Caibo

UV-P Ultraviolet Absorber (Domestic)

UV Absorber UV-P

Functional Additives| UV absorber
UV-P Ultraviolet Absorber (Domestic)

Basic Specifications

Product NameUV-P Ultraviolet Absorber (Domestic)
English NameUV Absorber UV-P
CAS Registry Number2440-22-4
Molecular formulaC13H11N3O
Molecular Weight225.3
Product CategoriesFunctional Additives
Product LineUV absorber
AppearanceWhite to light yellow crystalline powder
Density1.38 g/cm³

Product Features

  • Efficient UV absorption — Effectively absorbs 270–380nm UV light, peaking at 343nm
  • Absorbs almost no visible light — ideal for colorless, transparent, and light-colored products.
  • Excellent compatibility — compatible with multiple resins, low risk of blooming
  • Good thermal stability — low volatility, stable during processing
  • Low dosage — thin parts: 0.1–0.5%, thick parts: 0.05–0.2%

Application Areas

PVCPolyolefinsEngineering Plasticsunsaturated polyester resinPolyurethanePaint

App Data

Applicable SystemsRecommendationBehavior Description
PVC (Rigid)✅ RecommendedUsage: 0.2–0.5%
PVC (Plasticized)✅ RecommendedUsage: 0.1–0.3%
PE / PP✅ RecommendedUsage: 0.1–0.5%
PC / PMMA✅ RecommendedSuitable for transparent products
ABS✅ RecommendedSuitable for light-colored items
Unsaturated polyester✅ RecommendedUsage: 0.2–0.5%
polyurethane✅ RecommendedUsage: 0.2–1.0%
Epoxy resin✅ RecommendedUV protection effective
Usage Notes⚠️ Use with CautionAdd 0.1–0.5% for thin products and 0.05–0.2% for thick products. Recommend customers adjust dosage based on product thickness and weathering requirements.

Notes

  • Please test with a sample first to confirm the optimal dosage and heat resistance conditions.
  • The powder color chart may differ from the final product color. Please refer to the actual colored result.
  • Evaluate weather resistance for long-term outdoor exposure.

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