanical property of rubber should accord with requirement listed below:
Item Description? Nature rubber Synthetic rubber
1 Hardness A 60±5 60±5
2 Tensile strength???Mpa ≥ 18 16
3 ?Tensile yield ?% ≥ 450 400
4 Permanent compression set 70℃x24h%≤ 35 35
23℃x168h%≤ 20 20
5 Tear strength??N/m≥ 35 35
6 Brittleness temperature??℃≤ -45 -40
7 Hot air aging 70℃x72h Hardness variation 8 ?
Variation of tensile strength (lower) %≤ 10 ?
Variation of tensile yield(lower) %≤ 20 ?
70℃x96h Hardness variation ? 8
Variation of tensile strength (lower) %≤ ? 10
Variation of tensile yield(lower) %≤ ? 20
8 Ozone aging 50pp 20% 48h Grade 2 0
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Fire retardant conveyor belt manufacturer...
Baoding Shunda Rubber Belt CO.,LTD
Conveyor belt, roller, idler, pulley, frames conveyor parts
Address: Boye industrial district,
Baoding, Hebei
China, 071399
Tel: 0086-21-2162686
Fax: 0086-21-2162686
