Extrusion & Post
7 조회수
Poor adhesion of ETFE to substrates
문제 현상
Insufficient adhesion of ETFE coating or lining to metal or other substrates
원인 분석
ETFE surface energy is extremely low (similar to PTFE); lack of effective surface treatment
해결 방법
Sandblast the substrate to roughen and increase mechanical interlocking; plasma/corona/sodium-naphthalene solution treatment to increase surface energy; use primer
핵심 요약
The low surface energy of ETFE is the core difficulty of its bonding processing
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