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Is Butyl Polydimethylsiloxyl Ethylene/Propylene/Vinylnorbornene Copolymer vegan?

Butyl Polydimethylsiloxyl Ethylene/Propylene/Vinylnorbornene Copolymer is a synthetic silicone-based copolymer formed by reacting butyl polydimethylsiloxane with a copolymer of ethylene, propylene, and vinylnorbornene monomers.

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