SP Microfibres 100grams

SP Microfibres are very fine wood-cellulose fibres commonly used to create structural adhesives for bonding both Wood and GRP.

The fibres also help to prevent resin starvation when bonding porous surfaces such as wood, 

an unfilled adhesive may tend to give a dry joint. 

With their absorbent properties, microfibres can retain a significant quantity of adhesive within a joint and limit resin absorption into the surrounding surface, thus ensuring an adequate resin supply for adhesion. 

Where the strongest bond is required, e.g. timber scarf joints, 

microfibres should always be used in preference to hollow sphere-types of filler.


For adding strength to a resin and hardener mix used as a structural adhesive, 

short reinforcing fibres are often added which act in a similar 

strengthening way to the long reinforcing fibres used in composite construction.

Composition: Milled bleached cellulose wood pulp
Appearance: White ‘fluffy’ fibrous consistency
Particle Size: 200 - 300 microns
Particle Density: Particles absorb resin
Bulk Density: 100g/litre approx.

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Shipping Information 

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