NANO-PARTICULATE FLAKE GLASS FILLERS

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11th October 2007

Source: Glassflake Limited

Focus on R&D to achieve product improvements has enabled Glassflake to successfully reduce the thickness of its flake glass products, bringing these within a range referred to as nano particulate (less than 100 nanometres).

The work was prompted by research indicating that whilst thicker flake offers benefits in certain areas, there are significant additional advantages to be gained by using ultra-thin materials in many applications.

Glassflake Ltd has been manufacturing flake with thicknesses in the sub-micron range for some time, and is already marketing product at 750, 500 and 350nm. The company’s latest R&D successes have allowed Glassflake to produce flake in the less than 100nm range, aimed primarily at applications within thermoset and thermoplastic polymers and films.

Nano particulate flake glass produced by Glassflake may be used either on its own or in conjunction with the much vaunted clay silica nano-flake or fibre. Potential benefits include improved fire retardancy with better mechanical properties and chemical resistance. Significantly, Glassflake materials offer the additional benefit of defining thickness and aspect ratio, which is not possible with nano-clay silica flake.

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