--- title: 4 Tips for Optimizing Purging Compounds in Cast & Blown Film Extrusion description: These 4 Tips explain ways purging compounds can dramatically improve efficiency in cast & blown film extrusion. Easier changeovers and scrap reduction. image: https://www.asaclean.com/hubfs/Cast%20and%20Sheet%20Extrusion%20Blog%20Header.jpg --- [ Order Online ](https://asaclean.my.site.com/b2bstore) [ Free Sample ](https://offers.asaclean.com/free-sample) ## [ Asaclean Blog ](https://www.asaclean.com/blog) Browse by Topic " aerospace asaclean asaclean news Asaclean® benefits asahi kasei automotive Best Practices black specks blisters blow molding blown-film extrusion buyers caps and closures carbon contamination cast-film extrusion Chemical Purging Compounds clear applications Color Changeovers Company News compounding consumer products contamination Cost savings custom molders Customer Success Story decreasing scrap defects electronics Energy Efficiency EX Grade extruder cleaning Extrusion fillament glass filled Glitter Grade Selection HDPE High and Low Temp Changeovers hold a bubble Hot Runners Injection Molding Injection Molding Tips LDPE Lightweight automotive components LLDPE low residue maintenance Material Changeovers Mechanical Purging Compounds medical Melt Flow Index NPE 24 nylons on the fly packaging PCR PEEK Polypropylene Post Consumer Resins preventative preventative purging processing tips profile extrusion Purge Program purge programs Purge Training Purge Trial purging purging compounds purging concentrates purging procedures Purging Tips quality recycled resins residue issues scrap reduction Screw Pulls sheet extrusion shutdown and sealing start-up super engineering resins Sustainability Tech Day technical support training trials Troubleshooting Twin Screw twin screw extrusion two step purging U Grade ULTEM venting Viscosity webinars wire extrusion - 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Keeping extrusion equipment free from contamination, [residue](https://www.asaclean.com/solutions/residue-and-clear-resins), and streaking issues is crucial. Purging compounds like Asaclean are effective for cleaning cast and blown film extruders. In this blog, we will discuss five tips for using purging compounds to optimize the performance of your cast and blown film extruders. #### 1. [Chemical Purging Compounds](https://www.asaclean.com/purging-products/chemical-purging-compounds) & Concentrates Make Your Life Easier Selecting the appropriate purging compound for your [cast or blown film extruder](https://www.asaclean.com/process/film-extrusion) makes all the difference. Chemical Purging Compounds & [Purging Concentrates](https://www.asaclean.com/purging-products/purge-concentrates) are the best solutions for blown-film & cast-film extrusion. Work with an Asaclean Purging Expert to discuss your specific challenges, such as [color changes](https://www.asaclean.com/solutions/color-changeovers), material changes, or [contamination](https://www.asaclean.com/solutions/carbon-contamination), and select the purging compound that best addresses your needs. #### 2. Follow Your Purge Supplier's Specific [Extrusion Purging Instructions](https://www.asaclean.com/resources/purging-instructions) Follow the manufacturer's recommended purging process guidelines to achieve the best results with your purging compound. Specific instructions may involve adjusting temperatures, pressure settings, and purging material amounts for optimal cleaning performance. Skipping steps or deviating from the recommended process can result in suboptimal purging, allowing for persistent contamination and processing issues. Following instructions sounds obvious, but it's shocking how many processors just "wing it." Take the time to learn the proper process and set yourself up for success. #### 3. Implement a Regular Purging Schedule Incorporating a regular purging schedule for your cast and blown film extruders helps maintain equipment performance and product quality. Frequent purging reduces the build-up of contamination and residue, minimizing downtime and the risk of streaking. Work with your team to determine the most appropriate purging frequency for your operations, considering material changes, color changes, and production schedules. #### 4. Monitor and Evaluate Purging Compound Performance To optimize your purging process and achieve the best results: - Continuously monitor and evaluate the performance of your chosen purging compound. - Keep track of key performance indicators (KPIs), such as equipment downtime, product quality, and material waste. - Analyze the data to identify trends and areas for improvement. - Adjust your purging process or explore alternative purging compounds to address your specific challenges better. Purging compounds like Asaclean play a crucial role in maintaining the performance and quality of cast and blown film extruders, particularly in the packaging and medical industries. By choosing the best purging compound, following the recommended purging process, implementing a regular purging schedule, prioritizing safety, and monitoring purging compound performance, you can effectively address contamination, residue, and streaking issues, ultimately improving your production efficiency and product quality. **[Learn more about how to reduce production downtime and protect your profits with a purging compound](https://offers.asaclean.com/free-purge-consultation).** ![Yoko Tanaka](https://www.asaclean.com/hs-fs/hubfs/Yoko%20Tanaka%20Headshot%203-25-16.jpg?width=150&name=Yoko%20Tanaka%20Headshot%203-25-16.jpg) #### [ Yoko Tanaka ](https://www.asaclean.com/blog/author/yoko-tanaka) Yoko Tanaka is the Marketing Manager at Asaclean. She has been helping molders and extruders learn about Asaclean purging and how to improve their processes for the past eight years. - [Share On LinkedIn ](https://www.linkedin.com/in/yokotanaka/) ## Related Posts [![How to Remove Carbon Contamination from Complex Extrusion Systems](https://www.asaclean.com/hs-fs/hubfs/Complex%20Extrusion%20Blog%20Header.jpg?width=450&height=250&name=Complex%20Extrusion%20Blog%20Header.jpg) How to Remove Carbon Contamination from Complex Extrusion Systems Troubleshooting / 3 min read / July 19, 2022 ](https://www.asaclean.com/blog/how-to-remove-carbon-contamination-from-complex-extrusion-systems) [![4 Tips for Easier Extruder Start-Ups](https://www.asaclean.com/hs-fs/hubfs/Blog%20Header-Reducing%20Machine%20Downtime-1.jpg?width=450&height=250&name=Blog%20Header-Reducing%20Machine%20Downtime-1.jpg) 4 Tips for Easier Extruder Start-Ups SCRAP REDUCTION / 4 min read / April 04, 2022 ](https://www.asaclean.com/blog/4-tips-for-easier-extruder-start-ups) ## Comments Get Started ## Ready to start improving your efficiency and increasing your profitability? - [Request a Consultation](https://www.asaclean.com/blog/4-tips-for-optimizing-purging-compounds-in-cast-blown-film-extrusion#) - [Contact Sales](https://www.asaclean.com/blog/4-tips-for-optimizing-purging-compounds-in-cast-blown-film-extrusion#) ![](https://www.asaclean.com/hubfs/assets/images/icons/icon-layers.svg) #### Free Sample Request a free sample of Asaclean® Purging Compounds for your plant and start saving today. [Request your free sample](https://offers.asaclean.com/en/free-sample?hsLang=en) ![](https://www.asaclean.com/hubfs/assets/images/icons/icon-calculator.svg) #### Cost Savings Calculator Use our free calculator to see how much you could be saving with Asaclean® Purging Compounds. [See your savings](https://www.asaclean.com/cost-savings-calculator) [ Back to Top ](https://www.asaclean.com/blog/4-tips-for-optimizing-purging-compounds-in-cast-blown-film-extrusion#top) ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Yoko Tanaka", "url" : "https://www.asaclean.com/blog/author/yoko-tanaka" }, "dateModified" : "2023-04-03T17:04:30.140Z", "datePublished" : "2023-04-03T17:04:30.000Z", "headline" : "4 Tips for Optimizing Purging Compounds in Cast & Blown Film Extrusion", "image" : [ "https://www.asaclean.com/hubfs/Cast%20and%20Sheet%20Extrusion%20Blog%20Header.jpg" ], "mainEntityOfPage" : { "@id" : "https://www.asaclean.com/blog/4-tips-for-optimizing-purging-compounds-in-cast-blown-film-extrusion", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://www.asaclean.com/hubfs/Asaclean%20Logo%20TM.jpg" }, "name" : "Asahi Kasei Plastics North America" } } ``` ```json { "@context" : "http://schema.org", "@type" : "Article", "articleBody" : "The packaging and medical industries heavily rely on high-quality cast and blown film-manufactured end products. Keeping extrusion equipment free from contamination, residue, and streaking issues is crucial. Purging compounds like Asaclean are effective for cleaning cast and blown film extruders. In this blog, we will discuss five tips for using purging compounds to optimize the performance of your cast and blown film extruders.", "author" : { "@type" : "Person", "name" : "Yoko Tanaka" }, "datePublished" : "April 03, 2023", "headline" : "4 Tips for Optimizing Purging Compounds in Cast & Blown Film Extrusion", "image" : "https://468726.fs1.hubspotusercontent-na1.net/hubfs/468726/Cast%20and%20Sheet%20Extrusion%20Blog%20Header.jpg", "name" : "4 Tips for Optimizing Purging Compounds in Cast & Blown Film Extrusion", "url" : "https://www.asaclean.com/blog/4-tips-for-optimizing-purging-compounds-in-cast-blown-film-extrusion" } ```