Product Line Overview
Activated
Chemical/Mechanical
Premium compound for challenging applications
Activated Mechanical
Mechnical with foaming agent
Mechanical
General purpose compound
No Resin Powder
Used when a foreign resin cannot be introduced
Activated — Filled Resin
Used to clean filled resins
Custom Blends
For any special application
Injection Purging
Extrusion Purging
Blow Mold Purging
Pre-mixed
Concentrate
RapidPurge offers a full spectrum of thermoplastic purging compounds, from cost-sensitive mechanical solutions to performance-optimized chemical formulations.

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Exceeding Customer Expectations Worldwide for More Than 30 Years
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the right solution for all your purging needs
RapidPurge Product Line Overview
RapidPurge purging compounds are generally applicable to all thermoplastic resins and processes. Special blends have been formulated to suit the needs for specific results. The selection criteria is based largely on operating temperature, viscosity, and your preference for concentrated or pre-mixed.
Injection |
Extrusion |
Blow | ||
Our premium product line for challenging applications |
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Mechanical products with a foaming agent to reach negative flow areas |
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Our general purpose mechanical product line |
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Products for use when a foreign resin cannot be introduced |
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Products for cleaning filled resins |
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Custom formulations for special needs |
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Injection |
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Extrusion |
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Blow Molding |
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Activated Chemical/Mechanical Purging Compounds
RapidPurge Activated Chemical/Mechanical products are the ones that made us famous for supplying the most effective purging compounds available. These products include chemical agents that break down the molecular structure and viscosity of the resident resin. They also include an expanding foaming agent to reach negative flow areas, and mechanical compounds to soft polish the base metal.
Activated Chemical/Mechanical products come in various grades to match your temperature and viscosity requirements, and they are available in convenient pre-mixed form and as concentrates.
Injection |
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Extrusion |
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Blow Molding |
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Activated Mechanical Purging Compounds
RapidPurge Activated Mechanical products add a heat-activated foaming agent to our Mechanical products to reach negative flow areas and to reduce the viscosity of the resident resin.
Activated Mechanical products come in various grades to match your temperature and viscosity requirements, and they are available in convenient pre-mixed form.
Injection |
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Extrusion |
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Blow Molding |
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RapidPurge Mechanical products are the competitive choice for general purpose purging applications. The mechanical agents scrub, clean, and polish the internal components of all injection and extrusion equipment.
Mechanical products come in various grades to match your temperature and viscosity requirements, and they are available in convenient pre-mixed form and as concentrates.
Injection |
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Extrusion |
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Blow Molding |
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RapidPurge "no resin" products are ideal for particularly sensitive applications such as auto lamp lenses, where the introduction of a foreign resin during the purge process poses a problem. These products come in three variations including a basic purge, a purge with a heat-activated foam for negative flow areas, and a chemical/mechanical purge that is comparable to our premium Activated Chemical/Mechanical products for challenging purge applications.
"No Resin" products include no resin of their own, and are mixed with your resident resin which serves as the carrier during purge.
Injection |
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Extrusion |
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Blow Molding |
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Activated — Filled Resin Purging Compounds
RapidPurge Activated — Filled Resin products are concentrates specially formulated for applications with a filled resin, such as glass-filled resin.
Activated — Filled Resin products come in two versions: a mechanical compound that includes a foaming agent to reach negative flow areas, and a chemical/mechanical formulation for more difficult purging applications.
If you have a special need, RapidPurge is the only purge supplier that will work with you to mix a custom blend to meet your exact requirements.
Pre-mixed Compounds
For the ultimate in convenience and ease of use, most RapidPurge products are available in a ready-to-use pre-mixed form that includes a universal carrier resin.
Concentrated Formulations
Many RapidPurge compounds are available in concentrated form. Using your own carrier resin, these concentrates are convenient and cost-effective.



