DESCRIPTION
Non-toxic, tasteless liquid, More activity than 203 because it have lively Si-H in the middle radical of Molecular structure , even it is very important reactivity intermediate , also the water repellency£¬moisture-proof are as same as 202,203.
STRUCTURAL FORMULA
CH3 CH3 CH3
H¡ªSi¡ªO¡ªSi¡ªO¡ª¡ªSi¡ªH
CH3 CH3 CH3
Technical indicators
|
viscosity£¨25¡æ£¬mpa.s£© |
Mol. wt |
H% |
density |
Refractive index |
|
2-3 |
500-600 |
0.5 |
0.90 |
1.395 |
|
100 |
6000 |
0.04 |
0.97 |
1.403 |
|
500 |
17200 |
0.01 |
0.97 |
1.403 |
|
1000 |
28000 |
0.007 |
0.97 |
1.403 |
|
10000 |
62700 |
0.003 |
0.97 |
1.403 |
Volatile contents ¡Ü10%
purpose
1. hydrosilylation of basic raw materials it was used all kinds of end-reactive linear modified silicone.
2. it¡¯s the key intermediate of the block copolymerization .
3. can be used as plus liquid silicone rubber¡¯s chain extender, plus hot forming curing agent ¡®s crosslinker, improve product¡¯s elongation at break, increase in toughness, reduced the hardness.
4. the beginning of raw material of the organic polymer modified materials, commonly used in resin¡¯s modified reaction.
5. moisture-proof
Packaging, storage and precautions
Packed with 200KG and 50KG polyethylene plastic drum,
Stored in a dry place. avoid touch with acid and alkali. store more than one year. According to the standard review if extended. if pass can still be used. this product is a non-dangerous goods.
|
