According to the physical properties, chemical properties and use environment, industrial rubber sheet can be divided into ordinary industrial rubber sheet, oil resistant rubber sheet, acid and alkali resistant rubber sheet, insulating rubber sheet, etc., and different types of industrial rubber plate have different physical property requirements for the rubber materials used. Tire reclaimed rubber is made of the rubber part of waste tires as raw materials, processed by crushing, desulfurization, refining and other processes, with the basic performance characteristics of rubber, compatibility with other varieties of rubber, and mixed into the process rubber sheet formula in an appropriate proportion, which can reduce costs under the premise of ensuring the quality of finished products.
1. Ordinary industrial rubber sheet is mixed with tire reclaimed rubber vulcanization formula
(1) 50 parts of natural rubber, 50 parts of butadiene rubber, 100 parts of tire reclaimed rubber, 5 parts of zinc oxide, 1.3 parts of stearic acid, 1.5 parts of antioxidant A, 1 part of paraffin, 35 parts of carbon black N330, 180 parts of stone powder, 4 parts of coumaron resin, 1 part of accelerator DM, 1 part of accelerator M, 0.2 parts of accelerator TMTD, 3 parts of sulfur; Total: 433 copies.
(2) 200 parts of tire reclaimed rubber, 2.5 parts of zinc oxide, 0.5 parts of stearic acid, 0.5 parts of antioxidant, 50 parts of light calcium, 7.5 parts of paraffin, 1 part of accelerator DM, 2.5 parts of sulfur; total: 264.5 shares.
2. Acid and alkali resistant industrial rubber sheet mixed with tire reclaimed rubber vulcanization formula
100 parts of natural rubber, 100 parts of tire reclaimed rubber, 6.5 parts of zinc oxide, 2.2 parts of stearic acid, 1 part of antioxidant D, 5 parts of paraffin, 40 parts of carbon black N330, 230 parts of barite powder, 8 parts of black ointment, 0.5 parts of accelerator D, 0.7 parts of accelerator M, 0.1 part of accelerator TMTD, 3 parts of sulfur; Total: 497 copies.3. Oil-resistant industrial rubber plate mixed with tire reclaimed rubber vulcanization formula
100 parts of nitrile rubber, 50 parts of tire reclaimed rubber, 5 parts of zinc oxide, 1 part of antioxidant D, 100 parts of carbon black N774, 35 parts of clay, 35 parts of dibutyl phthalate, 0.4 parts of accelerator D, 1 part of accelerator M, 2.6 parts of sulfur, total: 330 parts.
Tire reclaimed rubber has good compatibility with natural rubber, butadiene rubber, nitrile rubber, etc. When using tire reclaimed rubber to reduce the industrial rubber plate in different use occasions, it is necessary to select the appropriate varieties of original rubber and reclaimed rubber according to E4LYY515 application and performance requirements of the rubber plate, and reasonably determine the amount of reclaimed rubber; Adjust the formula appropriately, increase the amount of tire reclaimed rubber as much as possible under the premise of ensuring the performance of rubber sheets, reduce the cost of more raw materials, and improve economic benefits.
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