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Hexamethylcyclotrisiloxane operation process
1.Deployment ratio: hexamethylene cyclotrisiloxane: compound = 1:1 (mass ratio) mixed evenly, get shrinkage agent.
2.vulcanization: according to the demand will be mixed with good shrinkage agent into silicone rubber mixing uniform, after a period of vulcanization, and then by 180 degrees Celsius an hour of 2 vulcanization.
Storage methods of hexamethylcyclotrisiloxane
Hexamethylcyclotrisiloxane stored in a cool, dry, well ventilated warehouse. Keep away from fire and heat. Keep out of direct sunlight. The package is sealed. It should be stored separately from acids and edible chemicals and should not be mixed. The storage area should be equipped with suitable materials to contain leaks.
Hexamethylcyclotrisiloxane purposes
In addition to the synthesis of general organosilicon polymer, can also be used to prepare specific organosilicon compounds, as a variety of surface treatment agent, coupling agent, crosslinking agent, etc
Hexamethylcyclotrisiloxane technical indicators
1.Appearance: white crystalline solid;
2.quality score /% : ≥98;
3.density: (25℃, g/cm3) : 1.02;
4.melting point: 64.5℃
5.boiling point: 134℃
6.Solubility: soluble
Hexamethylcyclotrisiloxane matters needing attention
Irritates eyes, respiratory system and skin.
Hexamethylcyclotrisiloxane; D3, white crystal, melting point 75℃, shrinkage rate 0.6-0.8%, used for silicone rubber shrinkage treatment.
Specification
Melting Point
|
50-64 °C (lit.)
|
Boiling Point
|
134 °C (lit.
|
Density
|
1.02
|
Refractive Index
|
1.417
|
Flash point
|
95 °F
|
Storage Condition
|
Inert atmosphere,Room Temperature
|
Solubility
|
soluble in most organic solvents.
|
Appearance
|
solid
|
Color
|
White to Almost white
|
Water Solubility
|
may decompose
|
Stability
|
Stable, but moisture sensitive. Incompatible with strong oxidizing agents. Highly flammable.
|
Safety Information
Dangerous Goods Sign
|
F,Xi
|
Hazard Category Code
|
11-36/37/38
|
Safety Instructions
|
26
|
Dangerous Goods Transportation No
|
UN 1325 4.1/PG 2
|
WGK Germany
|
3
|
RTECS
|
GZ4705000
|
Hazard Note
|
Irritant
|
TSCA
|
Yes
|
Hazard Level
|
4.1
|
Packaging Category
|
II
|
HS CODE
|
29319090
|