Sinomer® UVU6290

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Sinomer® UVU6290

Aliphatic urethane acrylate, Polyurethane Modified Acrylate, Resin for Phototherapy nail polish gel

SINOMER® UVU6290 is a difunctional aliphatic urethane acrylate oligomer. It is designed to offer an excellent balance of flexibility, non-yellowing properties, and adhesion to various substrates, particularly plastics. This product features good water resistance, excellent weatherability, and low odor, making it suitable for high-performance UV-curing applications.

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SINOMER UVU6290


  • Ingredient: Aliphatic Urethane Diacrylate

  • Types : Difunctional aliphatic amino ester

  • Supply form:   100% Resin


General information :

SINOMER® UVU6290 is a difunctional aliphatic urethane acrylate oligomer. It is designed to offer an excellent balance of flexibility, non-yellowing properties, and adhesion to various substrates, particularly plastics. This product features good water resistance, excellent weatherability, and low odor, making it suitable for high-performance UV-curing applications.

技术指标 :
检验项目 (Item) 指标要求 (Specification)
外观 (Appearance) Colorless viscous transparent
Color (Fe-Co) ≤ 1
Viscosity (cps/40℃) 70000-90000 (NDJ-79 type viscometer)
NCO (%) 0
Functionality 2
Refractive index (25℃) 1.483±0.005
Density (g/cm3) 1.12±0.02
产品特点 :
  • Excellent Non-Yellowing Performance: Due to its aliphatic structure, it maintains color stability upon and after UV exposure.

  • Good Flexibility: Provides outstanding elasticity and crack resistance to the cured film.

  • High Water Resistance: Exhibits excellent resistance to boiling water, ensuring film integrity.

  • Superior Weatherability: Resists degradation from UV light and environmental factors.

  • Low Odor

  • Good Adhesion: Promotes strong adhesion to various substrates, including plastics (PC, etc.) and metal layers.

  • The polymerization inhibitor (MEHQ for example) can be controlled within 50ppm, which is suitable for skin contact areas such as nail polish.

Application Examples :
检验项目 (Item) 指标要求 (Specification)
Primer for PC Mobile Phone Case (Vacuum Metallization)
UVU6290 8 Coating Properties
UVE3102* 20
Leveling Excellent
TMPTA 18
Pencil Hardness B
EA 45
Adhesion (to PC substrate) 100/100
DAA 5
Adhesion (to Aluminum layer) 100/100
PI-1173 4.3
Resistance to Boiling Water 100/100
Leveling Agent 0.2
Solids content 50
Viscosity (NK 2#, s) 9.8
Viscosity (Tu 4#, s) 13.5
Process
PC mobile phone case → Primer spraying → Flash off solvents (60°C, 4 min) → UV curing (600 mJ/cm²) → Vacuum metallization with aluminum → Topcoat spraying → UV curing (600 mJ/cm²)
包装 :
  • 20kgs/50kg or 200kg/drum.

贮存 :

存放在干燥、阴凉、通风良好的库房内。

避免受光照和高温加热。

运输过程中做好防漏、防雨与防暴晒保护。


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