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EPIKOTE™ Resin 869

Description

EPIKOTE Resin 869 is a low viscosity epoxy resin produced from the reaction of bisphenol F and epichlorohydrin, containing no diluent. Like other bisphenol F epoxy resins, it has improved chemical resistance and lower viscosity than bisphenol A epoxy resins. The higher molecular weight of EPIKOTE Resin 869 provides some improvement in crystallization resistance versus other bisphenol F epoxy resins, such as EPIKOTE Resin 862. The low viscosity compared to bisphenol A epoxy resins provides good fiber or pigment wetting, and allows the use of less reactive diluents in formulations to achieve similar system viscosities and superior mechanical properties.

Benefits

  • Lower viscosity without diluent
  • Good hardness development and mechanical properties, especially versus diluted resins
  • Improved resistance against crystallization, which can be enhanced further when blended with EPIKOTE Resin 828
  • Imparts good chemical resistance
  • Good pigment wetting
  • Good resistance to pigment settling

Sales Specification

Property Standard Value Unit Test Method
Epoxy Group Content 5600 - 5800 mmol/kg SMS 2026
Viscosity at 25°C 5.0 - 7.0 Pa.s ASTM D445
Colour 100 max Pt-Co ASTM D1209

Typical Properties

Property Standard Value Unit Test Method
Epoxy Group Content 5700 mmol/kg SMS 2026
Viscosity at 25°C 5.9 Pa.s ASTM D445
Colour 20 Pt-Co ASTM D1209

 
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