T/CPPIA 12-2021
Determination of the influence of agricultural greenhouse film on weather resistance after exposure to pesticides containing sulfur、chlorine (English Version)
- Standard No.
- T/CPPIA 12-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/CPPIA 12-2021
- Scope
- 4 Judgment index 4.1 Mechanical property retention rate The mechanical property retention rate should comply with the requirements in Table 1. Table 1 Mechanical property retention rate item requirements Tensile strength retention rate (longitudinal and transverse direction)/% ≥60 Nominal strain retention rate at fracture (longitudinal and transverse direction)/% ≥60 4.2 Pesticide sulfur and chlorine residual amount Pesticide sulfur and chlorine residual amount Should comply with the requirements in Table 2. Table 2 Pesticide sulfur and chlorine residue usage period/year (a) Residue amount/(mg/kg) Sulfur (S) Chlorine (CL) a≤1 ≤500 ≤100 1＜a≤2 ≤1000 ≤150 a＞2 ≤2000 ≤180
T/CPPIA 12-2021 history
- 2021 T/CPPIA 12-2021 Determination of the influence of agricultural greenhouse film on weather resistance after exposure to pesticides containing sulfur、chlorine
