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Les stabilisateurs à la lumière amine encombrée (HALS) protègent les polymères de la dégradation due à l'exposition aux UV en les neutralisant. Les HALS se régénèrent pendant la neutralisation et continuent de fournir une protection pendant toute la durée de vie du produit final. Ils agissent également comme antioxydants primaires avec une faible génération de couleur.
Property |
Typical value |
|
Appearance |
white or pale yellow powder |
|
Transmittance |
425nm |
≥ 97% |
500nm |
≥98% |
|
Content(HPLC) |
≥99.0% |
|
Volatile |
≤0.5% (105℃. 2hrs) |
|
Ash |
≤0.1% |
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.