Red PC → PMMA
Material Change and Carbon Removal on 225 Tonnes Engel
The Process
Colour and carbon removal with BBU
First purge with PMMA
1st part in PMMA
0 black specs
0 colour residue
Results
Normal results:
- Purge with competitor’s purging compound
- Scrap caused by purging compound contamination
- 10% scrap rate for black specs and milky mouldings
- 100% inspection
- Staff shortages
Aquapurge results:
- 2.9 kg BBU
- 0 black specs
- 0 milky mouldings
One Year On:
- No more 100% inspection
- Increased OEE