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Practical answers to common plastic material challenges

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Q

Poor Part Weather Resistance

A

This problem is a typical manifestation of poor part weather 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 recommen...

Molds & Tooling poor part weather resistance

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

Excessive Ambient Humidity

A

This problem is a typical manifestation of excessive ambient humidity 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 recommende...

Material Drying excessive ambient humiditymold

Q

Pipeline Temperature Fluctuation

A

This problem is a typical manifestation of pipeline temperature fluctuation 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 reco...

Processing Machinery pipeline temperature fluctuationtemperature

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

Poor Mixing Head Cleaning

A

RIM mixing quality is the first element determining part consistency. The core control points are: the impingement mixing Reynolds number of the mixing head (to ensure turbulent mixing), the viscosity matching of the two components (to reduce viscosity difference), the accuracy of the metering pu...

Injection Molding mixing uniformitymixing headimpingement mixingcomponent viscositymetering accuracy

Q

Reaction Rate Fluctuation

A

This problem is a typical manifestation of reaction rate fluctuation 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...

Processing Machinery reaction rate fluctuationtemperature

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

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