Cracking,Delamination and Distortion
Cracking or Crazing This fault occurs only when there is residual stress in a moulding…
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Burn marks
Burn marks What is Burn Marks If an area of a moulding becomes the oxidized,…
Undercuts and Surface finish
Undercuts An undercut is a part of the mould where the molten plastic flows behind…
Internal stress and warping
Internal stress and warping When thick sections are moulded，rapid changes in temperature can cause thermally…
Sinking
Sinking The moulding of thermoplastics in thick sections presents other shrinkage problems, especially where mould…
Effects and Influence of Mould Design upon Maintenance
Effects and Influence of Mould Design upon Maintenance It is an unquestioned truism that mould maintenance, in…