It is a polyester based double component special glass fiber reinforced paste. It is more elastic than normal fiber due to short glass fiber reinforcement. It is soft and easy to sand. It has a high shooting power and a wide range of usage. It has a high bond strength. It should be applied by mixing thoroughly with 1-3% polyester paste hardener (BPO). The mixture should be ground at 20°C within 5-10 minutes. The mixture is ready to sand after 30 minutes.