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What’s the appearance of good rubber waterstop

author: Jianfeng Engineering from: 原创 date: 2016/9/4 9:00:00 hit: 37517 ℃
Tips: What’s the appearance standards of good rubber waterstop

No.

Defect name

Appearance standard

1

Bubble

Products are not allowed to have more than three bubbles per meter, and the bubble diameter is not larger than 1mm

2

Impurity

Products are not allowed to have more than three impurities per meter, and each area is not greater than 4mm

3

Joint defect

There should not be any crack and sponge phenomenon, the protruding height shall not be greater than 1mm

4

collapse pit

Not allowed to have

5

Center hole wall thickness difference

±1mm

  

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