ARADUR® 2978-1 is a modified cycloaliphatic polyamine hardener, used as a low viscosity, non-blushing epoxy curing agent with excellent handling and surface appearance properties. ARADUR 2978-1 Hardener can be formulated with modified or unmodified bisphenol A and bisphenol F based liquid epoxy resins.

ARADUR 2978-1 Hardener is designed for two-component, ambient curing coating and flooring systems that require good aesthetic properties, good blush and early water spotting resistance. Its unique combination of long pot life and fast cure offers a distinct advantage over typical curing agents based on cycloaliphatic polyamines, such as isophorone diamine. The overall improvement of performance properties gained by use of ARADUR 2978-1 Hardener makes it an ideal curing agent for many applications.

ARADUR 2978-1 Hardener is is suitable for use in solvent-free and high solids coatings for general purpose and decorative coatings, and self-leveling and broadcast floorings.

Features & Benefits

• Low viscosity
• Low color
• High gloss films with good humidity resistance
• Optimal combination of long pot life and fast cure time
• Outstanding non-yellowing properties and good gloss retention
• Rapid development of water spotting resistance

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

Properties

Visual Appearance ……………………………….. Clear, no contamination
Color, APHA, max. …………………………………. 100
H+ Active Equivalent Weight (g/eq.) ……….. 115
Use Level with ARALDITE GY 6010 (phr) ……… 60
Amine Value (mg KOH/g) ………………………. 255 – 295
Viscosity at 25°C (cP) ……………………………… 125 – 425
Density at 25°C (g/cm3, lb/gal) ………………… 1.02, 8.5
Flash Point, Closed Cup (°C) ……………………. > 93