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B-2621 Aliphatic polyurethane acrylate

B-2621 is a bifunctional polyurethane acrylate with large molecular weight and no monomer. It has good adhesion to plastic substrates such as PC/PVC/PET/PMMA; it has low curing shrinkage, good flexibility, and the cured film has a long Good stretchability, strong acid and alkali resistance.
Availability:
Quantity:
  • B-2621

  • Bossin

Product Specifications:

PropertyIndicators
AppearanceClear liquid
Color (APHA)≤50
Active Ingredient (wt%)100
Viscosity (cps/30oC)20000-45000
Acid Value (mgKOH/g)≤2.0
Specific Gravity (g/cm3)1.05±0.02
Refractive Index / 25oC1.492±0.005
Functionality2

Characteritics:

  • Large molecular weight

  • Adhesion on plastic good

  • Flexibility good

  • Low curing shrinkage

  • Resistant to strong acids and alkali

Applications:

  • Odorless UV adhesiv

Storage Guidelines:

  • Store at room temperature and keep in dark place.

  • This material should not be stored for more than 6 months.

Package Information:

  • 20L、200L

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