▎ 摘 要
NOVELTY - This utility model is claims a crack-proof PC product, comprising orderly connected a crazing-proof layer, graphene fibre layer, a PC substrate, the thickness of the anti-cracking layer is 1-25 mm, the thickness of the graphene fibre layer is 1-25 mm, the thickness of the PC-based layer is 10-45 mm. The product has good performance of preventing aging cracking.