Is Your Purging Compound Work Effectively With All Resins?

Quick Answer: Not Always. Purging Compounds are designed to work with a wide range of resins, but differences in chemistry and processing temperatures can affect performance. A short trial run is the best way to confirm compatibility and avoid costly surprises.

Why Compatibility Sometimes Fails

Resins behave differently under heat and in contact with cleaners. Engineering plastics often need higher melt temperatures, while certain colorants or fillers leave stubborn residues. If the Purging Compound isn’t suited to the resin, it may fail to remove degraded polymer or leave its own residue. The result? Streaks, black specks, and poor surface finishes. That’s why it’s important to review compatibility data and processing ranges before full-scale use.

Common Material Risks

• Thermal mismatch: If the purge breaks down at the resin’s processing temperature, it won’t clean effectively.

• Pigment residues: Dark pigments and carbon deposits require stronger purging action.

• Filled resins: Glass, talc, or flame retardants can trap residues in hard-to-reach areas.

• Clear/transparent parts: Even trace purge residues are visible, so food- or clear-grade purges are essential.

UNICLEANPLUS provides processing ranges and grade guidance so users can match the right purge compound to their resin family.

Why a Trial Run Matters

Running a small trial helps prevent scrap and wasted resin. During testing, check:

• How quickly old color clears

• Whether black specks are removed

• The amount of purge required

• Any residues left behind

With the Purging Compounds Free Sample program from UNICLEANPLUS, plants can run these trials directly on their equipment before making a bulk purchase.

How UNICLEANPLUS Supports Resin-specific Trials

UNICLEANPLUS offers multiple grades to suit different needs:

• Pellet Grades (UC’A / UC’C): Effective for general purging applications.

• Liquid Emulsion Grade (UC’L): Mixes into running resin (2–10%) for tough contamination; works across a wide temperature range (~160–420 °C).

Each grade comes with detailed purge procedures for injection, extrusion, and hot-runner systems. This ensures accurate testing, reliable results, and smoother scaling.

Simple Trial Checklist for Plant Teams

1. Record current resin, temperature, and screw speed.

2. Request a Purging Compounds Free Sample suited to your process.

3. Follow the supplier’s purge procedure (mixing ratios for liquids, feed volumes for pellets).

4. Run short shots and inspect parts for streaks or specks.

5. Note purge quantity and cleaning time to calculate ROI.

6. If results are good, plan a larger-scale run before full purchase.

Final Note — Practical Rule of Thumb

The rule of thumb is simple: always test before scaling. A sample run ensures resin compatibility, reduces waste, and avoids expensive downtime. With UNICLEANPLUS, you can trial grades with full technical support, making your choice data-driven, not guesswork. Request your Purging Compounds Free Sample today and test it directly on your machines for real-world results.