We manufacture and distribute fine chemicals and laboratory
products - with quality and delivery you can count on every time.
Provide maximum sealing and exceptional dimensional stability with Spectrum's selection of HaloBuyl gray rubber stoppers. These stoppers are constructed of autoclavable gray butyl, chlorobutyl, or bromobutyl.
Spectrum specializes in providing the top HaloBuyl gray rubber stoppers but if you do not see the product you require, just contact our chemical specialist at 800-772-8786. We carry 1,200 USP/NF/FCC chemicals, and full regulatory support - Trust Your Ingredients!