All About Plastics

Izod Impact Strength - ASTM D256 Plastic Test Standard

Energy per unit thickness required to break a test specimen under flexural impact. Test specimen is held as a vertical cantilevered beam and is impacted by a swinging pendulum. The energy lost by the pendulum is equated with the energy absorbed by the test specimen.

Notes:

• Charpy Impact Strength is no longer covered under this test method, but is included because Charpy values are still reported under this method.
• Unnotched Izod Impact Strength, covered by ASTM D4812, is included here because it is often cited as being tested by ASTM D256.
• Optional units of energy per unit area are supported by the standard. These are the ISO style units.

Read the full article on Izod Impact Strength - ASTM 256.

Top 10 Article & Case Study Downloads for Plastic Materials

Here's a report showing the most popular articles and case studies that were downloaded so far this year from our website.

1. Bonding Polyethylene, Polypropylene Their Co-Polymers & Alloys & UV Curing Adhesives Shine - Master Bond Inc.
   
   
2. High Performance Meets Affordability G-PAEK™ PEK - Gharda
   
   
3. Increasing Production Cycles with Dry Ice Cleaning - Cold Jet
   
   
4. Flame Retardant Plastics and UL Ratings Explained - RTP Company
   
   
5. Engineered Bioplastic Compounds - RTP Company
   
   
6. Technologies for Conductive Plastic Compounds - RTP Company
   
   
7. Plastics Snap-Fit Design Guide - BASF
   
   
8. Photovoltaic Materials: Understand the UL Requirements & Get Your PV Materials to Market Faster! - UL
   
   
9. Engineering Plastics Design Guide - BASF
   
   
10. Plastics Data Charts - IDES

 

High Performance Meets Affordability G-PAEK™ PEK

G-PAEK™ PEK was developed to offer design engineers a high-performance alternative to PEEK at an affordable price. Finally – High Performance Meets Affordability. Advantages of G-PAEK™ PEK Polymer vs. PEEK include:

• Delivers up to 3 times more wear resistance.
• Superior mechanical properties at elevated temperatures.
• Improved compressive strength.

Learn more through a free download available here.

Sell Your Plastic Fast!

The Plastics Marketplace™ is the place to sell your plastic. In fact, 700 distributors, brokers and recyclers use the marketplace as their preferred method for selling plastic to resin buyers. Here are a few reasons why you should list your plastics in the marketplace: 

• 10,000 people visit The Plastics Marketplace™ every month!
• 4,000 people receive a daily email alert highlighting recent listings.
• 83,000 resin buyers receive a bi-weekly email newsletter that includes recent listings.
• There are no fees to list the plastic you want to sell.

It's easy - list your materials today!

Thermoplastic Polyurethanes

Thermoplastic polyurethanes (TPUs) can be found just about anywhere, filling the void between flexible rubber and rigid plastic or simply serving as a replacement for other materials. Applications are limitless because TPUs are known for their extremely high wear resistance, good compression set, excellent tear strength, high elasticity, high transparency, great low temperature performance, durable environmental resistance and excellent processability. Combine this with their resistance to water and high temperatures, oils and grease while maintaining superior mechanical property performance, TPUs should be on everyone’s list who involved with product design, production and marketing. TPUs are a material that can add value and appeal.

Continue reading the full article on Thermoplastic Polyurethanes.

How to Shorten Purge Times

Purging is a necessary evil for any molders existence. Profits are in the molding, not in the time lost purging. Completely removing the old and unwanted resin from the screw and barrel assembly means greater quality control. Doing it quickly means you are back online faster and molding more.

The main reasons for purging are:

• Color changes
• Resin material changes
• To eliminate black specking
• Routine maintenance

And a purge can take 10 minutes or up to 10 hours depending on the severity of the problem.

Continue reading the full article on How to Shorten Purge Times.