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：the thought of having a big scar filed with black ink. "Gross," she responded. Leave that to skanky-looking actresses like Angelina Jolie. Nate shrugged. He'd always thought carefully chosen, tiny tattoos in just the right places were insanely sexy. A little black cat between Blair's shoulder blades, for instance would totally suit her. But before he had a chance to take the notion any further, Blair briskly changed the subject. "Nate" she nuzzled her face into his manly, perfect collarbone. "Do you think your parents would mind if I stayed--" Before she could finish her sentence, the downstairs buzzer rang. Nate's personal wing of the town house took up the
