标准编号 Standard/Code | 标准名称 Standard Title |
21 CFR 177.1040 | Acrylonitrile/styrene copoly-mer |
Acrylonitrile/styrene copolymers identified in this section may be safely used as a component of packaging materials subject to the provisions of this section.
Test Requirement 测试要求:
丙烯腈/苯乙烯(66-72/34-28品质比,分子量30000):
丙烯腈单体含量
共聚物中氮含量
丙烯腈/苯乙烯(66-72/34-28品质比,分子量30000):
66度,蒸馏水和3%乙酸浸提10天,总不挥发浸提物量不超过0.00155mg/cm2;浸提出共聚物的量不超过0.00155mg/cm2
丙烯腈/苯乙烯(45-65/55-45质量比,10%溶液在25度下最低黏度为0.01PS.S):
丙烯腈单体含量
共聚物中氮含量
水或正庚烷回流温度下浸提2h,所得共聚物的量
丙烯腈/苯乙烯(66-72/34-28质量比,23度,CO2的最大渗透性为4*103pa):
丙烯腈单体含量(以丙烯腈共聚物树脂在制品中的重量计算)
共聚物中氮含量
66度,蒸馏水和3%乙酸浸提10天,总不挥发浸提物量不超过0.00155mg/cm2;浸提出共聚物的量不超过0.00015mg/cm2
Residual Acrylonitrile*
Extractive test at 66 deg. C, 10 days
water
3% HOAC
Nitrogen content (not performed)
MW (not performed)
Sample Size 样品数量 / 送样规格: 4 PCS; 每PCS表面积>100cm²
Lead Time / TAT (Turn Around Time) 测试周期: 常规服务 Regular service 12 working days
Report Summary 报告摘要: