Molding Process
2 مشاهدة
PTFE Bonding Difficulty
ظاهرة المشكلة
PTFE cannot be effectively bonded with other materials, strength after adhesive bonding is extremely low and it falls off, and composite structures fail.
تحليل الأسباب
PTFE's C-F bond inert shell with extremely low surface energy makes adhesives unable to wet and adhere; bonding without surface treatment is almost ineffective; the non-stick characteristic instead becomes a composite obstacle.
الحل
①Surface activation with sodium naphthalene solution treatment; ②Complete bonding within the validity period after sodium treatment; ③Select adhesives matching the treatment process; ④Bonding strength verification.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
الخلاصة الأساسية
The only way out for PTFE bonding is surface activation treatment; sodium naphthalene treatment is the industry standard method; treatment validity management affects success rate.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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