2025-03-28
Itandukaniro hagati ya PE na PVDF 1. Kurwanya ikirere PVDF: igipimo cyo kwinjiza UV <1%, kirashobora kurwanya gusaza hanze mumyaka irenga 20. Ikizamini cyo gutera umunyu hours Amasaha 1000 (ASTM B117 isanzwe). PE: UV yunvikana, umuhondo no kwiruka nyuma yimyaka 5. Ikizamini cyo kurwanya umunyu mubisanzwe ni amasaha 300-500, ibicuruzwa byiza birashobora kugera kumasaha 800. . PE: Irwanya aside idakomeye na alkali, ariko byoroshye hydrolysed na acide ikomeye (nka aside hydrochloric) cyangwa alkali ikomeye. Byoroshye gushonga na xylene, methyl etyl ketone nibindi bishonga. 3. Ibikoresho bya mashini PVDF: Ikizamini cya Scratch mubisanzwe 0-1 (ASTM D3359), bigomba kubanza kuvurwa na chrome / chrome idafite passivation. PE: Gufata kugeza kuri 0-2, ariko byoroshye gukuramo munsi yubushyuhe bwinshi nubushuhe.