1. When rubber products tend to be molded, they can’t be eliminated due to the cohesive force possessed from the elastomer after being pressed under high pressure. When they are molded right out the mold, they tend to generate extremely unstable shrinkage (the shrinking rate of rubber varies depending on the kind of rubber), After a period, it can be slow-moving and stable. Therefore, when a rubber product is designed from the outset, regardless of the formula or mold, it is essential to carefully calculate the fit. If not, the product size is likely to be unstable and the supplement quality is low.
2. Rubber is a hot melt thermosetting elastomer, even though plastic is hot melt along with cold curing. Due to the the various models of vulcanizates, the temperature range for molding and curing of rubber is very different, and it can even be affected by weather changes and indoor temp and humidity. Therefore, the production conditions of rubber products has to be adjusted appropriately at when. If not, the quality belonging to the products may vary.
3 OR MORE. Rubber products are mixed rubber created from rubber raw materials immediately after mixing in an inside mixer as raw supplies. The formula is designed based on the characteristics of the necessary rubber products during rubber mixing, and the required product hardness is decided. The product is made and molded by a rubber plate vulcanizing equipment. After the product will be formed, the flashing treatment is performed to make the surface with the product smooth and without any burrs.
4. Rubber product aging test belongs towards category of aging test out. Rubber aging refers to the phenomenon that the performance and structure of rubberized and products are changed from the comprehensive effect of interior and external factors through processing, storage and make use of, and thus lose the extra worthiness of use. It illustrates cracking, stickiness, hardening, softening, chalking, discoloration, mildew, and so forth.
Compared with solid rubber, sponge rubber has a crowd of special and valuable properties caused by its structural particularity, that is definitely, its porosity, such because: ⑴, small apparent density, light-weight and less material; ⑵, full of elasticity and softness, Has excellent sealing effects including dustproof, waterproof and energy; ⑶, improved heat warmth performance, has a lower thermal conductivity; ⑷, improved the ability to absorb impact lots, has excellent cushioning in addition to shock absorption performance; ⑸, improved upon sound insulation, Sound-absorbing impact; ⑹, improve the touch, improve comfort; ⑺, the physical properties of many changes, change the apparent density or cell structure for getting sponge rubber with similar properties. Therefore, sponge rubber products are key in sealing, shock assimilation, heat insulation, sound insulation, printing and dyeing, and perhaps ion exchange. They are key in aviation, automobiles, instruments, meters, home appliances and packaging industries. Its contour has plate shape, remove shape, tube shape, roller, gasket, and so on.,with various specifications and also different shapes. Different work with conditions require different perforation structures and pore sizes. Because of this, it is required to make corresponding adjustments in solution design and processing technology to achieve corresponding performance.
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