Problem & Solution

Practical answers to common plastic material challenges

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Q

Poor Part Heat Resistance

A

This problem is a typical manifestation of poor part heat resistance in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended...

Molds & Tooling curing degreecatalyst dosagemold temperaturecuring timepost-curing

Q

Part Hardness Deviation

A

This problem is a typical manifestation of part hardness deviation in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended t...

Molds & Tooling curing degreecatalyst dosagemold temperaturecuring timepost-curing

Q

Low Part Impact Strength

A

This problem is a typical manifestation of low part impact strength in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended ...

Molds & Tooling curing degreecatalyst dosagemold temperaturecuring timepost-curing

Q

Raw Material Sedimentation in Storage Tank

A

This problem is a typical manifestation of raw material sedimentation in the storage tank in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal wind...

Molds & Tooling raw material sedimentation in storage tank

Q

Excessive Gate Mark

A

This problem is a typical manifestation of excessive gate mark in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended to st...

Molds & Tooling dimensional accuracyholding pressuremold temperatureshrinkage ratecheck ring

Q

Part Warpage

A

Warpage is macroscopic bending caused by inconsistent shrinkage of various parts of the part. The solution ideas are: achieve uniform cooling of all parts during the cooling stage (cooling water channel optimization), adopt symmetrical layout and isotropic design in structural design (wall thickn...

Molds & Tooling warpage deformationcooling uniformityresidual stressgate symmetryannealing

Q

Skin Layer and Core Layer Separation

A

This problem is a typical manifestation of skin layer and core layer separation in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is ...

Molds & Tooling bubbleraw '2079851475616104451back pressure controlvacuum shrinkage cavitymold venting

Q

Uneven Skin Layer Thickness

A

This problem is a typical manifestation of uneven skin layer thickness in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommend...

Molds & Tooling demolding draft anglemold polishingholding pressurecooling timerelease agent

Q

Surface Discoloration

A

This problem is a typical manifestation of surface discoloration in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended to ...

Molds & Tooling mixing uniformitymixing headimpingement mixingcomponent viscositymetering accuracy

Q

Poor Dimensional Accuracy

A

This problem is a typical manifestation of poor dimensional accuracy in the RIM process; the core of the solution lies in ensuring the precise ratio and full mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended...

Molds & Tooling shrinkage ratewall thickness designcooling water channelholding pressuredimensional accuracy

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