ARADUR^® 3984 Hardener is a waterborne, modified aliphatic amine curing  agent  designed  for use in formulating two-component ambient, as well as heat cured, coatings. It is free of organic solvents and is supplied as 80% solids in water. It can be diluted in water, however at dilutions greater than 30% solids the solutions become milky.

Typical applications include: two-component ambient or heat cured coatings, chemically resistant metal primers and coatings, Low VOC (< 100 g/L) primers and coatings

Features & Benefits

• Ability to formulate low VOC coatings
• Excellent compatibility with ARALDITE^® PZ 3901 and ARALDITE^® PZ 3921 solid epoxy resin dispersions
• Rapid dry times and recoatability
• Good abrasion, chemical and solvent resistance
• Excellent gloss and low yellowing
• Very rapid hardness development with good mechanical properties
• Excellent flexibility with ARALDITE^® PZ 3901 and ARALDITE^® PZ 3921

To see the full list of products from Huntsman Advanced Materials, please refer to the Selector Guide

Properties

Visual Appearance ……………………………….. Clear, no contamination
Color, Gardner, max. ………………………………. 8
H+ Active Equivalent Weight (g/eq.) ……….. 150 (as supplied)
Amine Value (mg KOH/g) ………………………. 196 – 253
Viscosity at 25°C (cP) ……………………………… 5,000 – 15,000
Density at 25°C (g/cm3) …………………………. 1.134
Flash Point, Closed Cup °C  …………………… > 100
Solids content, wt % ……………………………….. 80 ± 2 (in water)