Sell Light stabilizer 944

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)
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 structure and large molecular weight( 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‰