A useful trial begins before the machine starts. The goal is to evaluate AD-318 Purging Compound under conditions representative of the finished part and leave a record that can be repeated.
1. Document the baseline
Record product grade and lot, resin, recycled content, process, machine, normal temperature, wall thickness, and the visual or functional standard.
2. Confirm the documented scope
Resins
Processes
- Cold-runner injection molding
- Extrusion
- Blow molding
3. Prepare the blend
Measure by weight, use clean equipment, and prevent carryover from the previous material. Retain samples of the resin and concentrate used in the trial.
| Variable | Published reference |
|---|---|
| Temperature | Use at the same processing temperature as the resin being removed; no universal temperature range is published. |
| Dosage or incorporation | Feed the compound directly and gradually without blending it with another resin or purging compound. |
4. Run a controlled trial
- Stabilize the equipment with the base resin.
- Introduce the blend without changing several variables at once.
- Separate the first transition parts.
- Record every dosage, temperature, or residence-time adjustment.
- Retain identified samples from the stable run.
5. Evaluate and decide
Compare appearance, dispersion, processing behavior, and part requirements against the initial acceptance criteria. When a change is needed, alter one controlled variable per trial.
- Do not use in hot-runner injection molds.
- Not recommended for PET.
- Do not leave the compound sitting in the machine and do not run the equipment cold.
Official references
Check the live product page before quoting or repeating a trial. Current packaging and commercial information are maintained there.