This standard specifies the specifications, technical requirements, test methods and acceptance rules for 3242/823 flame retardant epoxy glass impregnation materials. This standard is applicable to 125℃ cured flame retardant epoxy 3242 resin system impregnated 823 glass prepreg. Prepreg is suitable for manufacturing composite parts by molding, soft molding and vacuum bagging methods. The parts can be used in the temperature range of -55℃~60℃.
HB 7069-1994 history
2007HB 7069-2007 Specification for epoxy glass fabric prepegs