Sinolstab® UV-791 / HALS 791 / Light Stabilizer 791 / Tinuvin 791

Chemical Name: Tinuvin 791

Other names: UV Light stabilizer 783 (compound light stabilizer)

CAS No.: 70624-18-9 (944) + 52829-07-9 (770)

Appearance: White with light yellow granular

Chemical formula: [C35H66N8]n (n=4-5); C28H52O4N2

Sample: available

Description

Sinolstab® UV-791 / Tinuvin 791 / Light stabilizer 791

Item

Specifications

Appearance

White with light yellow granular

Melting range

80-130℃

Volatilizing

Max.0.50%

Solubility @20℃

Water

Insoluble

Alcohol

Soluble

Benzene

Soluble

Acetidin

Soluble

Transmittance

425nm:

≥90.0%

500nm:

≥95%

Ash

≤0.1%

Relative density

1.11g/cm3

Tinuvin 791 Structure

Tinuvin 791 Structure

What is Tinuvin 791 (Light stabilizer 791) ?

Tinuvin 791 is a synergistic mixture of Chimassorb 944 and Tinuvin770.  Co-polymerized HALS with excellent and long lasting stabilizing effect against light and heat; low volatility; hardly extractable.

Tinuvin 791 (UV Light stabilizer 791) usage

1. Light stabilizer 791 particularly suitable for thick products of PP, PP/EPDM, and PP/PE/EPDM co-polymers and PP and HDPE tape, providing great surface protection.

2. Light stabilizer 791 concentrations range between 0.1 % and 1.0 %, depending on the substrate, processing conditions and application.

3. Light stabilizer 791 can be used in home appliances, rain-proof cloth, plastic woven bag, container bag, geotextile, artificial grass, insect-proof net, automobile.

Tinuvin 791 (UV Light stabilizer 791) Packaging and Shipping

Package: 25kg carton inner with plastic bag or as customer`s requirement.

 

Tinuvin 791 (UV Light stabilizer 791) Storage

Storage: Keep container tightly closed in a dry and well-ventilated place.

 

Tinuvin 791 (UV Light stabilizer 791) Safety

In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Avoid dust formation and ignition sources.

Note: Avoid sunlight, humidity, high temperature, avoid contact with stabilizers, flame retardants or pesticides containing sulfur or halogen elements, etc., test before use.

 

Same series products

HALS 119 / LIGHT STABILIZER 119 / CHIMASSORB 119

106990-43-6

HALS 123 / LIGHT STABILIZER 123 / TINUVIN 123

129757-67-1

HALS 622 / LIGHT STABILIZER 622 / TINUVIN 622

65447-77-0

HALS 770 / LIGHT STABILIZER 770 / TINUVIN 770

52829-07-9

HALS 783 / UV LIGHT STABILIZER 783 / TINUVIN 783

HALS 791 / LIGHT STABILIZER 791 / TINUVIN 791

HALS 944 LIGHT STABILIZER-944 CHIMASORB 944

70624-18-9 / 71878-19-8

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