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Rubber Water-Stop Belt

Author:admin Date:2015-11-22 Views:2294
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Product Description

Rubber water stop is used in the large concrete structure, for example, dam, cistern, basement, etc. Pouring rubber water stop in deformation joint and working place is to prevent leaking.

Belt physical and mechnical performance should accord the list below
Serial No.

Item

Naural Rubber Synthetic Rubber
1 Hardness Shore A Hardness 60±5 60±5
2 Tensile Strength Mpa≥ 18 16
3 Elongatin at Berak %,≥ 450 400
4 Compression Permanent Set 70℃×24h%,≦ 35 35
23℃×168h%,≦ 20 20
5 Tearing Strength N/m,≥ 35 35
6 Brittle Temperation ℃≦ -45 -40
7 Aging in Hot Air 70℃×72h Hardness Changes Shore A Degree 8  
Tensile Strength %≦ 10  
elongation changes %≦ 20  
70℃×96h Hardness Changes Shore A Degree   8
T ensile Strength %≦   10
E longation Changes% ≦   20
8 Ozone Aging 50pphm 20% 48h 2 grade 0 grade
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