Rubber round cord Viton®- FKM. Black approx. 75° Shore hardness A. Acid, oil-fuel and alkali-resistant. Temperature resistant even above 200° C. Very good mechanical properties, high tensile strength even at high temperatures. Excellent resistance to sunlight, ozone and weathering, as well as oils and greases. Not recommended for esters and ketones. Viton® is the trade name of DuPont. Tolerances according to ISO 3302-1 E2.