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Process Comparisons

Eliminate the pain and risk in choosing your plastics vendor with the help of Exothermic.
Our knowledgeable team, headed by owner Paul Steck, will help you uncover opportunities for part design based on the specific needs and goals of your product.

Your ultimate process choice may vary based on the appropriateness in terms of quantities needed, investment allowed, design features specified and lead time objectives; but the RIM process can be an extremely advantageous option to satisfy complexity, cost, and timing issues.

Where does RIM Molding fit among plastic part-making techniques?

Graph explaining how RIM fits among other plastic part making techniques


 

Overview of Process Comparisons

  RIM Molding Thermoplastic Injection Molding Thermoforming Structural Foam Molding Fiberglass Sheet Metal Aluminum Casting Urethane Casting
Ability to:                
Mold in Outside Features process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding Appropriate for Thermoforming Appropriate for Structural Foam Molding Appropriate for Fiberglass     Appropriate for Urethane Casting
Mold in Inside Features process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding   Appropriate for Thermoforming       Appropriate for Urethane Casting
Mold in Stifening Ribs process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding   Appropriate for Thermoforming       Appropriate for Urethane Casting
Create Variable Walls process is applicable for RIM Molding           Appropriate for Aluminum Casting  
Encapsulate Metal process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding     Appropriate for Fiberglass     Appropriate for Urethane Casting
Encapsulate PCBs / Electronics process is applicable for RIM Molding             Appropriate for Urethane Casting
Appropriateness For:                
Creating Large Parts process is applicable for RIM Molding   Appropriate for Thermoforming Appropriate for Thermoforming Appropriate for Fiberglass Appropriate for Sheet Metal    
Complex Geometry process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding   Appropriate for Thermoforming     Appropriate for Aluminum Casting Appropriate for Urethane Casting
Reducing Parts & Assembly process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding   Appropriate for Thermoforming       Appropriate for Urethane Casting
Lower Production Volumes* process is applicable for RIM Molding   Appropriate for Thermoforming   Appropriate for Fiberglass Appropriate for Sheet Metal Appropriate for Aluminum Casting Appropriate for Urethane Casting
Short Tooling Lead Times process is applicable for RIM Molding   Appropriate for Thermoforming     Appropriate for Sheet Metal   Appropriate for Urethane Casting
Creating Structural Parts process is applicable for RIM Molding     Appropriate for Thermoforming Appropriate for Fiberglass Appropriate for Sheet Metal Appropriate for Aluminum Casting  
Part to Part Repeatability process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding   Appropriate for Thermoforming   Appropriate for Sheet Metal    
Cost Comparisons:                
Low Unit Cost process is applicable for RIM Molding Appropriate for Thermoplastic Injection Molding Appropriate for Thermoplastic Injection Molding Appropriate for Thermoforming        
Low Cost Molds process is applicable for RIM Molding   Appropriate for Thermoplastic Injection Molding   Appropriate for Fiberglass     Appropriate for Urethane Casting
Low Cost Mold Changes process is applicable for RIM Molding         Appropriate for Sheet Metal    
In summary, RIM Molding is best for highly complex geometry, encapsulation, part to part repeatability, and low cost molds.
*Small volumes < 100; Large volumes >2500

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Exothermic Molding, Inc. | 50 Lafayette Place | Kenilworth, NJ 07033 | (908) 272-2299 | Fax: (908) 272-3355 | Reaction Injection Molding for medical, electronic, commerical and industrial uses
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