SKYBON EW-312 Saturated Polyester Resin

                       

Performance

parameter

unit

value

Appearance

transparent particles

Molecular weight

15,000

viscosity

Dl/g

0.45

glass transition temperature

60

softening point (℃)

160

acid value

KOH mg/g

3~5

hydroxyl value

KOH mg/g

5~10

Application
Water-based paper coating, varnish (OPV)
Water-based ink binder
Water-based adhesive

Features
    Good waterproof performance, pulp regeneration
Excellent adhesion
    Good heat resistance and durability
FDA approved (CFR 175.300 and 177.1630)

Dissolving method
EW312 25~30%
Ethylene glycol monobutyl ether 8~10%
pure water 60~67%
Put pure water and ethanol monobutyl ether or DPM (dipropylene glycol monomethyl ether) in the reactor; While stirring, put in EW-312.
Dissolving temperature: 80~90℃
Dissolving time: 3~5 Hours
Solution Viscosity: ~200 Cps

Performance of varnish made from EW-312

parameter

value

Remarks

coating film thickness

1.5-2.5um

water permeability

400-600g/m².day

EW312 25~30%
Ethylene glycol monobutyl ether 8~10%
pure water 60~67%
Put pure water and ethanol monobutyl ether or DPM (dipropylene glycol monomethyl ether) in the reactor; While stirring, put in EW-312.
Dissolving temperature: 80~90℃
Dissolving time: 3~5 Hours
Solution Viscosity: ~200 Cps

Performance of varnish made from EW-312

parameter

value

Remarks

coating film thickness

1.5-2.5um

water permeability

400-600g/m².day

gloss, 60°

75-85

Anti-swimming (sec)

600at2um 1200at10um

ASTM D722

Water resistance (sec)

300+

water drop test

Packaging
Particles: 25kg/pack
Solvent: 20kg/can or 200kg/can

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gloss, 60°

75-85

Anti-swimming (sec)

600at2um 1200at10um

ASTM D722

Water resistance (sec)

300+

water drop test

Packaging
Particles: 25kg/pack
Solvent: 20kg/can or 200kg/can

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemhdi.com/archives/2041

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