Advanced Materials
Technical Datasheet
Aradur® 2975 Hardener
Product Description
Aradur® 2975 Hardener is a modified cycloaliphatic polyamine that is used as a low viscosity,
light color and non-blushing hardener for the formulation of ambient cure two-component
epoxy floorings and coatings. Aradur ® 2975 Hardener can be formulated with modified or
unmodified bisphenol A and bisphenol F based liquid epoxy resins.
Applications
Self-leveling floorings
Epoxy mortars
Solvent-free coatings
Features
Low viscosity
Low blushing and exudation tendency
Low color and good color retention
Good film appearance properties
Good resistance to water, diluted inorganic acids, alkali and solvents
Typical Properties*
Property Value
Appearance Clear, no contamination
Color, Gardner, max 1
H+ Active Equivalent, g/eq 115
Amine value, mg KOH/g 250 - 280
Viscosity @ 25°C, cP 350 - 750
3
Density @ 25°C (77°F), g/cm 1.01
Flash point, closed cup, °C (°F) 105 (221)
*Typical properties are based on Huntsman’s test methods. Copies are available upon request.
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Technical Datasheet
Processing
Mix Ratio Formulations
Product 1 2
Araldite® GY 6010,1 pbw 100 -
Araldite® PY 313,2 pbw - 100
Aradur® 2975, pbw 60 60
1
Standard bis A liquid epoxy resin (epoxy equivalent weight: 182 - 192).
2
Reactive diluent modified bis A / F epoxy resin blend (epoxy eq. weight: 182 - 192)
Processing Data
Product 1 2 Test Method
Mix viscosity @ 23°C, cP 3000 800 ASTM D4440 (ICI
Cone & Plate)
Gel time, 100 g, 23°C, min 55 60 TECAM gelation
timer
Typical Physical Properties
Unless otherwise stated, the data were determined with typical production batches using standard test
methods. They are typical values only, and do not constitute a product specification.
Property 1 2 Test Method
Tack-free time, hours Gardner circular drying
@ 23°C / 50% R.H. 3.5 8.0 time recorder on 10 mil
@ 5°C / 80% R.H. 10 22 wet coating
Cure-through time, hours Gardner circular drying
@ 23°C / 50% R.H. 6.0 11 time recorder on 10 mil
@ 5°C / 80% R.H. >24 >24 wet coating
Film appearance Visual
@ 23°C / 50% R.H. Glossy Glossy
@ 5°C / 80% R.H. Glossy Semi-gloss
Blushing Visual
@ 23°C / 50% R.H. None None
@ 5°C / 80% R.H. None None
Glass transition temperature,* T g, DSC
°C 52 45
Pencil hardness* 3H H ASTM D 3363
Cross hatch adhesion* 5 5 ASTM D 3359 (0 =
worst, 5 = best)
Impact* (direct/reverse), in∙lbs 20/2 50/10 ASTM D 2794
*After 7 day cure at 23°C; Dry film thickness, 10-11 mils.
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Technical Datasheet
Storage
Aradur® 2975 Hardener is supplied in 440 pound steel drums and 2200 pound totes. The product
should be stored in a dry place, in the sealed original container, at temperatures between 2°C and 40°C
(36°F and 104°F). Under these storage conditions the shelf life is 3 years (from date of manufacture).
The product should not be exposed to direct sunlight.
Precautionary Statement
Huntsman Advanced Materials Americas LLC maintains up-to-date Safety Data Sheets (SDS) on all of
its products. These sheets contain pertinent information that you may need to protect your employees
and customers against any known health or safety hazards associated with our products. Users should
review the latest MSDS to determine possible health hazards and appropriate precautions to implement
prior to using this material.
First Aid!
Refer to SDS as mentioned above.
KEEP OUT OF REACH OF CHILDREN
FOR PROFESSIONAL AND INDUSTRIAL USE ONLY
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Technical Datasheet
Important Legal Notice
Sales of the product described herein (“Product”) are subject to the general terms and conditions of sale of either
Huntsman Advanced Materials LLC, or its appropriate affiliate including without limitation Huntsman Advanced
Materials (Europe) BVBA, Huntsman Advanced Materials Americas Inc., or Huntsman Advanced Materials (Hong
Kong) Ltd. (“Huntsman”). The following supercedes Buyer’s documents.
Huntsman warrants that at the time and place of delivery all Products sold to Buyer shall conform to the
specifications provided to Buyer by Huntsman.
While the information and recommendations included in this publication are, to the best of Huntsman’s knowledge,
accurate as of the date of publication, NOTHING CONTAINED HEREIN (EXCEPT AS SET FORTH ABOVE
REGARDING CONFORMANCE WITH SPECIFICATIONS PROVIDED TO BUYER BY HUNTSMAN) IS TO BE
CONSTRUED AS A REPRESENTATION OR WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE, NONINFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHTS, OR WARRANTIES AS TO
QUALITY OR CORRESPONDENCE WITH PRIOR DESCRIPTION OR SAMPLE, AND THE BUYER ASSUMES
ALL RISK AND LIABILITY WHATSOEVER RESULTING FROM THE USE OF SUCH PRODUCT, WHETHER
USED SINGLY OR IN COMBINATION WITH OTHER SUBSTANCES.
No statements or recommendations made herein are to be construed as a representation about the suitability of
any Product for the particular application of Buyer or user or as an inducement to infringe any patent or other
intellectual property right. Buyer is responsible to determine the applicability of such information and
recommendations and the suitability of any Product for its own particular purpose, and to ensure that its intended
use of the Product does not infringe any intellectual property rights.
The Product may be or become hazardous. The Buyer should obtain Material Safety Data Sheets and Technical
Data Sheets from Huntsman containing detailed information on Product hazards and toxicity, together with proper
shipping, handling and storage procedures for the Product, and should comply with all applicable governmental
laws, regulations and standards relating to the handling, use, storage, distribution and disposal of, and exposure
to the Product. Buyer shall also take all steps necessary to adequately inform, warn and familiarize its employees,
agents, direct and indirect customers and contractors who may handle or be exposed to the Product of all
hazards pertaining to and proper procedures for safe handling, use, storage, transportation and disposal of and
exposure to the Product, and the containers or equipment in which the Product may be handled, shipped or
stored.
[Product Brand] is a registered trademark of Huntsman LLC or an affiliate thereof in one or more, but not all
countries.
© 2015 Huntsman Advanced Materials Inc.
Main Offices:
Huntsman Corporation Huntsman Advanced Technology Center
10003 Woodloch Forest Dr 8600 Gosling Rd.
The Woodlands, TX 77380 The Woodlands, TX 77381
888-564-9318 281-719-7400
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