Tetrachloroethylene Perchloroethylene CAS:127-18-4

Perchloroethylene, also known as perchloroethylene, is an organic compound with the chemical formula C2Cl4 and is a colorless liquid.

Chinese name: tetrachloroethylene
Foreign name: tetrachloroethene
Alias: perchloroethylene
Chemical formula C2Cl4
Molecular weight 165.833
CAS No. 127-18-4
EINECS No. 204-825-9
Melting point-22 ?
Boiling point 121 ?
Water solubility
Density1.622 g/cm³
Appearance Colorless liquid
Safety Description S7; S16; S23; S24; S36/37; S45; S61
Hazard symbol Xn
Hazard description R40; R51/53


Physical and chemical properties
Density: 1.622g/cm3
Melting point: -22?
Boiling point: 121?
Refractive index: 1.505 (20?)
Saturated vapor pressure: 2.11kPa (20?)
Critical temperature: 347.1?
Critical pressure: 9.74MPa
Appearance: colorless liquid
Solubility: insoluble in water, miscible in most organic solvents such as ethanol, ether, chloroform, etc.

Uses: Mainly used as organic solvent, dry cleaning agent.
Mainly used as organic solvent, dry cleaning agent, also can be used as solvent for adhesive, degreasing solvent for metal, desiccant, paint stripper, insect repellent, fat extractant, also can be used in organic synthesis.

Storage and transportation:
It should be sealed and stored in dry, cool and ventilated warehouse

Packing:
200KG/drum Storage: it is recommended to store in dry and cool area with proper ventilation. After the original packaging, please fasten the packaging cover as soon as possible to prevent moisture and other substances from mixing and affecting the performance of the product. Do not inhale dust and avoid contact with skin and mucous membranes. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and reuse them after washing. Maintain good hygiene practices.

HDI Low Viscosity AsahiKasei  TUL-100

HDI Low Viscosity AsahiKasei  TUL-100

 

ABOUT:

Product Class: Isocyanate

DURANATE TUL-100 by Asahi Kasei is hexamethylene diisocyanate (HDI) trimer with extra-low viscosity and high NCO content. Acts as a curing agent for urethanes. Exhibits excellent weatherability, good chemical & abrasion resistance, good compatibility and drying properties. Shows excellent color retention and outstanding performance. DURANATE TUL-100 is suitable for automotive, architectural, industrial, consumer electronic and information technology Possible applications could be gravure, offset and screen inks.

Storage and Transportation:

STORAGE: It is recommended to store in a dry and cool area with proper ventilation.

Packaging:

200KG/drum Please fasten the packaging cover as soon as possible after original packaging to prevent the mixing of other substances such as moisture and other substances that may affect the performance of the product. Do not inhale dust, avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and reuse them after washing. Maintain good hygiene practices.

E_mail us sales@newtopchem.com

HDI Low Viscosity AsahiKasei  TLA-100

HDI Low Viscosity AsahiKasei  TLA-100

 

Type?

Aliphatic polyisocyanate based on hexamethylene diisocyanate.

Features?

# High NCO content

# Low viscosity

# Excellent weather resistance

# Excellent Compatibility

# Good coating film appearance

Applications?

# Two-component applications

# Automotive OEM coatings

# Automotive refinishes

# Plastic coatings

Typical properties?

Appearance

Colorless to slightly yellowish clear liquid

Non-volatile

100 wt%

Solvent

None

NCO content

23.5 wt%

Viscosity

500 mPa·s at 25’C

Color value

< 1 (Gardner)

NCO equivalent weight

Approx.180

 

These values provide general information and are not part of the productspecifications.

 

Comparison with Conventional Trimer?

TLA-100

Conv Trimer

Viscosity mPa * s/25?

 500

2,700

NCO content %

 23.5

21.7

Functionality

3.0

3.4

HDI conc. After 50? . 1 month

 Low

 Low

Weather resistance of cured film

Excellent

Excellent

Hardness of cured film

High

High

 

 

Compatibility with polyols?

Mixing ratio of DURANATETM TLA-100 with polyols is based on NCO/OH equivalentratio of 1/1 .

 

 

Development of gel fraction & hardness?

Storage and Transportation:

STORAGE: It is recommended to store in a dry and cool area with proper ventilation.

Packaging:

200KG/drum Please fasten the packaging cover as soon as possible after original packaging to prevent the mixing of other substances such as moisture and other substances that may affect the performance of the product. Do not inhale dust, avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and reuse them after washing. Maintain good hygiene practices.

E_mail us sales@newtopchem.com