Material Analysis
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MP poor chemical resistance
Problem Phenomenon
MP products after immersion in acid/alkali solvents, mechanical properties decline >30%
Cause Analysis
MP has high affinity to specific chemicals, attacked and swollen; MP molecular chains attacked by chemicals and broken
Solution
1) select a chemical-resistant grade; 2) slight crosslinking to reduce swelling; 3) product surface coating protection; 4) add chemical stabilizer
Key Takeaway
poor chemical resistance is caused by MP chemical affinity; selecting a chemical-resistant grade and coating are key
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