Acrylic acid polishing layer to increase the brightness and adhesiveness of color sand and to avoid the water leakage.
Color sand layer to resist the ultraviolet ray, lower the noise when raining, and increase the decoration appearance.
Acrylic acid adhesivesto adhere the relative structure and provide protection for the bottom layer.
Protective layer to protect the aluminum coated zinc plate and increase the wear-proof, anti-rust performance and adhesiveness.
Aluminum coated zinc plate increased anti-rust performance and high heat radiation can prolong the service life and energy-saving as well.
