Waterproof cloth (canvas) selection of waterproof finishing agent

Waterproofing agent for canvas finishing is required to have the characteristics of good stability, convenient use, and good compatibility with other ingredients. In the waterproofing process, because polyester fiber is different from other natural fibers, its chemically reactive groups are less and the aggregated structure is relatively tight. For this reason, general waterproof finishing agents, such as paraffin waxes and triazines, are only used in It is suitable for the shortcomings of cellulose fiber and is not selected for use. As for the silicone waterproofing agent, although its durability is better, it has not been used because the fabric is too slippery after finishing. For this reason, through comparison, Finally, the organic fluorine water repellent AG-710 was selected, and its excellent water resistance and soft feel were the main reasons for its selection.