MTM® 56-2FRB is a black-pigmented, flame-retarded, toughened, epoxy resin system suitable for autoclave, oven vacuum bag or press moulding processes.
MTM® 56-2FRB  can be cured after 10 minutes at 150°C (302°F) making it an ideal product for rapid processing.

Features and Benefits 
  • Versatile processing: autoclave, oven vacuum bag and press moulding; 
  • Rapid cure: 10 minutes at 120°C (248°F);
  • 30 days out life at 21°C (70°F);
  • 12 months shelf life at -18°C (0°F);
  • Available in ZPREG® selective impregnation format;
  • Good tack and drape;
  • Good impact resistance;
  • 100°C (212°F) end use temperature;
  • 5 hours at 80°C (176°F) minimum cure.

MTM56: Woven prepreg
MTM56B: Black pigmented woven prepreg
MTM56FR: Flame-retarded woven prepreg
MTM56FRB: Flame-retarded, black pigmented woven prepreg
MTM56FRNY: Flame-retarded, yellow pigmented woven prepreg
MTM56-1: Unidirectional prepreg
MTM56-1B: Black pigmented unidirectional prepreg


  • Global Business Unit
    Composite Materials
  • Brand
  • Synonyms
    mtm56; mtm 56-2 frb; mtm 56; mtm 56-2; mtm562frb;


Segments Applications
Lightweighting Structural & Semi-Structural Parts

Chemical categories

Chemical category Chemical family Chemical product
Composites Thermoset Epoxy

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for MTM 56-2FRB