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What material can increase the high tear strength of silicone tube?
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Silicone rubber material hardness of 80, strength is greater than the 12200% stretch strength is greater than 9, 77 my current rubber hardness, strength 14200% constant tensile strength 7.0, add what materials can make the hardness to 80 degrees, tensile strength to 9.0? Crosslinking density appropriate to strengthen the can improve, coupled with the appropriate number of copies of high structure carbon black can also improve, appropriate improve gum content rate, but increase in the cost, crosslinking density and properly strengthening can be improved, together with the appropriate number of copies of high structure carbon black can also improve, appropriate improve gum content rate, but increase in the cost.
The analysis of odd and silicon rubber hose factory:
1, improve the rubber tensile strength, tensile stress will increase.
2, to increase the crosslinking density, the TT in the curing accelerator is higher.
3, with high structure carbon black, the specific surface area is large, to set a good extension.
4, reduce the matching of softening oil, the increase of the fixed extension also have some help.
5, with the high strength of filling, the Lord of this will be able to meet the requirements of the extension, and more to adjust several recipes.
The hardness of silicone tube is improved, and the peroxide curing can be made. As for the use of fine particles to improve the density of carbon black, and enhance the curing system can also be, the most critical elongation control. Not long - can, basically dingshen are more than 12. With high structure carbon black will increase tensile strength, but it will increase the viscosity of adhesive materials, heat and deformation increases, mixed refining and other process brings negative effects, selection of high modulus furnace black, while increasing crosslinking density increased elongation is quite good. The most effective is provided for the high crosslinking degree and elongation decreased, tensile strength is high.
This paper is from Shenzhen,, id=452?
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