Toluene diisocyanate manufacturer Knowledge BYK DISPERBYK 171 Wetting and Dispersing Additive

BYK DISPERBYK 171 Wetting and Dispersing Additive

BYK DISPERBYK 171 Wetting and Dispersing Additive

DISPERBYK -171

Pigments used in the production of unsaturated polyester resin systems and gel coats Wetting and dispersing additive for concentrates.

Chemistry Composition

High molecular weight block copolymer solution containing pigment affinity groups

Typical Materialized data

The data given on this data page are only typical values, not the technical indicators of the product.

Non-volatile content (120 min., 105 °C) 39.5%
acid value 13 mg KOH/g
Density (20 °C) 1.02 g/ml
solvent Propylene glycol methyl ether acetate/butyl acetate Ester 4/1
Flashpoint > 35 °C

Storage and shipping

At temperatures below 5 °C, stratification or clouding may occur. Warm to 20 °C before use and stir well.

Apply Domain

room temperature Curing Resin System

Product features and advantages: DISPERBYK-171 stabilizes the pigment through steric hindrance Deflocculation. Due to the small particle size of the deflocculated pigments, the color strength can be improved. In addition, the pigment content can be increased due to the reduced viscosity. DISPERBYK-171 prevents color flooding even when used in complex pigment/colorant combinations or in difficult-to-adjust colours.

Recommended Purpose

Specially recommended for the manufacture of pigment concentrates used in gel coats; also recommended Stabilizes pigments in gel coats.

Suggestions Dosage

Auxiliary dosage (purchase form) based on pigment:

Inorganic pigment 10-18%
titanium dioxide 4-6%
Organic Pigments 35-60%
Carbon black 70-120%

The above recommended dosage is for reference, the optimal dosage needs to be determined through a series of experiments .

Join Methods and processing instructions

For best performance, DISPERBYK-171 should be added slowly to the in the resin. Pigments should only be added after the additive has been dispersed homogeneously. The dispersion process can then begin, and finally more resin can be added if necessary.

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