UV Absorber UV-328

Brevis descriptio:

UV 328 aptum est polyolefin (praesertim PVC), polyester, styrene, polyamide, polycarbonato et aliis polymerorum.


Product Detail

Product Tags

Nomen chemicum:2-(2′-Hydroxy-3′,5′-dipentylpheny) benzotriazole
CAS NO.:25973-55-1
Formulae hypotheticaeC22H29N3O
M. Pondus351.48516

Specification

Aspectus: albus ut lux flavo pulveris
Content: ≥ 99%
Punctum liquescens: 80-83°C
Damnum in siccitate: ≤ 0,5%
Cinis: ≤ 0,1%
Lucis transmissio :440nm≥96%, 500nm≥97%

Applicationem

Productum hoc maxime adhibetur in polyvinylo chloride, polyurethane, polyester resina et aliis. Max effusio fluctus longitudo range 345nm est.
Toxicity: humilis toxicitas et usus in materia sarcina cibi.

Usage

1.Polyester unsaturated: 0.2-0.5wt% secundum pondus polymerum
2.PVC:
Rigidum PVC: 0.2-0.5wt% secundum pondus polymerum
Plasticized PVC: 0.1-0.3wt% secundum pondus polymerum
3.Polyurethane: 0.2-1.0wt% secundum pondus polymerum
4.Polyamide: 0.2-0.5wt% secundum pondus polymerum

Sarcina et at

1.25kg carton
2.Condita obsignata, arida et obscura conditiones


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