High-hardness ethylene-propylene-diene monomer (EPDM) rubber for extrusion
A technology of EPDM rubber with high hardness, which is applied in the field of rubber, which can solve the problems affecting the appearance of the product, such as door and window sealing, surface micro-wrinkling, etc., and achieve the effects of good reinforcement performance, long service life and good fluidity
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[0013] In parts by mass
[0014]
[0015]
[0016] Note: Examples 1 and 2 are EPDM raw rubber with a Mooney viscosity of 40 at ML (1+4) at 125°C; Example 3 is EPDM with a Mooney viscosity of 30 at ML (1+4) at 125°C Acrylic raw rubber; Embodiment 4 and 5 are the EPDM raw rubber that ML (1+4) 125 ℃ Mooney viscosity is 20;
[0017] According to the raw materials in the embodiment formula, the film is made into a film for testing and detection. The properties of the high hardness EPDM rubber used for extrusion are as follows:
[0018]
[0019] From the data in the above table, it can be concluded that the high-hardness EPDM rubber used for extrusion not only has a good extrusion process, but also the physical properties of the product are much higher than the standards of the old products. The practical application in it can meet the current use requirements.
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