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Phenol/ Modified Novolac

Phenol novolac epoxy resins are multifunctional epoxy resins manufactured from phenol novolac resin and epichlorohydrin. When cured, they form cured materials that possess a mesh structure with a high cross-linking density. They also demonstrate excellent performance in heat and chemical resistance and are used in composite materials, resists, and laminates. Three product numbers are stocked from liquid grades with good flowability to solid grades with better heat resistance, and they can be used according to application and demand characteristics. In addition to these solid product numbers, solvent diluted products are also stocked.

Major Product Specifications & Features

EPICLON Epoxy Equivalent Weight
(g/eq)
Softening Point
(°C)
Melt Viscosity
(dPa.s, 150°C)
Features Applications
N-730A 172 - 179   25000 to 65000 (25°C) Standard product Composite materials, resists
N-740 177 - 187 (Semi solid) H - K(*1) Standard product Composite materials, resists
N-770 183 - 193 65 - 75 3.5 - 6.0 Standard product Composite materials, resists
N-775 184 - 194 70 - 80 5.5 - 9.0 Standard product Composite materials, resists
N-740-80M 180 - 200(*2) - 200 - 600(*3) Solid content 80% MEK solution Laminates
N-770-70M 180 - 200(*2) - 100 - 600(*3) Solid content 70% MEK solution Laminates
N-865 198 - 218 64 - 72 1.5 - 4.0 Modified novolac Composite materials, resists
N-865-80M 198 - 218(*2) - 70 - 230(*3) Solid content 80% MEK solution Laminates, composite materials
  • *1: Gardner, 25°C, 60% butyl carbitol solution
  • *2: Solid content
  • *3 25°C, mPa.s

DIC can also customize these products in various ways. Contact us for details.

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