NB Grade Purging Compound (Formerly InstaPurge® EX)

NB Grade is a polyethylene-based mechanical purging compound that combines carefully selected resins with foaming activity to dislodge contaminants while delivering an effective purging product at a great value. Designed for color and material transitions in both Injection Molding and Extrusion applications. (Formerly InstaPurge® EX)
arrow Mechanical Purging Compound with Enhanced Foaming Action arrow Polyethylene – Based
arrow Receive the cleaning benefits of foaming action, with no soak time required.
arrow Great value.


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

NB See our other grades
applications Color Changes checkmar EX, UP, HP, U, E, PF, PX2NFNHNC
Material Changes checkmar EX, UP, U, E, PF, PX2NFNHNC
Hot Runner Cleaning UP, EHP, U, PF, NH
Shutdown/Sealing checkmark UP, EHP, U, PF, NC
Clear/Low Residue Applications E
High Temperature Resins EXPF, PX2
Low Temperature Resins E
Carbon/Color Contamination EX, U, PX2NFNH

Processing temperature: 180°C to 330°C (355°F to 625°F)

Download SDS    Download Product Sheet    Download TDS

Tips when using ASACLEAN-N Series Mechanical Purging Compound:

arrow No soak time is required for an effective purge.
arrow For maximum performance, ASACLEAN should not be diluted with other materials.
arrow ASACLEAN mechanical grades work best with maximum agitation. Use the maximum safe screw speed with maximum safe back pressure, while keeping the screw in the forward position.

Purging Compound Process Pinpoint Diagnosis

When you run into a problem with residue, high reject rate or carbon buildup, you can’t afford lots of downtime in your production process.

Enter: ASACLEAN’s Process Pinpoint Diagnosis.

Your Purging Process Expert is usually able to diagnose whether it’s a machine or contamination issue after having a conversation over the phone. Your expert doesn’t just analyze symptoms, but adopts a holistic approach to your entire process.

Once we diagnose the root-cause issue, we send you a purging compound sample and detailed instructions so you can test out the new solution.

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

Schedule My Consultation                                                                  Order Now