Royal Adhesives & Sealants

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Royal Adhesives & Sealants, based in South Bend, Ind., is a company that produces specialty rubber intermediates for adhesives, sealants, coatings and rubber compounds. The company provides specialty properties and improved processing in a range of applications. The DPR liquid natural rubber is a performance additive for rubber compounding. It functions as a liquid reactive processing aid and a reactive plasticizer for filled rubber compounds. DPR is used as binder for grinding wheels, brake pads and other filled wear-resistant products. It is also used as a rheology modifier for lubricants, oils, and asphalt systems. The company additionally manufactures ISOLENE liquid synthetic rubber, an extender for block copolymers that can be cured via the polyisoprene backbone. ISOLENE is used in block copolymer based pressure-sensitive adhesives systems. It is a reactive vehicle for rubber additives and curatives.