The paraffin solution is a 5 % solution of liquid paraffin in styrene. It is added to polyester resins to obtain a tack free surface. PL 5-1 only has an effect with an ambient temperature of 18 to 25°C.
If a further resin layer is applied, the paraffin layer must be well sanded off.
An additive to improve the surface curing of polyester resins:
- Tack free curing of laminating resins
Amount to add: 2.5-3.0 %