Guides

Designing with Plastics

Firstly, designing with plastics can be addressed under four inter-related headings: Function: Will it do the intended job? For how long? Form: Does it have the shape to: Do the function economically? Will it please the user? Does it suit …

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Polymer manufacturing processes

Introduction to Polymer Processing The conversion of raw polymers into finished products involves a series of steps. The first step consists of mixing additives into the polymer to achieve the required modification to the properties of the raw polymer. The …

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Introduction to Polymers

Introduction to Polymer Classification The family of plastics materials is closely related to two other important families of manufacturing materials, textile fibres and elastomers (rubber), in that they are all based on carbon (organic materials) and they consist of extremely …

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How useful is Tensile Strength data ?

This article on tensile strength was written by Dr.Charlie Geddes for Hardie Polymers. When scanning a thermoplastics data sheet for a new project or finding a replacement for an existing grade, the eye tends to get drawn to the values …

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How useful is Tensile Strength data ?

How do electrostatic dissipative (esd) thermoplastics work?

Electrostatic dissipation When two polymeric surfaces are rubbed together static electrical charges are generated on the surfaces.  Party tricks involving picking up pieces of paper with a comb are amusing.  However, static electricity can be a nuisance in the plastics …

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How do electrostatic dissipative (esd) thermoplastics work?

Does FR imply fire resistance?

  Does FR imply fire resistance? When we see ‘FR’ in a plastics grade coding we can sometimes be lulled into believing we have a material that is ‘fire resistant’.  Of course the bottom line is that, because all plastics …

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Does FR imply fire resistance?

Does the coding for Polyamides mean anything to designers and processors?

Polyamides are macromolecules with repeating units linked by amide bonds. Polyamides occur both naturally and artificially. Examples of naturally occurring polyamides are proteins, such as wool and silk. Artificially made polyamides can be made through step-growth polymerization or solid-phase synthesis. This yields …

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