ACM is a copolymerization of acrylic esters and monomers. The acrylic esters used in ACM are ethyl acrylates and/or butyl and oktyl acrylate, ethyl methoxi, or ethyloxi acrylates. These copolymeres are highly resistant to oil, heat, aging and ozone. Tensile strength of Acrylic rubbers are not as good as NR and NBR. Especially new generation ACMs can work at 150-1600C around 1000 hours. But, at high temperatures they tend to soften. ACM Vulcanisates are more resistant to expansion when exposed to animal fat, vegetable oil and mineral oil, then other rubber compounds except FKM, which decreases as temperature rises. ACM does not well with chemicals. Dry working conditions are bad, and not suitable for working under low temperatures and in water. More then 90% of ACM Manufacture are used in automotive industry. It is used usually in crankhafts, automatic and differential transmissions as shaft rubber and also in o-rings, valves and oil hoses. Its high price usually shadows its other properties and mostly FKM(Fluoroelastomers) is preferred instead.
Operation Temperature: +160°C / +170°C (1000 Saat)
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