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LK-502 Permanent compression ..

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Details

1. Scope Of Application
The machine is suitable for the determination of Vulcanized rubber constant deformation compression characteristics of test methods. This test is to provide the sample compression Vulcanized rubber height, a certain temperature and time, or after the wetted, determination of sample compression rate.

Compression rates may, in accordance with the specimen hardness (shore A-select)

Hardness in 50 following compression optional 40%;

Hardness in 50 ~ 75 compression optional 30%;

Hardness 75 above compression optional 20%.

2.The Device

Test fixture requirements are as follows:

A, compressed surface requirements, its finish is not less than 7

B, compression plate in the test should not be generated, it is recommended that a plate deformation, size of about 75mm 50mm, thick, and West is about 10 mm.

C, limiter height respectively 7.62mm, 8.89mm, 9.52mm, 10.16mm.

D, incubators have continuous blowing unit, box at the test temperature uniformity. Incubators in the experimental area of temperature fluctuation range: 100 ° c ± 1 ° c below the 100 ~ 200 ° c ± 2 ° c.

  

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