老湿亚洲永久精品ww47,欧美性猛交XXXX黑人猛交,午夜精品一区二区三区在线观看,青青久在线视频免费观看,久久精品免费一区二区三区,亚洲AV永久纯肉无码精品动漫,国产又色又爽又刺激在线观看,日韩一区二区三区无码视频,亚洲美女搞黄视频,欧美丰满熟妇XXXX


    PBN (D) PBN (D)


    Chemical nameN-Phenyl-β-Naphthylamine
    Molecular formulaC16H13N
    Molecular structure: 
                   
    Molecular Weight:219.29   
    CAS NO.:135-88-6
    Executive standard:Q/08HHO19-2003 
    Specification:

    Item

    Index

    Appearance:

    Gray to grayish red powder allow with yellow

    Soften Point,0oC                      ≥

    105.0

    Loss on drying,%                  ≤

    0.20

    Ash,%                                ≤

    0.20

    Screen residue (150meshes),%≤  

    0.20

    phenyl amine content

    No blue and purple reaction by testing

    Magnet object content ,%   ≤

    0.008

    Properties: Light gray powder, the temperature of 108 ° C, the boiling point of 395.5 ° C, the relative density of 1.18. Extreme soluble acetone, ethyl acetate, methyl chloride, benzene, carbon disulfide, soluble in alcohol, carbon tetrachloride, is not soluble in water and petrol. Exposure to the air and sunlight will gradually become red ash.

    Applications: The product is mainly used for natural and synthetic. Used in tyres, rubber belts, rubber shoes and so on.

    Packing: Polypropylene knitted bags lined with polyethylene bags.Net weight 25kg per bag.

    Properties: The product should be stored in the dry and cooling place with good ventilation . The product should be avoid hot sunshine.





      Next product: MBT(M)

    欧美黑人熟妇高潮喷水| 国产精品无码一二三区免费| 亚洲精品国产电影| 日韩欧美一区二区精品久久第一页| 久久综合狠狠色综合伊人| 国产AV成人精品播放| 无遮挡又粗又大又黄在线视频| 中文字幕av一区二区三区高| 人妻无码一区二区三区av| 2020精品极品国产色在线| 日韩一二三区免费视频春色AV| 国产成人AⅤ片在线观看免费| Aa无码人妻一区二区三区 | 国产偷亚洲偷欧美偷精品| 窝窝无码一区二区三区| 美女18一级毛片免费看| 中文字幕在线不卡| 亚洲国产欧美在线人成APP| 欧美日韩专区麻豆精品在线| 夜夜躁狠狠躁2021| 日本人妻与黑人视频播放| 亚洲成AV人综合在线观看| 亚洲综合色自拍一区| 久久久久女人精品毛片九一| 91精品啪在线观看国产电影| 国产强伦姧在线观看午夜| 久久99精品久久久久久无毒不卡| 欧美久久久久久免费国产精品中文字幕| 国产亚洲蜜臀AV在线播放| 日韩在线视频观看免费网站| 国产精品久久久久久久精品| 亚洲AV香蕉一区区二区三区| 国产精品老熟女露脸视频| 精品国产AV无码一区二区三区| 狠人精品人人妻久久久久久人人爽| 亚洲欧美日本国产综合一| 成人区人妻精品一区二区三区| 成全免费看高清电影| 丰满人妻熟妇乱又伦精品| 一本大道久久a久久精品综合1| 香蕉eeww99亚洲深夜日综|