Home About Us Contact Us Update Profile Sitemap Help
Polymerland Industry Directory Business Solutions Industry News Search Feedback
Buy Design Interact Research
Research Ge Plastics Technical Information Library
IDES
GE Live
Technical Answer Center
Technical Facts
Technical Tips and Case Studies
Trouble Shooting Guide
Processing and Design Guides
Glossary of Terms
Datasheets



Inventory Planning Wizard
Auto Color Wizard
Auto Spec Wizard
Technical Guides & Case Studies/Technical Tips & Case Studies

Generic Screw Design for Injection Molding

Plastic
Screw Profile (1)
Compression Ratio (2)
Meter Depth
(3)
ABS
ACETAL
ACRYLIC
LONG
SHORT
LONG
LOW
MEDIUM
LOW
DEEP
SHALLOW
DEEP
HDPE
LDPE
NYLON
MEDIUM
SHORT
LONG
MEDIUM
MEDIUM
HIGH
SHALLOW
MEDIUM
SHALLOW
PBT
PC
PEI
MEDIUM
MEDIUM
MEDIUM
LOW
LOW
MEDIUM
SHALLOW
DEEP
MEDIUM
PP
PPO
PS
LONG
SHORT
LONG
MEDIUM
LOW
LOW
SHALLOW
MEDIUM
MEDIUM
PVC (F)
PVC (R)
SAN
LONG
SHORT
LONG
LOW
LOW
LOW
MEDIUM
DEEP
MEDIUM

  1. Transition length; "SHORT" - 4 turns or less; "MEDIUM" - 5 to 7 turns; "LONG" - 8 turns or more.
  2. "LOW" - less than 2.5:1; "MEDIUM" - 2.5:1 to 3.5:1; "HIGH" - 3.5:1 or more.
  3. Degree of depth: Example - "MEDIUM" for 2" diameter .100" to .125".




DISCLAIMER: THE MATERIALS AND PRODUCTS OF THE BUSINESSES MAKING UP THE GE PLASTICS UNIT OF GENERAL ELECTRIC COMPANY, ITS SUBSIDIARIES AND AFFILIATES ("GEP"), ARE SOLD SUBJECT TO GE POLYMERLAND'S STANDARD CONDITIONS OF SALE, WHICH ARE INCLUDED IN THE APPLICABLE DISTRIBUTOR OR OTHER SALES AGREEMENT, PRINTED ON THE BACK OF ORDER ACKNOWLEDGMENTS AND INVOICES, AND AVAILABLE UPON REQUEST. ALTHOUGH ANY INFORMATION, RECOMMENDATIONS, OR ADVICE CONTAINED HEREIN IS GIVEN IN GOOD FAITH, GE POLYMERLAND MAKES NO WARRANTY OR GUARANTEE, EXPRESS OR IMPLIED, (I) THAT RESULTS DESCRIBED HEREIN WILL BE OBTAINED UNDER END-USE CONDITIONS, OR (II) AS TO THE EFFECTIVENESS OR SAFETY OF ANY DESIGN INCORPORATING GE POLYMERLAND MATERIALS, PRODUCTS, RECOMMENDATIONS OR ADVICE. EXCEPT AS PROVIDED IN GE POLYMERLAND'S STANDARD CONDITIONS OF SALE, GE POLYMERLAND AND ITS REPRESENTATIVES SHALL IN NO EVENT BE RESPONSIBLE FOR ANY LOSS RESULTING FROM ANY USE OF ITS MATERIALS OR PRODUCTS DESCRIBED HEREIN. Each user bears full responsibility for making its own determination as to the suitability of GE Polymerland's materials, products, recommendations, or advice for its own particular use. Each user must identify and perform all tests and analyses necessary to assure that its finished parts incorporating GE Polymerland materials or products will be safe and suitable for use under end-use conditions. Nothing in this or any other document, nor any oral recommendation or advice, shall be deemed to alter, vary, supersede, or waive any provision of GE Polymerland's Standard Conditions of Sale or this Disclaimer, unless any such modification is specially agreed to in a writing signed by GE Polymerland. No statement contained herein concerning a possible or suggested use of any material, product or design is intended or should be construed, to grant any license under any patent or other intellectual property right of General Electric Company or any of its subsidiaries or affiliates covering such use or design, or as a recommendation for the use of such material, product or design in the infringement of any patent or other intellectual property right.

For more information on GE Polymerland, please refer to our Contact Information Page.

Back to Top

TECHNICAL TIPS
Ultrasonic Weldability Part 2
Polystyrene Processing Guide
How SPI mold finishes relate to part release
Determining K-Thermal conductivity
Successful Mold Trials by Telephone
Ultrasonic Weldability
Melt Index Test
Estimating Pressure Drop
Barrel Residence Time
List of Purging Materials
Mold Cooling
Product Design
General Unit Conversions
Volume to Weight Conversions
Generic Screw Design for Injection Molding
Basic Polymers: Commodities
Common Shrinkage Values
Plastics by Performance Ability
Guide to Thermoplastics
Typical Start-Up Conditions for Extrusion
Drying of Resin Materials
Venting
Specific Gravity
Privacy Policy | Terms and Conditions © 1997-2000 General Electric Company