Material Analysis
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PTFE Sintering Opacity
Fenómeno do problema
PTFE products have insufficient transparency after sintering, parts that should be transparent become white and cloudy, and appearance and inspection performance are affected.
Análise das causas
Too low sintering temperature means resin particles are not fully melted and fused; too short holding time means melt penetration is incomplete; but the premise of increasing temperature and extending time is good resin thermal stability.
Solução
①Confirm good resin thermal stability; ②Appropriately increase the sintering temperature; ③Appropriately extend the holding time; ④Fix the process after verifying transparency meets standards.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Conclusão principal
PTFE sintering opacity is a signal of insufficient temperature and time; but the premise of adjustment is resin thermal stability; transparency verification should be included in inspection.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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