| 摘要 |
PURPOSE: A plastic composition for a fence with improved physical properties such as tensile strength, elongation rate, flexural modulus, flexural strength, linear expansion and weatherability, etc, and improved UV resistance is provided. CONSTITUTION: The plastic composition for a fence comprises 75-80 wt% of PVC, 5-7 wt% of a complex stabilizer, 6-9 wt% of an impact modifier, 0.3-0.6 wt% of a UV stabilizer, 0.2-0.4 wt% of an antioxidant, 1-2.5 wt% of processing aids, 4-7 wt% of calcium carbonate, and 0.4-0.6 wt% of carbon black. |
