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：There was a pause after the reading of the letter — a silence which Mr. Eversleigh did not attempt to break. “The second letter I need scarcely read to you,” said the baronet; “it is from a young man whom you were pleased to patronize some twelve months back — a young man in a banking office, aspiring and ambitious, whose chief weakness was the desire to penetrate the mystic circle of fashionable society. You were good enough to indulge that weakness at your own price, and for your own profit. You
