High quality red BPO Fastglas Hardener paste for glass fibre resin. Recommended to a-cm of FastGlass hardener paste to each 10ml of resin and mix thoroughly.
Important to note, the Fastglas Polyester Resin will not stick to some plastic such as cellophane, polypropylene, polythene and polystyrene. Also, it’s not recommended to be used inside refrigerators, freezers, food containers or drinking water tanks.
Size: 20g Sachet