Water expanding rubber water stop strip /bar

Number

Item

index

B

S

J

1

Hardness(Shore A)

60±5

60±5

60±5

2

Tensile strength. %

15

12

10

3

Elongation at break,%

380

380

380

4

Compression set

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 change(Shore A) degree≤

+8

+8

-8

Tensile strength,mpa≥

12

10

--

Elongation at break,%≥

300

300

--

100℃*168h

Hardness change(Shore A) degree≤

+8

Tensile strength,mpa≥

--

--

9

Elongation at break,%≥

250

8

Ozone aging 50pphm:20%, 48h

Grade2

Grade2

Grade0

9

Mixed rubber and metal

Section is in the elastomer

Note:

1. Mixed rubber and metal is only suitable for waterstop with steel edge.

2. If there are other requirements, inspection items can be appropriately added according to buyer and seller. If evaluating mould test in line with users, its anti-mold property should be equal to or above Grade 2.