Recent Posts by Nancy Williams

What you need to know about Standard Urethane Products

Cast Urethane is known for its roughness, durability, and quality. Here’s what you need to know about our standard urethane products.
  1. Cast urethane products improve service life. Our MP Series product line, for example, can improve service life 10-20x when compared to conventional rubber or plastics. Urethanes also outlast hardened steel by 5-1!
  2. Stock shapes...
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Guide to Machining Cast Polyurethane Elastomers (Part 2): Knifing, Milling, Drilling, & Grinding

This month, we continue our guide to machining cast polyurethane elastomers and will be taking a closer look at knifing, milling, drilling, and grinding: Knifing: It’s important that the knife tool be as thin and sharp as possible to get the most precise cuts when close tolerances are present. For metals with hardnesses between 70A and...
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Guide to Machining Cast Polyurethane Elastomers Part 1: Sawing, Turning, Facing, and Boring

Machining metal and plastics are similar some aspects, but each have unique properties where it differs. In Part 1 of our guide to machining cast polyurethane elastomers, we look at 4 machining techniques: sawing, turning, facing, and boring: Sawing: We’ll most often use a band saw for cutting urethane because the long blades run cooler, and...
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What you need to know about injection molding

Injection molding, like it’s name hints, is when plastic granules or pellets are melted and injected under pressure to fill a mold. The mold is then cooled and reused to create exact copies of the part. In this process, hardened plastics are added to a hopper, are melted to a pliable temperature, and pushed into the...
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What is the IAPD’s GreenScene Program?

At Harkness Industries, we are proud to be part of the International Association of Plastics (IAPD) GreenScene program. The association developed this program for all member companies that are engaging environmentally friendly business and manufacturing practices. Qualifying plastics manufacturers compete an application and must earn a minimum of 100 points to qualify for GreenScene designation. The...
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Product profile: Urethane applications

If you’re looking for a cost-effective, tough plastics material, consider Urethane Plastic. Urethane elastomers is strong, but flexible enough to “spring” back to its original shape when bent or stretched. It’s ideal for highly stretched parts like pulley wheels, conveyor  rollers, ball-bearings, bushings, and cart wheels. Benefits of urethane elastomers:
  • high load-bearing capacity (tension, compression, shear)
  • ...
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Who is Fimor North America?

In October 2017, we announced that Fimor North America purchased Harkness Industries. The merger of our two companies will provide our customers exciting new possibilities in the years to come. Fimor was founded in 1977 and provides custom molded polyurethane parts and semi-finished products for numerous industries, protection applications, scrapers, and railroad infrastructure. Today, they...
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Abrasion-Resistant Polyurethane Liners

When you need extreme wear resistance that will outlast hardened steel by a factor of 5-1, use abrasion-resistant polyurethane liners in your next plastics manufacturing project. These polyurethane liners are ideal for harsh friction environments like bins, hoppers, turnheads, chutes, and discharges. Light-weight and noise damping, these polyurethane liners help protect your critical machinery from everyday,...
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Fimor North America Purchases Harkness Industries

We are pleased to announce that on October 31, 2017 Harkness Industries was purchased by Fimor North America, a wholly owned subsidiary of the Fimor Group. Merging our two companies will bring exciting new alternatives to our customer base. Fimor's excellence in large scale manufacturing of case polyurethane sheets will expand the offerings of the Harkness...
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