... painting surface (coating, color steel plate, cloth etc.) and human body won’t be hurt, can increase the service life.2 ... ,Product feature: 1. The product is colorless, transparent sol body with Tydall. 2. The content of suspended matter and sediment ... application packing 500 mlExecutive standardQB/MD2005001Validity2 years 2-3 nano meter Quantum Photocatalyst