With the action of metal salt catalyst, it can form a durable waterproof membrane with good hydrophobic and high contact angle. It can be widely used as release agent in rubber and plastic industry, antirust agent for metal and anti-adhesive agent for paper and packing material. It can increase the performance of tear strength, abrasion resistance, crease-resist, anti-fouling, waterproof, ironing resistance and sewability without influencing the original breathability of the fabric. The optical glass coated with it will have high light transmittance, excellent mildew and moisture resistance.