与普通玻璃相比，PMMA具有优异的抗冲击性能，但在塑料中相对较低，需要加以改进。LGMMA使用丙端酸橡胶提高了PMMA的抗冲击性能，并保持了其耐候性。PMMA的抗冲击等级适用于需要冲击强度的区域，如标志牌、照明、显示器和自动售货机。PMMAis excelentinmpact resistance compared to general glasses, butrelatively lower among plastics so it is demanded to be improved inthis repec. IG MMA has improved thempac! resistance of PMMA usingacyic rubbers, and maintained the weatherabilty, mpat resistantgrade of MMA is applied to the area where impactstrength isrequired such as signboards, lightings, displays, and vendingmachines.
