NCH Grade Purging Compound (Formerly Hybrid 400™)

NCH Grade is a Hybrid purging compound formulated to offer the benefits of both Mechanical and Chemical purging compounds. NCH is suited for color and material changes for thermoplastic extrusion, and extrusion blow molding machines. NCH is effective when used for sealing and shutting down machines to prevent carbon on start-ups.
(Formerly Hybrid 400™)

arrow High Performance, Mechanical/Chemical Hybrid arrow Polyethylene – Based
arrow Uses chemical purging principles, with simplified procedures.
arrow Preferred product for extrusion blow molding applications.


Resins Purged: Most high viscosity commodity and engineering grade resins within the processing temperature range.

NCH See our other grades
applications Color Changes checkmar NCR, NCT, NCF
Material Changes checkmar NCR, NCT, NCF
Hot Runner Cleaning NCR
Shutdown/Sealing checkmark NCR, NCT, NCF
Clear/Low Residue Applications NCF
High Temperature Resins NCT
Low Temperature Resins
Carbon/Color Contamination checkmar NCR, NCT

Processing temperature: 175°C to 360°C (345°F to 680°F)

Download SDS    Download Product Sheet    Download TDS

Tips For Proper Usage Of ASACLEAN

Tips when using ASACLEAN-N Series Hybrid Purging Compound:

arrow Pre-purge with a stiff materials like extrusion grade HDPE for very difficult color/material changes.
arrow Soak 5 minutes, purge, repeat if necessary, run production.
arrow Increase temperatures in trouble spots 30°C to 55°C (50°F to 100°F) within the processing temperature range.

Purging Compound Process Resource Center

Running a purging compound through your extrusion and thermoplastic injection molding machines isn’t always a straightforward task.

To supplement our onsite Clean & Lean Training program, we offer you a resource center featuring a library of training videos, guidelines, technical documentation and step-by-step instructions.

This resource center also provides a translation widget to ensure all of our information is available in the native language of your team. Our goal is to make sure answers to your purging compound questions are always within reach.

Ready to learn even more about ASACLEAN purging compound products and services? Click here to schedule your free, 10-minute consultation with a Purging Process Expert at ASACLEAN.

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