Film Extrusion

OCS: Optical Control System

OCS is a German based company that manufactures equipment for analyzing the quality of extruded polymeric materials.

Alpharetta has 2 film lines that are manufactured by OCS:

• OCS ME20/26: The "small OCS" produces film at 4" and 6" widths.

• OCS ME30V4: the "large OCS" can produce film up to 12" wide.

FSA: Film Surface Analyzer

The film surface analyzer is a piece of equipment that is used on both of Alpharetta's film extrusion lines. The FSA detects defects on extruded films through two methods:

• Transmission: Light is passed through the extruded film and the variance in light that reaches the detector is measured. This method is typically used for transparent / translucent films.

• Reflectance: Light is projected onto the surface of the extruded film. The detector is offset 90° from the light source and detects variations in the light that is reflected off of the surface. This method is typically used for opaque films.

Both of Alpharetta's film extrusion lines have FSA that can detect in transmission and reflectance modes.

Alpharetta Film Line ADL Project Summary Report

This report provides a brief description of recent film extrusion trials, experiment objectives, observations, analysis, and conclusions.

Alpharetta Film Line Training and Operation Guide

This guide summarizes the training provided by Southern Analytical, Inc. It is a basic guide to the various parts of the OCS film lines and the procedures involved with preparing the film lines for extrusion trials. This guide is currently under construction.