Polyester-based Prepolymers

Product	Chemical Description	*Elastomer †Hardness (Shore)**	% NCO*	100ºC Visc. mPa·S*	25ºC Visc. mPa·S*	Typical End-Use Applications	Unique Properties
Baytec MS-051	Isocyanate-terminated Polyester Prepolymer	80A	5.0	800	--	Rolls Wheels Bushings	Solvent resistance; Tear strength; Good resilience
Baytec MS-090	Isocyanate-terminated Polyester Prepolymer	93A	9.0	350	--	Water parts Gears Chopper cots Wheels	Cut/tear strength; Abrasion resistance; Low resilience
Baytec MS-092	Isocyanate-terminated Polyester Prepolymer	93A	9.2	365	--	Chopper cots Hydrocyclones Wheels Rollers	Cut/tear strength; Low compression set
Baytec MS-242	Isocyanate-terminated Polyester Prepolymer	85A	6.6	600	--	Wheels Sheet goods Die-cut blankets Gaskets	Abrasion resistance; Tear strength

† When extended with 1,4 butanediol

* These items are provided as general information only. They are approximate values and are not considered part of the product specifications.

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