Glass Fibre Reinforced Composites

Glass fibre products, such as endless glass fibres, chopped strands, mats, rovings, yarns, milled glass fibres, glass wool etc. are used as reinforcing materials in plastics. The strength imparted to the plastic by the glass fibre and the protection afforded to the glass fibre by the plastic, provide high profile properties.

Advantages:

• Low weight
• High elasticity
• Corrosion resistance
• Chemical resistance
• Good heat and sound insulation

The natural glass surface shows poor adhesion to polymers, particularly in the presence of moisture. For this reason the glass surface is adjusted organophilic by a size or finish treatment.

The essential components of the size or finish are silanes which effect:

• Improvement of adhesion
• Transmission of glass fibre strength to the polymer
• Reduction of moisture sensitivity
• Mechanical protection of glass fibres

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