Listing ID #4745026
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Contact SupplierTap 403 is an oil concentrate of an olefinic copolymer and is recommendedprimarily as a viscosity index improver for crankcase lubricants having various sae grades particularly where excellent shear stability is desired.
as applies to all viscosity index improvers, there is some loss in viscosity and in viscosity index due to the shear forces encountered in engine operation. In this respect, tap 403 exhibits outstanding characteristics as evidenced by an average viscosity loss of 7 % @ 100oc for sae 15w-50 crankcase oils in over the road service.