1. High temperature resistance
Feng brand PVC-C drainage pipes are suitable for drainage systems with long-term drainage temperature ≤70℃ and instantaneous drainage temperature ≤90℃, which fully complies with the technical requirements of "Design Standards for Building Water Supply and Drainage", "General Specifications for Building Water Supply and Drainage and Water Saving" and "Technical Regulations for Building Drainage Plastic Pipe Engineering" for continuous temperature resistance of drainage pipes and accessories >40℃.

2. Outdoor anti-aging performance
Feng brand PVC-C pipes have excellent outdoor applicability:
Excellent weather resistance, strong anti-ultraviolet and anti-aging capabilities, can be directly installed outdoors
Compared with PP silent pipes (the PP resin molecules contain highly active tertiary hydrogen atoms, which are easily oxidized and degraded by ultraviolet rays), no additional protective treatment is req