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Araldite® GY 257

1 of 31 products in this brand
Araldite® GY 257 is a low viscosity epoxy resin based on Bisphenol A modified with aromatic glycidyl ether.

Chemical Family: Bisphenol A Type Epoxy, Bisphenol Epoxy Resins, Epoxy & Epoxy Derivatives

End Uses: Cement, Solventless & High Solids Coating

Features: Low Viscosity

Technical Data Sheet

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Identification & Functionality

CASE Ingredients Functions
Industrial Additives Functions
Technologies

Features & Benefits

CASE Ingredients Features
Properties

Due to the low viscosity and the full crystallization resistance Araldite® P GY 257 is a most suitable epoxy resin in formulating solvent free systems yielding,

  • Very good processing properties
  • Good mechanical performances
  • Good surface penetration
  • Medium chemical resistance / good acid and solvent resistance

Applications & Uses

Cure Method
Industrial Additives End Use
Application

Araldite® P GY 257can be cured with polyamines, polyamidoamines or their adducts for solvent-free coatings, self-leveling and mortar floors, concrete injections, structural adhesives, trowelling compounds and impregnation systems. In combination with unmodified epoxy resins, like Araldite® P GY 250 and Araldite® P GY 6010 the viscosity of the end formulation can be reduced.

Properties

Physical Form
Appearance
Clear, No Contamination
Odor
Yes
Typical Properties
ValueUnitsTest Method / Conditions
Color (APHA)max. 100ASTM D-1209
Epoxy Value5.20 – 5.50eq/KgASTM D-1652
Weight per Epoxide180 – 192g/eqASTM D-1652
Viscosity at 25°C (77°F)500 – 700mPa.sISO 12058-1
Density at 25°C1.15g/cm3ISO 1675
Flash Pointmin. 138°CISO 2719

Safety & Health

Hazardous Decomposition Products

Carbon monoxide, carbon dioxide, Nitrogen oxides and other toxic Gasses and vapors.

Disposal

  • Regular procedures approved by Local authorities
Handling Precautions

Mandatory and recommended industrial hygiene procedures should be followed whenever our products are being handled and processed

Packaging & Availability

Packaging Type
Package

Araldite® P GY 257 is supplied in bulk and in 220 kg steel drums.

Storage & Handling

Shelf life (at storage temperature between 2-40°C)
6 years
Storage

This product should be stored in a dry place, preferably in the sealed original container; at temperatures between 2°C and 40°C (temperatures should never be allowed to drop below 0°C). The product should not be stored exposed to direct sunlight.