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B-451 Aliphatic polyurethane methacrylate

B-451 is a bifunctional polyurethane methacrylate with large molecular weight, no monomer, small curing shrinkage, good flexibility, and the cured film has good stretchability. It can enhance the strength and elasticity of the coating through thermal curing.
Availability:
Quantity:
  • B-451

  • Bossin

Product specifications

Items

Specification

Testing methods

Appearance

Clear liquid

Visual inspection

Color(APHA)

150

GB/T 3143-1982

(Platinum-Cobalt Method)

Viscosity(cps/25℃)

15000-35000

GB/T 2794-2013

Acid Value(mgKOH/g)

≤2.0

GB/T 6743-2008

Specific Gravity(g/cm3

1.01±0.02

GB/T 6750-2007

Refractive Index(25℃)

1.476±0.005

GB/T 614-2006

Efficient Content(%)

100

Theoretical values

Functionality

2

Theoretical values

Characteritics:

  • Large molecular weight

  • No monomer

  • Low curing shrinkage

  • Good flexibility

  • The cured film has good tensile property, and the strength and elasticity can be strengthened by thermal curing

Applications: 

  • UV adhesive

  • 3D printing

  • UV elastomer

  • Dual curing system

Shelf life:

  • Store at room temperature sealed away from light, shelf life: 3 months.

Packaging:

  • 20L Packing Drum.


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