How to avoid micro cracks inside the epoxy resin board during processing?

1. Choose a crack resistant grade Optimization of glass fiber content: Priority should be given to using epoxy resin boards reinforced with medium alkali glass fibers (such as EC10-13) or hybrid fibers (glass fiber+aramid), which have a 20% -30% higher elongation at break than high alkali fiber boar

Guangdong Weishi New Materials Co.,Vietnamese exhibition

What factors can affect the processing quality of epoxy resin boards?