一区二区三区在线观看视频-亚洲天天干-不卡av在线播放-超碰97在线播放-在线激情-玖玖爱国产-日韩精品视频观看-日韩一级淫片-大陆熟妇丰满多毛xxxⅹ-天天爱天天插-欧美日韩爱爱-国产小视频在线看-欧美成人tv-直接看毛片-国产欧美大片-青青草成人免费-狠狠干女人-亚洲欧美日韩国产一区-国产在线观看免费av-国产aaa大片-三级视频网站在线观看-在线成人欧美-久久久久99精品成人片我成大片-蜜桃av久久久亚洲精品-国产又爽又黄的激情精品视频-色婷婷久久五月综合成人-欧美日韩一区二区区-精品久久久久久久久久中文字幕-欧美性受xxxxxx黑人xyx性爽-sm暴露重口调教麻麻

Ningbo Jinhai ChenguangChemical Corporation.
Service Tel:+86-574-8765 3737
  1. Home >>> PRODUCTS CENTER >>> C5?Liquid Chemical Products

ISOPRENE

    ISOPRENE

    Molecular  Formula：

    C5H8    H2C﹦C(CH3)CH﹦CH2

    Specification：

    Number

    Item

    Polymer  Grade

    Chemical  Grade

    1

    Appearance

    Transparent  and no mechanical admixture

    2

    Color(Pt-Co)No

    ≥99.5

    ≥98.5

    3

    Content

    ≤0.2

    4

    Isoprene dimer

    Balance

    5

    Paraffins and  monoene

    ≤0.0005

    6

    Dicyclopentadiene

    ≤0.0050

    7

    m-pentadiene

    ≤0.0080

    8

    DMF

    ≤0.0010

    9

    Sulphur

    ≤0.0005

    10

    Oxo-compound

    ≤0.0010

    11

    Water

    ≤0.020

    ≤0.030

    12

     TBC1,%  

    0.0040～0.0200


    Properties:

    1. This product is colorless or yellowishtransparent flammable liquids.

    2. Specific gravity: 0.6806;

    3. Melting point: 147.7 ℃;

    4. Boiling point: 34.1 ℃;

    5. Flash point: 53.89 ℃;

    6. Spontaneous combustion point: 220 ℃;

    7. explosion limit (V/V) : 1.5% to 9.7%.

    Usages:

    Isoprenerubber, SIS elastic cpolymers, Butyl rubber, Spices, pesticide, medicine.


        
Brand