Технические характеристики
- Low-viscosity, light-stabilised orthophthalic acid polyester resin of medium reactivity
- Preaccelerated with cobalt, unsusceptible to cracking
- Transparent after curing
For casts up to one litre in volume, the added hardener (MEKP) should be 1 % (gelling time 35 minutes); for larger volumes, 0,6 % (gelling time 23 minutes). The parts can be demoulded once the reaction heat has disappeared (60-90 minutes). Layers should be cast to a thickness of 2-3 cm (otherwise the reaction heat is too high), the next layer should be cast when the previous layer has started to gel.
Finishing:
The typical shrinkage polyesters undergo when curing means that the cast in most cases detaches from the walls of the mould. This can lead to a slight inadequacy in the curing of the surface, which is then tacky for a time. In the case of larger casts, curing on the air side yields a practically tack-free surface owing to the higher reaction heat and the faster progress of curing.
Please order MEKP hardener separately
