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Robust plastic has mining in mind

A HUGELY durable reinforced plastic composite that weighs less than aluminium but has up to 10 ti...

Barry Avery
Robust plastic has mining in mind

Wearply reinforced plastic composite – which can withstand millions of stress cycles at 1400 bar (20,000psi) without fatigue failure – is used to optimise design and performance of machinery and plant components in which performance and reliability is vital including.

“Wearply derives its enormous strength, performance and durability from epoxy resins reinforced with continuously aligned, non-woven filaments,” Cut To Size Plastics managing director Laurie Green.

“This allows plies to be laid so reinforcement is oriented to give greater strength and stiffness in the direction, or directions, in which it is most needed.

“Parallel filaments resist the stress abrasion that can shorten the fatigue life in conventional reinforced plastics.

“This advanced engineering material is winning the attention of machinery designers globally for its superior performance in a huge range of applications, from vibratory machinery in minerals and primary production processing to its hygienic, highly resilient high insulation properties in food and beverage plant and electrical applications.

“The same qualities that make it suitable for advanced aerospace and medical applications – such as helicopter blades and MRI [magnetic resonance imaging] equipment – mean it can be employed with confidence in automotive, rail, marine and high-precision tasks where reliability is vital.”

Its advantages include high strength-to-weight performance, including 50% greater compression strength than 1020 steel and a strength-to-weight ratio up to 75 by 106mm.

It has high resistance to fatigue, which, combined with other properties such as high dynamic strength, makes the material very suitable for helper, guide and drive springs in swing and screen technology.

It is chemical and corrosion resistant, which has been demonstrated in a wide range of vibratory conveyors, feeders and screening equipment working in aggressive environments.

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