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执行标准:GB/T8826-2011
项目 | 标准值 |
外观 | 琥珀色至浅棕色粒状或片状 |
软化点/℃ | 80.0-100.0 |
灰份% ≤ | 0.50 |
加热减量/% ≤ | 0.50 |
[产品性能]
浅黄色或白色细粉状结晶。有苦味。比重1.42±0.02。可溶于乙醇,醋酸乙酯,难溶于石油醚,二氯甲烷,不溶于四氯化碳,苯和水中。无毒。
[适用范围]
防老剂RD主要用作橡胶防老剂。适用于丁苯、乙丙及氯丁等合成橡胶。对热和氧引起的老化防护效果不错,但对屈挠老化防护效果较差。需与防老剂AW或对苯二胺类抗氧剂配合使用,是制造轮胎、胶管、胶带、电线等橡胶制品常用的防老剂。
Executive standard: GB/T8826-2011
project | standard value |
Appearance | Amber to brown granular or flaky |
Softening point /℃ | 80.0-100.0 |
Ash% ≤ | Zero point five zero |
Heating reduction% ≤ | Zero point five zero |
[performance]
Light yellow or white powder crystal. Bitter. The proportion of 1.42 + 0.02. Soluble in ethanol, acetone and ethyl acetate, insoluble in petroleum ether, dichloromethane, insoluble in carbon tetrachloride, benzene and water. Non-toxic。
[application]
Antioxidant RD is mainly used as rubber antioxidant. Suitable for natural rubber and nitrile butadiene, ethylene propylene and chlorine, synthetic rubber, etc.. The heat and oxygen aging protection effect is excellent, but the flex aging protection effect is poor. With the use of antioxidant AW or with two of benzene amine antioxidant, is the manufacture of tires, rubber hose, rubber belt, wire and rubber products such as the commonly used antioxidant.