在情趣店上班被爆cao翻了,精品www日韩熟女人妻,免费无码又爽又刺激,k频道国产在线观看

Products

3,3'-Diamino Diphenyl Sulphone
CAS NO. 599-61-1
Category Intermediates for advanced composit materials
Chemical Name 3,3'-Diamino Diphenyl Sulphone
Molecular Formula C12H12N2O2S
Molecular weight 248.30
Structure
Standard Company standard
Packing 25kg kraft paper bags or as per reruirements
Specifications Appearance:White crystalline or powder
Assay: ≥99.0% MIN
Melting point: ≥171
Loss on drying: ≤0.5%
Application Material for curing agent for epoxy resin and also important monomer for polysulfonamide fibre(PSA)
主站蜘蛛池模板: 西峡县| 贡嘎县| 德江县| 青海省| 桃江县| 喀喇| 临漳县| 轮台县| 浪卡子县| 五河县| 巴塘县| 铜梁县| 旬阳县| 离岛区| 奎屯市| 株洲市| 德江县| 项城市| 甘孜县| 河南省| 南通市| 祁门县| 乾安县| 海淀区| 大埔区| 济阳县| 平顺县| 墨脱县| 嘉善县| 同德县| 阿克苏市| 凤凰县| 尚志市| 罗城| 大渡口区| 吉安市| 博乐市| 扬州市| 吉木萨尔县| 拜泉县| 洛宁县|