化学名称： n.n"－2－β基对; n,n-二-（β-基）对英文名称： n.n"－di－β－naphtge－p－phenylenedaminechemical name:n,n-di-β-naphthy1-p-phenylenediamine分子量： 360.46molecular weight: 360.46用途： 本品为橡胶和塑料加工的重要低毒性抗氧剂之一，耐热，抗老化，抗铜、锰等有害金属性能特性appearance:light grey bright pieces crystal.if it is exposed to light for a long time,it will red ,even dark grey.质量标准(quality standard)：1.外观(appearance): 灰白色粉末(grey powder)2.初熔点(干品)≥225℃ (early melting):point(dry basis):not less than 225℃3.灰粉含量≤0.50% ash content:not more than 0.50%4.b-粉含量≤0.30% β-naphthol content:not more than 0.30%5.加热减量≤0.50% heat deceleration:not more than 0.50%6.细度: 1600孔/平方厘米 筛余物≤0.50% fineness:not less than 99.5%(pass through the sifter with 1600 hole/cm2) 导购推荐 型号 4010 品牌 南化 产品规格 20公斤/袋 主要用途 防止橡胶老化