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Chemfine International Co., Ltd.

Light Stabilizer 622, Poly(4-Hydroxy-2 2 6 6-Tetramethyl-1-Pip, Bw-10ld (622) manufacturer / supplier in China, offering [65447-77-0]Light Stabilizer 622, Ce/ ISO Powdered Free Nitrile Disposable Glove, Man`S Cycling Glove and so on.

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Supplier Homepage Product Additives [65447-77-0]Light Stabilizer 622

[65447-77-0]Light Stabilizer 622

FOB Price: Get Latest Price
Min. Order: 200 kg
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Light stabilizer 622
  • Classification: Chemical Additives
  • Appearance: Powder
  • Ppearence: White Powder
  • Efficacy: Stabilizer
  • Type: Stabilizers
  • Color: White
Product Description
Specifications
1. Factory direct
2. Competitive price& quality
3. Prompt delivery
4. Perfect after-sale service
UV-622(Oligomeric Hindered Amine Light Stabilizer)

Chemical name: Butanedioic acid, dimethylester, polymer with 4-hydroxy-2, 2, 6, 6-tetramethyl-1-piperidine ethanol

Introduction: UV-622 is the light stabilizer of choice for all applications calling for low volatility and minimal migration, imparting good light stability for plastics and other organic polymers. UV-622 is highly effective in polyacetals, polyamides and polyurethane applications.

Empirical Formula:

CAS NO: 65447-77-0

Structure:

Physical Properties
Molecular Weight: M n =3100-4000
Appearance: White to slighty yellow powder
Melting Range: 50-70 ° C
Flashpoint: >250 ° C
Specific Gravity(20 ° C): 1.22 g/cm3

Volatility Pure substance; TGA, heating rate 20 ° C /min in air

Applications
622 is the light stabilizer of choice for all applications calling for low volatility and minimal migration, because of its oligomeric structure with high molecular weight. Furthermore YS 622 is effective as antioxidant and contributes significantly to the long term heat stability of polyolefins and tackifier resins. 622 areas of application include polyolefins (PP, PE), olefin copolymers such as EVA as well as blends of polypropylene with elastomers.
In addition 622 is highly effective in polyacetals, polyamides and polyurethane applications.

Solvent

Solubility

Acetone

4%

Chloroform

40%

Ethanole

0.08%

Ethyl Acetate

3.0%

n-Hexane

<0.01%

Methanol

0.05%

Methylene Chloride

40%

Toluene

15%

Water

1.6mg/L

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