Processing on extruders

• Does PLEXIGLAS^® molding compound require drying prior to processing?

• At which temperatures can PLEXIGLAS^® molding compounds be predried?

• Which screw speeds are specified for processing PLEXIGLAS^® molding compound?

• How can streaks be avoided in the direction of extrusion?

• How can bubbles be avoided in the extrudate?

• How can bubbles be avoided in the bead?

• How can clouding of colored extrudates be avoided?

• How can dull surfaces be prevented on extrudates?

• How can rough surfaces be avoided on extrudates?

• How can streaks or lines be avoided at right angles to extrusion direction?

• How can porous, eroded surfaces be avoided on extrudates?

• How can chatter marks (waves at right angles to extrusion direction) be avoided?

• How can pimples or specks be avoided in extrudates?

• How can a yellowiing of extrudates be avoided?

• How can shrinkage be reduced?

• How can fluctuations in feed be avoided?

• How can thickness fluctuations be avoided at right angles to machine direction?

• How can thickness fluctuations be avoided in machine direction?

• How can the sheet edges be prevented from curving upward or downward?

• Which driers are suitable for drying PLEXIGLAS^® molding compounds?    

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