Teach you how to know better high pressure hose

Domestic high-pressure hoses and imported high-pressure hoses are also mainly different in product formula and manufacturing process. In the large rubber industry in the country, we must avoid fish and dragon mixing. Specifically, we can explain in detail what methods can help users choose a good one. The product.
 
Invisible method test
Under the national standard of pressure test, the test pressure is required to be twice the working pressure, and the burst pressure to be 3 to 4 times. It needs to be identified by the relevant departments.
 
See how to do it manually
Whether the inner rubber is degummed: What is degummed is that there are too many bad and inferior glues in the formulation.
 
High brightness is good glue type.
Use your fingers to remove the glue layer: good elasticity is better.
 
Whether the inner rubber layer is uniform: It is related to the equipment modulation. A good product should be a tight and uniform inner rubber layer.

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