Food Grade Silicone Tube 25mm for Dairy Transfer High Temperature Heat Resistant Product Overview Food Grade Silicone Tube 25mm for Dairy Transfer is engineered and moulded in-house by Dongguan Yunze Silicone Products Co., Ltd. Manufactured from 100% platinum-cured silicone rubber (50°A Shore A, -40°C to +250°C / -40°F to +482°F), this food grade silicone tube is designed for demanding industrial use where heat, chemical exposure and repeated assembly cycles are routine.