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What is the test parameters of silica gel tube?
Inspection of silicone tube is qualified, mainly to refer to what parameters? Can refer to the tensile properties, flame retardant, bonding, high temperature resistance, high pressure resistance of the 5 characteristics, the following is the 5 characteristics of the experimental operation method.
1 Tensile test
Using hand to pull silicone tube without obvious deformation or elongation and bending 3 times back and forth no crack, silicone tube skin without any wrinkle phenomenon.
2 flame retardant test
Silicone tube in the fire state after the ignition, the natural extinction after 5S.
3 joint force test
Will be measured the silicone tube to carry out the 180 degree repeatedly folding 3-5 times, and then carry out the pressure test.
4 high temperature resistance test
Take will be measured in the silicone tube 1-2m tunnel furnace (120 degrees 45 minutes), the surface should not have yellow, bubble and other bad appearance, and then the high temperature of the silicone tube after the test, and meet the requirements of the.
5 high pressure test
To be measured silicone tube sampling, sample (after high temperature, bonding force test, tensile test), then the corresponding conductors (copper or iron) by silicone tube, take pressure gauge pressure rod end in contact with the conductor, on the other end of the conductor by silica gel tube moving back and forth, when silicone tube by the breakdown voltage instrument sound the alarm for nonconforming product, contrary to qualified products.
This paper comes from Shenzhen,.
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