Calibre 603-6

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CALIBRE 603-6 Polycarbonate Resin is a branched polycarbonate resin specially designed for multi-wall sheet extrusion. CALIBRE 603-6 offers a high melt strength to calibrate effectively a wide range of multi-wall sheet structures from low to high complexity, such as seven wall sheet. CALIBRE 603-6 offers a wider processing window than CALIBRE 503-5 and is likewise specially designed to give excellent sheet surface quality at high line speeds with a reduced tendency to display chatter marks. CALIBRE 603-6 contains a UV absorber additive, but sheets for outdoor applications require a protective UV-absorbing cap layer. It is recommended to coextrude a 50 micron thick cap layer from CALIBRE 320UV.

Main Characteristics:

• Wide processing window
• High surface quality
• Minimizes chatter marks

Applications:

• Low to high complexity multi-wall sheets

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