Light stabilizer 770 (Tinuvin)

Light stabilizer 770 (Tinuvin)

Chemical name: bis (2.2.6.6-tetramethyl-4-piperidine) sebacate

Molecular formular:C28H52O4N2

Molecular weight:480.73

Product index:

Appearance:white or light yellow crystal powder

Content:99.5%min

Melt point:80-86

Ash0.1%max

Volatile0.2%max(105 2hr)

Toxicity:LD50>5000mg(small white mouse acute toxicity inspect)

Rate of light: 425nm>95%10g/ 100ml toluene 500nm>97%10g/ 100ml toluene

Application: The product is a kind of hinder amine type light stabilizer of high effect low toxicity, it apply to polye ect. Plastic. Not only it can enhanced heat-proof performance to be used with anti-oxidant, but also can increase the lightproof effect because of the ethylene and polypropylene plastic product, having remarkable anti-light oxidation and anti-air oxidation performance to polypropylene and high density polyethylene compare with general ultraviolet rays absorbent or quenching agent(nickel chromium compound), moreover, it works on polystyrene HTPS, ABS resin and polyurethane cooperative effect together with ultraviolet absorbent.

Reference use level: 0.3-0.5 PHR: apply to oilpaint and coating, it can increase or decrease according to suitable dosing, (the saying reference usage is just the result of test, the customer should adjust according to their actual need, the reference doesnt has any sense of law)

Attention: Dont add acid sulphur compound so as to avoid counteracting the function of anti-light oxidation.

Packing: 25kg plastic bags or 20kg fiber drums.

Storage and shipment: the product is not dangerous product, it can be transported according to ordinary chemicals.

Store it keeping off damp, heat and water.