PC materials
PC (polycarbonate) is used where appearance, dimensional requirements and mechanical behavior matter. Transparent, flame-retardant and reinforced grades differ: check color, thickness, specimen condition and the scope of any certification. Follow the specific supplier's moisture-control guidance and assess residual stress and service media.
PC handling and processing guide
This family-level guide is for preliminary screening, not a production recipe. Use the latest manufacturer instructions for the exact grade and equipment for drying, processing and safety settings; validate the process and part before production.
Storage
Keep sealed, dry and clean; protect transparent grades from dust, color contamination and condensation.
Drying
Dehumidify to the supplier's moisture target using the specified temperature and time. Check dryer dew point and hopper seals, and verify pellet moisture before molding.
Equipment setup
Calibrate temperature controls and actual melt temperature; avoid overheating and extended residence. Inspect trial parts for splay, bubbles, optical defects and residual stress, and validate chemical exposure separately.
Typical applications
Candidate uses include transparent housings, covers and electrical components. Optical, flame and food-contact requirements need the relevant grade and approvals.
Manufacturer example (specific to its products): Covestro Makrolon processing example
How to screen and compare grades
Start with the part’s operating temperature and exposure time, load, contact media, dimensional requirements and intended process. Compare specific manufacturers and grades: results with different test methods, specimen conditions, units or reinforcement are not automatically equivalent. A missing field means the information is unknown, not zero.
From data sheets to part validation
Use the database to build a shortlist, then request original data sheets, processing guidance and applicable certification from each manufacturer. Mold representative parts using the intended process and check dimensions, strength and function under the relevant combination of temperature, media and load; retain processing and lot records. Family-level guidance is not a guarantee for a particular grade.
Further reading: Ensinger — thermoplastic materials · ISO 1133-1 — melt flow testing
