B-2622 Aliphatic Polyurethane Acrylate Oligomer

B-2622 is a bifunctional polyurethane acrylate with large molecular weight, containing the monomer IB0A. It is water-white and transparent, has small curing shrinkage, good adhesion, good stretchability, and good transparency of the cured film.

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Model:
B-2622
Brand:
Bossin

Product Description

Product specifications：

Items	Specification	Testing methods
Appearance	Clear liquid	Visual inspection
Color（APHA）	≤50	GB/T 3143-1982 (Platinum-Cobalt Method)
Viscosity（cps/60℃）	45000-70000	GB/T 2794-2013
Acid Value（mgKOH/g）	≤2.0	GB/T 6743-2008
Specific Gravity（g/cm3）	0.99±0.02	GB/T 6750-2007
Refractive Index（25℃）	1.453±0.005	GB/T 614-2006
Efficient Content（%）	100	Theoretical values
Functionality	2	Theoretical values

Characteritics：

Large molecular weight
Good stretchability
Curing shrinkage low
Adhesion good
Cured film with good transparency

Applications：

Liquid optical clear adhesive (LOCA)
UV adhesive

Shelf life：

Store at room temperature sealed away from light, shelf life: 6 months.

Packaging：

20L Packing Drum & 200L Packing Drum.