欧美另类极度残忍拳头交-2021最新久久久视精品爱-国产美女在线观看-aaaa欧美高清免费|www.1j1l.com

PCE
Product Center
PCE
Chemical name:Tetrachloroethylene
The molecular formula:C2CL4

Physical & chemical properties: Under normal temperature and pressure, the product is a colorless liquid with a scent of chloroform. It has a melting point of -22.2℃, a boiling point of 121.2℃, and a relative of 1.615~1.625 g/cm3;It is insoluble in water and soluble in many organic solvent as ethanol, ether and etc.

Application: It is mainly used as organic solvent, dry cleanser and meta degreaser as well as anthelmintic. It can be applied to all kinds of nature and Synthetic fabrics as a dry cleanser, and the fabric will be soft, glossy, odorless, fadeproof, in shape and free of damage after being washed. It can also be used as fatty extractant and the raw material for HCFC-123, HCFC-124, HCFC-123, HCFC-134a and etc.

Storage & Transportation: The product is packed in 200L galvanized steel drums

Packing specifications: 300kg/Drum

Technical specifications:

Description

Unit

Type Ⅰ

Type Ⅱ

Appearance

/

Colorless and clear liquid

Mass fraction of perchloroethylene

%

≥99.90

≥99.90

Moisture

%

≤0.005

≤0.005

Acidity(as HCL)

/

≤0.02

≤0.01

Chroma(Pt-Co)

/

≤15

≤15

Mass fraction of evaporated residue

%

≤0.005

≤0.005

Volume of copper corrosion

mg/cm2

≤0.50

≤1.0

Residual odor

/

Free from foreign odor

Free from foreign odor