the number of molding cycles is up to 100K, used to a low volume of plastic parts. Mold materials do not have to be highly wear-resistant. It is less expensive. Additional requirements are listed below:

1) it is recommended to have some mold design document.
2) soft steel or aluminum alloy may be used for it’s mold base
3) soft steel or Aluminum alloy may be used for the fixed half of a mold.