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 went to the loneliest part of the Green Park, and, stretched at full length upon a bench, abandoned himself to gloomy reflections, with his face hidden by his folded arms.For hours he lay thus, while the bleak March winds whistled loud and shrill in the leafless trees above his head — while the cold, gray light of the sunless day faded into the shadows of evening. It was past seven o’clock, and the lamps in Piccadilly shone brightly, when he rose, chilled to the bone, and walked away from the park.
