асфальт галечный

A. Basic component: 1) Reinforcement: Mostly fiberglass; 2) Bitumen coating layers: Two layers of bitumen on two sides of the fiberglass mat, with modified bitumen as its main material, which obtains good performance to resist long-term erosion by wind and snow and maintain its properties even in bitter cold or intense heat; 3) Colorful mineral granules: Covered as surface finishing that protect against direct sun rays, resulting in no easy ageing. This can not only rich colors of the products, but also ensures a good property of fire resistance; 4) Self-adhesive strip: Heat activated by sun with adhesive properties that bond firmly up and down shingles into an integral unit. B. Properties of colored asphalt shingle; 1) Beautiful and harmonious characteristic in style; 2) Weather-resistance and erosion-resistance; 3) Dust prevention and self-washing characteristics; 4) Fire resistance and wind resistance; 5) Heat preserving and isolating properties; 6) Economical and convenient installation; 7) Long-term durability and low repairing rates.