HP-RTM是高压树脂传递模塑成型工艺，简称HP-RTM成型工艺。它是指利用高压压力将树脂对冲混合并注入到预先铺设有纤维增强材料和预置嵌件的真空密闭模具内，经树脂流动充模、浸渍、固化和脱模，获得复合材料制品的成型工艺。

High Pressure Resin Transfer Molding is a high pressure resin transfer molding process, referred to as HP-RTM molding process. It refers to the use of high pressure resin hedge mixed and injected into the pre-laid with fiber reinforced materials and pre-inserted vacuum closed mold, through the resin flow filling, impregnation, curing and demudding, to obtain the composite product molding process.

HP-CRTM成型工艺是在HP-RTM工艺技术中的树脂注胶前，将模具上移0.5~1mm，增大密封模腔间隙，模具可以有更宽的浇道，降低树脂流动阻力，注胶结束后再将模具在高压下完全闭合，树脂体系随闭合压力流动充模，成型压力相对较低，这样既保证纤维不乱纹，又保证了较高的注射速度。

High Pressure Compression Resin Transfer Molding process is to move the mold up 0.5~1mm before resin injection in HP-RTM process technology to increase the gap between the sealing mold cavities, so that the mold can have a wider runner and reduce the resin flow resistance. After the injection, the mold is completely closed under high pressure. The resin system flows with the closing pressure and fills the mold, and the molding pressure is relatively low, so as to ensure that the fiber is not disordered. It also ensures a high injection speed.