Dyehouse

TRUPOTAN OX

Basis:

Polyacrylic acid.

Uses:

Upholstery, clothing and shoe upper leathers.

Appearance:

Opaque viscous liquid.

Charge:

Anionic.

Active matter:

Approx. 33 %.

pH 1% Dispersion:

Approx. 3.5.

Acid stability:

Good.

Light fastness:

Excellent.

Heat yellowing:

Excellent.

TRUPOTAN R83 is a polymer retanning agent based on acrylic acid and exhibits good stability even at low pH-values. This imparts good penetration characteristics.

On chrome leather TRUPOTAN R83 imparts excellent filling characteristics and a soft mellow handle. On suede leathers it helps to improve buffing characteristics and helps produce silk sheen effects.

TRUPOTAN R83 like most retanning agents may show a lightening effect upon acid dyestuffs when used prior to the dyestuff addition. It exhausts readily from anionic dye baths. Increases in float temperatures or the addition of formic acid will increase the rate of uptake.

Storage stability: TRUPOTAN R83 can be stored for one year, if temperatures below 5 °C and above   40 °C can be avoided. On prolonged storage or extremes of temperature TRUPOTAN R83 may exhibit some settlement which can be avoided by either warming and/or stirring the product thoroughly before use.

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