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Sealant Features
Jan 12, 2018

Sealant features:

 

Sealant is a flow or squeeze unshaped material to fill a closed joint that can rely on embedded dryness, temperature changes, solvent volatilization, chemical stability of cross-linked materials and bonds, and gradually the solid glue, viscoelastic behavior Or elastic sealing material. In order to ensure the sealing function, the sealant should have the following basic features:

 

1, good embedding, squeeze construction, storage stability, non-toxic or low toxicity; liquid, gas;

 

2, low penetration with other media

 

3, to resist the telescopic movement, displacement and deformation of the joints; by cyclic deformation of the joints;

 

4, to ensure the full recovery of its performance and shape;

 

5, have enough strength to withstand the pressure;

 

6, not stripping, joint base degumming adhesive stability;

 

7, do not over-soften at high temperature, low temperature is not brittle;

 

8, weatherability, not powder, cracking, dissolution or excessive shrinkage, have enough life;

 

9, specific occasions, such as when there is a specific performance wear resistance, puncture resistance, corrosion resistance, rolling resistance, flammable, non-polluting, insulating or conductive.


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