B-374 Aliphatic polyurethane acrylate

B-374 is a trifunctional aliphatic polyurethane acrylate. Its aliphatic structure gives the resin excellent yellowing resistance, excellent flexibility and tensile strength, and fast curing speed. In the UV curing formula, the hardness and flexibility of the formula can be adjusted to balance the formula's resistance to boiling, salt spray, high and low temperatures, and hot and cold cycles.

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Model:
B-374
Brand:
Bossin

Product Description

Product specifications：

Items	Specification	Testing methods
Appearance	Translucent liquid	Visual inspection
Color（APHA）	≤50	GB/T 3143-1982 (Platinum-Cobalt Method)
Viscosity（cps/30℃）	12000-18000	GB/T 2794-2013
Acid Value（mgKOH/g）	≤2.0	GB/T 6743-2008
Specific Gravity（g/cm3）	1.13±0.02	GB/T 6750-2007
Refractive Index（25℃）	1.489±0.005	GB/T 614-2006
Efficient Content（%）	100	Theoretical values
Functionality	3	Theoretical values

Characteritics：

Excellent yellowing resistance
Excellent flexibility & tensile strength
Fast curing speed
In the UV curing formula, the hardness and flexibility can be adjusted, and the resistance to boiling, salt spray, high and low temperature, cold and hot cycle of the formula can be balanced.

Applications：

Base coating & Top coating (Metal & Vacuum coating)
PVC surface varnish
UV coating (Paper & Wood)
Printing ink (Cigarette & Wine packaging)

Shelf life：

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

Packaging：

20L Packing Drum & 200L Packing Drum.