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Name

Bentonite swelling rubber strip

Affiliate classification
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Detailed

Bentonite swelling rubber strip

Product Information

Waterproof belt is a kind of waterproof belt mainly used in concrete deformation joints, expansion joints and other concrete internal settings. It has the ability to adapt to the expansion and deformation of concrete with elastic material and structural form. This product utilizes the high elasticity and compressive deformation of rubber to produce elastic deformation under various loads, so as to tighten and seal effectively to prevent leakage and seepage of building components, and play a role of shock absorption and cushioning, which can ensure the service life of engineering buildings.

Product Uses

It is mainly used for the foundation engineering, underground facilities, tunnel culverts, water conveyance aqueducts, water retaining dams, etc. which are set in the construction joints and deformation joints when the concrete is cast in place and become an integral part of the concrete structure to ensure the service life of the project construction.

Serial number

Item

Index

B

S

J

1

Hardness (shor A), degree

60±5

60±5

60±5

2

Tensile Strength, MPa  ≥

15

12

10

3

Elongation at break,% ≥

380

380

300

4

Compression permanent deformation

70℃×24h,% ≤

35

35

35

23℃×168h,%≤

20

20

20

5

Tearing Strength, KN/m  ≥

30

25

25

6

Brittleness temperature ℃≤

-45

-40

-40

7

Hot air aging

70℃×168h

Hardness (shor A), degree  ≤

+8

+8

--

Tensile Strength, MPa   ≥

12

10

Elongation at break,%  ≥

300

300

100℃×168h

Hardness (shor A), degree  ≤

--

--

+8

Tensile Strength, MPa ≥

9

Elongation at break%  ≥

250

8

Ozone aging 50pphm: 20%,  48h

2grade

2grade

0grade

9

Rubber and metal bonding

Section in elastic body

 

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