久久国产加勒比精品_中文字幕无码综合第二页_不卡的无码av免费在线观看_漂亮人妻被强中文字幕下载_日韩乱日韩乱妇31_国内精品成人在线观看_?惠民福利亚洲欧美日韩成人综合网_国产亚洲综合在线_jk制服AV网站免费进_女被男啪到哭免费视频

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