SP Colloidal Silica / GRP Resin Epoxy Filler 250g in 5ltr reduce 'sag' in resin
SP Colloidal Silica / GRP Resin Epoxy Filler 250g. Colloidal silica is also used with microfibres to produce a mix suitable for use as a high strength, non-sagging structural adhesive, particularly for non-absorbent materials such as grp.