21 N 化学特点
综合性能较好，冲击强度较高，化学稳定性,电性能良好。
与372有机玻璃的熔接性良好，制成双色塑件，且可表面镀铬，喷漆处理。
有高抗冲、高耐热、阻燃、增强、透明等级别。
流动性比HIPS差一点，比PMMA、PC等好，柔韧性好。
本公司长期供应塑胶原料，种类多样化，标准化，技术化，价格合理。发货准，交期准.质量有保障！本公司郑重承诺：诚信经营，质量至上，可為客户提供（物性、报价、UL报告、RoSH标准、SGS检测报告等）敬请来电咨询洽谈！详情请致电：严生（业务经理）。手机；
详细说明：He did not stop to watch, longer from the balcony. He went back to his room, snatched up his hat, and hurried down stairs. They were beginning to close the establishment for the night, and the waiters stared as Sir Oswald passed them on his way to the street.
In the market-place nothing was stirring. The baronet could see the dark figure of the woman still in the same attitude into which he had seen her sink when she fell exhausted on the door-step, half-sitting, half-lying on the stone.
