HDI Manufacturer | HDI Factory | High Quality HDI Products – chemhdi.com Knowledge SH-2857 Oil-based two-component curing agent is suitable for automotive refinish coatings and plastic high-solid and low-viscosity two-component systems

SH-2857 Oil-based two-component curing agent is suitable for automotive refinish coatings and plastic high-solid and low-viscosity two-component systems

Type: Solvent-based polyurethane two-component curing agent

Application: This product is a solvent-based weather-resistant coating Excellent crosslinking agent, suitable for automotive refinish coatings and plastic high-solid low-viscosity two-component systems. It is especially recommended to be used in combination with hydroxyl resins to make polyurethane coatings, which have good weather resistance, chemical resistance and very fast drying speed.

Product Specifications:

physical properties

value

Solid content (%)

75

NCO content (%)

16

Appearance

colorless watery liquid

acid value (mgKOH/g)

10

Viscosity (23℃, mPa.s)

225

density g/cm3

1.20

Solubility/Dilution:

Generally with organic solvents such as: ester Classes, ether esters, xylene and solvent naphtha 100 have good compatibility. However, in any case the solubility/miscibility of the prepared solution must be tested. Polyurethane grade solvent should be used (moisture content <0.05%), and the diluted solid content should not be lower than 40%.

Save:

Should be at 5o C and 30o C. Storage temperature, store indoors in original unopened and undamaged container in a dry place out of direct sunlight.

Shelf life:

Under the specified storage conditions, The expected shelf life of this product is 270 days based on last year’s quality control date as indicated in the Certificate of Analysis.

Material Safety:

A Material Safety Data Sheet for this product is available upon request.

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