This dual caulking gun is used for squeezing dual cartridge 490ml 10:1, and the thrist can be ... pump and plastic sleeve which are widely used for sealant and epoxy adhesive dispensing solutions.Caulking gun ... for epoxy adhesive such as 50ml(1:1,2:1), 200ml(1:1), 235ml(10:1), 345ml(10:1 ... your suggestions are also important for us.Welcome to give us advice! 490ml 10:1 Nylon Cauking Applicator, Sealant ...