All Simprex^® prepregs are environmentally friendly, with very low styrene emission, and especially designed to be in a B-Stage for six months @ 68°F (20°C). Typical curing cycle is 20-30 min. @ 250°F (121°C), under complete vacuum or equivalent pressure. Standard Simprex^® products are presented in the following table:

Bis-phenol A type

Simprex^®	T_g (^oC)	Laminate Features
M745-200	120-125	High chemical resistance Superior toughness High impact and fatigue resistance
M850	140-145	High resistance to aqueous solutions & organic solvents Superior toughness
M960	140-145	Excellent corrosion resistance and mechanical properties Superior toughness and impact strength
Brominated Bis-phenol A type
H425	130-135	High degree of fire retardant (UL-94, V-0 flammability rating) Superior toughness and fatigue resistance
Elastomer modified type
M655-200	115-120	Superior resistance to abrasion Excellent impact and fatigue resistance High adhesion to core materials
Novolac type
1355	170-180	High strength and toughness retention at elevated temperature Superior chemical resistance
1555	180-190	Highest strength and toughness retention at elevated temperature Superior chemical resistance
1755	220-230	Highest suitability at extreme high temperature environment Superior chemical and fatigue resistance