排水沟模具一般来说使用钢模具比较多一些，原因是排水沟生产制造是比较复杂，脱模难度高，正好钢模具具有易拆卸，韧性强，不易破损的特点。所以适合用于钢模具。

The draining ditch mold generally uses the steel mold quite many, because the draining ditch production and manufacture is quite complex, the mold release difficulty is high, just the steel mold has the easy to disassemble, the toughness is strong, is not easy to damage the characteristic. So it is suitable for steel mould.