PRODUCTS
Light Stabilizer UV-622
Details
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Chemical Name |
Butanedioic acid, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol | |||||
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Formula |
H[C15H25O4N]nOCH3 |
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Structure |
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CAS NO. |
70198-29-7 |
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Molecular Weight |
>2500 |
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Specifications |
Appreance |
White powder or light yellow granules |
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Melting Point |
50-70 oC |
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Ash |
≤0.1% |
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Loss On Drying |
≤0.5% |
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Transmittance |
425 nm≥95% 500 nm≥97% |
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Advantage and Application |
Polymerized HALS with high molecular weight, low volatility, low degradation,hardly extractable(by water) or bleachable (bygas),and fine heat stability,working well with AO and UVA;Widely used in PP, PE, PS, ABS, PU, POM, TPE etc. | |||||
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Solubility (20oC:g/100g Solvent) |
Water |
Ethyl acetate |
N-hexane |
Methanol |
Aceton |
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<0.01 |
>50 |
41 |
3 |
>50 |
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Package |
25 KG cartons or drums |
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