Production & Quality
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PPS Microwave Food Containers
Problem Phenomenon
PPS microwave oven containers do not deform at high temperatures, but cost limits their popularity
Cause Analysis
PPS is heat-resistant and can withstand microwave oven heating; its steam resistance and chemical resistance make it suitable for high-end food containers; cost is higher than general-purpose materials like PP, limiting it to special scenarios
Solution
①Select PPS for high-temperature repeated-heating containers; ②Select PP for disposable scenarios to control cost; ③Select compliant grades for food contact; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPS food containers take the high-end durable route; microwave tolerance is the core value, and cost determines the market boundary; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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