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Speedblock 622

Technical Datasheet | Supplied by Lambson (Sartomer)
Speedblock 622 by Lambson (Sartomer) is butanedioic acid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol. Acts as a hindered amine light stabilizer. It can be used alone or with additives such as other hindered light stabilizers and antioxidants. Compatible with polyurethanes, polyolefins, polyacetals, polypropylene and polyamide. Recommended dosage is 0.1-1.2%, depending on the substrate, processing conditions and applications. Speedblock 622 has a shelf life of 2 years.
Product Type
Light Stabilizers / UV Absorbers > HALS, Hindered Amines
Chemical Composition
Butanedioic acid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
CAS Number
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