Page 695 - Plastic Process Equipment, Inc

PURGE PACKS ®

HIGH PERFORMANCE PURGING SOLUTION

GRADE SELECTOR

Product Temp. Hot
GRADE Process Dosage ABS POM PE PP Nylon PC PBT PET PS PVC PEEK
Form Range Runners
Injection 1 oz.
275°F
PurgePacks per 1"
Liquid Blow Mold to Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Standard Screw
765°F
Extrusion Dia.
Injection 1 oz.
With 275°F .75mm
PurgePacks per 1"
Scrubbing Blow to minimum Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Plus Screw
Prills 765°F clearance
Extrusion Dia.
Injection 1 oz.
275°F
PurgePacks per 1"
Crystals Blow to Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Xpress Screw
765°F
Extrusion Dia.
Purging Guidelines CAUTION
When purging molding machines of any kind,
Follow these suggested procedures with PurgePacks ® always use safety equipment such as, but not
to Simplify the Purging Process and Save. limited to gloves, safety glasses, face-neck
shields, arm sleeves, safety vests, etc.
Step 1: Maintain processing profile for resin in the machine
and empty the barrel and screw of residual resin.

Step 2: Clean feed throat and hopper of any contaminates. Dump or vacuum. Do not reach into feed
throat opening for any reason!

Step 3: Adjust machine profiles for the resin required for the next job.

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PurgePacks Usage Chart
Use 1 ounce of PurgePacks for every 1 inch of screw diameter (1 inch=25.4 mm)
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INCH PurgePacks ® MM PurgePacks ®
1 in. = 1 oz. 25.4mm = 1 oz.
1.5in. = 2 oz. 38.1mm = 2 oz.
2 in. = 2 oz. 50.8mm = 2 oz.
2.5in. = 3 oz. 63.5mm = 3 oz.
3 in. = 3 oz. 76.2mm = 3 oz.
3.5in = 4 oz. 88.9mm = 4 oz.
4 in. = 4 oz. 101.6mm = 4 oz.
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Step 4: Once the machine is ready, place PurgePacks directly into the hopper and follow with enough
resin you are going to run next to fill the barrel. (with applications that require more than one
PurgePacks , place one PurgePacks into the hopper and follow with a small amount of resin and
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repeat until entire dosage has been added- then charge the barrel with resin).
Step 5: Make certain that the screw is in the forward position and add enough resin to flush the barrel of
any residue and resin appears natural and clean.

Step 6: Purging Process is Complete, resume with standard procedures for next job.
PurgePacks is a registered trademark of Plastic Process Equipment, Inc.
®
PLASTIC PROCESS EQUIPMENT, INC. www.ppe.com
e-mail: sales@ppe.com
E 8303 CORPORATE PARK DRIVE W 6385 MONTESSOURI STREET
A MACEDONIA, OHIO 44056-2300 E LAS VEGAS, NEVADA 89113-1186 Toll Free: USA, Canada & Mexico
S 216-367-7000 • FAX: 216-367-7022 S 702-433-6385 • FAX: 702-433-6388 800-362-0706
T TOLL FREE: 800-321-0562 T TOLL FREE: 800-258-8877 Order Fax: 800-223-8305
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