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The choice for three jobs.

The Choice for Three Jobs

Monsanto Canada Inc. (Mississauga, Ont.) has an ABA/nylon alloy series, Triax 1000, used by Canadian manufacturers for three new applications requiring outstanding impact and temperature resistance; an innovative automotive roof rack from Nomadic Sport Inc. (Parry Sound, Ont.); snowmobile handles from Bombardier Inc. (Valcourt, PQ); and a grinding disc by Toronto's Gemtex Co. Ltd.

Triax is a line of thermoplastic alloys intended for applications such as automotive components, power tools, lawn and garden equipment, business machine enclosures, appliances and sporting goods.

Up on the Roof

The aerodynamically engineered roof rack looks like an intrinsic component of today's car designs, but can be removed easily without damaging or discolouring a vehicle's paint. It comes with module attachments to securely carry skis, bicycles, sailboards or luggage, making it a very versatile rack.

Fifty percent of the roof rack, including many module attachments and four unusually large |feet' that distribute loads evenly, is made of Triax 1180.

The alloy was only one of the tested materials, but the Monsanto product yielded faster cycle times and better part appearance with blemish-free surfaces. It is paintable, injection-moldable, and can withstand high impacts, salt-spray corrosion, and temperatures ranging from 85 [degrees] C to -30 [degrees] C. All of these attributes led to the product's choice by Nomadic Sport.

To prevent paint scratches and absorb vibration, the rack's feet and module attachments are padded with another Monsanto material, Santoprene. It is a thermoplastic elastomer extremely resistant to ultraviolet rays and ozone degradation and does not become hard over time.

The roof rack's crossbars are made of steel-reinforced aluminum for added strength. In fact, Nomadic says someone can stand on the bars without bending them.

The roof racks currently are available as an OEM dealer option on most new vehicles made by Suzuki, Toyota and Nissan in Canada, with other supply-arrangements pending with Detroit's |Big Three'. Nomadic has more than doubled its first-year sales goal of 5,000 units.

Dashing Through the Snow

Bombardier, the largest manufacturer of snowmobiles in the world, is specifying Triax 1180 to increase the chemical resistance of its snowmobile throttle and brake handles without sacrificing low-temperature impact resistance.

Looking to improve the gasoline resistance of its snowmobile handles, Bombardier switched to Triax 1180 from polycarbonate, a polymer that is resistant to low temperatures yet prone to chemical damage. This Triax grade meets all ASTM chemical immersion test #D543 criteria, ensuring better resistance to unleaded fuels and other chemicals. In addition, it maintains impact resistance to -40 [degrees] C, an important factor when specifying material for snowmobiles and other items intended for outdoor use and storage in cold environments.

Bombardier's conversion of its snowmobile handles to Triax 1180 has proven so successful, the company is now evaluating Monsanto's series of alloys or other applications.

A New Grind Stone

Gemtex's new Trim-Kut disc, which can be trimmed easily to various diameters to eliminate worn cutting edges, is able to achieve optimal durability and performance using Triax 1120 by Monsanto. Designed for applications needing extreme toughness, Triax 1120 gives the high-speed cutting discs with the high impact resistance needed to grind car bodies and a variety of metal appliances. In testing discs, moulded from Triax 1120, also resisted cracking in low humidity conditions, and so can be used year-round.

Gemtex's patented process of adhering abrasive grit directly to the face of the injection-moulded disc eliminates the need of rubber backing pads. This results in a much lighter and cooler running product.
COPYRIGHT 1991 Chemical Institute of Canada
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 1991 Gale, Cengage Learning. All rights reserved.

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Title Annotation:Plastics in Canada: the state of the art; thermoplastic alloy
Author:Phillips, J. Tim
Publication:Canadian Chemical News
Article Type:Cover Story
Date:Jan 1, 1991
Previous Article:Applied Research Centre for Polymers.
Next Article:Additions to the line.

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