Grade strengths
High cleaning power with broad use, Hot Runner included
Use cases
Color change, material change and machine sealing
ASACLEAN grade · general
RUASACLEAN purging compound
R-Series for color and material changes, with Hot Runner support
Confirm clearance and residence time per TDS
180–330°COperating temperature
Definition & positioning
What jobs fits RU
R-Series for color and material changes, with Hot Runner support. Use for color change, material change and machine sealing — verify TDS limits before use
- Process
- Injection including Hot Runner; extrusion compounding/profile
- Resin
- General-purpose resins and most engineering plastics
- Temperature
- 180–330°C
- Objectives
- Color change, material change and machine sealing
- Hot Runner
- Compatible with minimum 0.5 mm clearance
- Glass Fiber / Additives
- Glass-fiber-free
- Machine Sealing
- Machine sealing compatible
- Residence / Clearance
- No screen finer than 100 mesh; max 30 min residence above 280°C
Limits before use
Confirm clearance and residence time per TDS
Check on site: Temperature, resin type, Hot Runner, clearance, screen mesh and residence time
Basic operation
Basic usage
- Confirm RU resin and temperature
- Purge old resin and set the machine per TDS, observing: no screen finer than 100 mesh; max 30 min residence above 280°C
- Feed purging compound; adjust back pressure and screw speed to machine state
- Chase purging compound out with next resin; verify cleanliness before production
Injection purging procedure · Extruder guide · Back Pressure and Screw Speed
Technical documents
The TDS is the authoritative document for temperature range, process and limits
Download TDS · March 2025SDS under review
RU FAQ
At what temperature does RU run
The confirmed range for RU is 180–330°C
Can RU run Hot Runner
Compatible with minimum 0.5 mm clearance
Can RU seal machines
Machine sealing compatible
Plan a controlled trial for RU
CSC technicians verify terms, set the baseline and define pass criteria
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