Material Analysis
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PBT Home Appliance Application
Problem Phenomenon
PBT home appliance housings are spray-free with good gloss, but flame retardancy requirements and warpage are difficult to reconcile
Cause Analysis
PBT surface gloss is suitable for spray-free home appliances; flame-retardant grades meet safety requirements; warpage control of glass fiber flame-retardant grades is the difficulty; heat-generating parts such as rice cookers need heat resistance
Solution
①Select high-gloss grades for spray-free appearance parts; ②Select low-warpage flame-retardant grades for flame-retardant parts; ③Verify the heat resistance level of heat-generating parts; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PBT home appliance application is a multi-objective balance of appearance, flame retardancy, heat resistance, and warpage; dedicated grade combinations solve it; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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