Molds & Tooling
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Selection Confusion Between LCP and High-Temperature Materials Such as PPS/PEEK
Problem Phenomenon
【Problem Phenomenon】When selecting materials for high-temperature applications, one wavers among LCP, PPS, PEEK and PA9T, and only after mold trials finds the process does not match
Cause Analysis
Several high-temperature plastics differ greatly in melting point, fluidity and cost: LCP has the best thin-wall flow but weak welding, PPS has good rigidity and low cost, PEEK has the highest heat resistance, and PA9T has high soldering cost performance; 52by literature records the substitution relationships
Solution
Select material by core requirements: choose LCP for ultra-thin walls, PPS for cost sensitivity, PEEK for ultra-high temperature, and PA9T for reflow soldering cost performance; define heat resistance and structural requirements before material selection
Key Takeaway
For high-temperature material selection, first define core requirements; LCP's irreplaceability lies in ultra-thin-wall flow; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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