Ekaland BQD Benzoquinonedioxime Sovereign Chemical Adhesion Promoters Catalysts / Accelerators / Vulcanizing agents ADHESIVE Benzoquinonedioxime 50% active in ethyl benzene 75% active in water Accelerating and vulcanizing agent, and adhesion promoter. Benzoquinonedioxime. Accelerating and vulcanizing agent, and adhesion promoter.