food  hose polyurethane bottom glue make up: polyurethane armour material, b stock in proportion to 1:2 ~ 3 (weight ratio) fit (other coating according to the product specification proportion coordination). When b material is thick, can use special dilution agent dilution, must not use contain acid or contain oily dilution agent dilution, so as not to affect the quality of the original. In the configuration, should first b material dilution mixing 2-3 minutes, such as do not need to dilution, can be directly with methyl group b distribution and mixing 5-10 minutes, the stirrer mention, visible to homogeneous liquid slowly slide from vessel to be beautiful, and should also pay attention to, open the material should be immediately cover tightly, lest setting scrap, mixture should be based on actual dosage, namely match and play