... Production Line Twin-Screw Sealant Automatic Production LineAVAILABLE PRODUCTS:Silicone sealant, polyurethane sealant, polysulfide sealantEQUIPMENT CHARACTER:1) Fully automatic, production efficiency is high ... machine.4) Production ability: 600-800 kgs/hr Twin-Screw Sealant Automatic Production Line