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EPIKOTE™ Resin 491

Description

EPIKOTE™ Resin 491 is an industrial grade Tetragycidylmethylenedianiline

 

Benefits

  • High performance
  • High Tg
  • High chemical resistance

Sales Specification

Property Standard Value Unit Test Method
Color <11 Gardner ISO 4630
Epoxy Equivalent 126 ± 6,5 g/equivalent DIN 16945
Hydrolyzed Chlor < or = 0.3 % ISO 21627-2
Viscosity at 50°C 6000 ± 2000 mPa.s DIN 53015
Volatile Content < or = 0.4 % DIN 16945

Typical Properties

EPIKOTE™ Resin 491_dynamical viscosity


       

Typical Properties of the cured, non-reinforced material

Curing agent: aromatic amine, EPIKURE™ Curing Agent 385.

 

Property Standard Value Unit Test Method
Bending Test @ RT Flexural Strength 115 ± 10 MPa DIN EN ISO 178
Bending Test @ RT Flexural Modulus 3150 ± 100 N/mm² DIN EN ISO 178
Delivery Form High viscous liquid
DMA Onset 203 ± 5 °C DMA (2K/min)
DMA Peak Max 226 ± 3 °C DIN EN 61006
Fracture Performance (SENB) @ RT Fracture Toughness K1C 0.60 ± 0.10 MN/m³/2 ISO 13586
Fracture Performance (SENB) @ RT Fracture Energy G1C 160 ± 20 J/m² ISO 13586
Tensile Test @ RT Tensile Strength 65 ± 10 MPa DIN EN ISO 527-1
Tensile Test @ RT Tensile Modulus 3100 ± 100 MPa DIN EN ISO 527-1
Tensile Test @ RT Elongation at Break 2 - 3 % DIN EN ISO 527-1
TG, DSC First Run Onset 208 ± 3 °C DSC (10K/min)
TG, DSC First Run Midpoint 210 ± 3 °C DIN 53445