Maxfil is a series of engineered flame retardant fillers created for maximum filler loadings, extremely low viscosities, increased flame retardance and decreased formulation costs.  Using Maxfil 100, 200 or 300 can help reduce shrinkage and warping and the ability to acheieve UL 94-VO, UL94 5VA and ASTM E84 Class 1 rating.