Light stabilizer770
June 8, 2020

Light stabilizer 944


Chemical name:
CAS NO: 70624-18-9
Molecular formula: [C35H64N8]n (n=4-5)
Chemical structure:

Appearance: white powder or granule
Light transmittance: ≥93 %(425nm)
≥95 %(450nm)
Volatile matter : ≤1.0%
Ash: ≤0.1%
Molecular weight(Mn ):2100-3000
Softening point : 110°C -130°C
Bulk density: 548-646 ( g/L )
Relative density: 1.01(20°C)
Content(HPLC) :≥99.0%
Weight loss temp. : > 270°C
Solubility: .Soluble in organic solvents, slight in methanol, insoluble in water
Introduction: It is one kind of high molecular Light stabilizer , with multiple functional groups. It can be used in low density PE film, PP tape, EVA film, ABS, PP fiber, PPE, polyacetals, polyamides, polyurethanes, PVC, PVC blending material, polystyrene , rubber and viscose, It can work with UV adsorbent because its special structutre and large molecularweight( 3000,). It also can be used in film and fiber. also can be used as antioxidant and heat stabilizer of polymer, The dosage of agricultural film is 2‰
Cautions : S or halogen may offer bad effects , or some stabilizer, insecticide and fire retardant may react with 944. Please test before use.
Packing & Storage: Avoid high temp. and moisture。
specifications of packing: 25KG composite paper bag ;25KG paper box (w40cm*l60cm*h25cm); 25KG carton (dia36cm*h50cm), or following your demand

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