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| Filler PowdersOnline Catalogue | Propmakers Materials and Effects | Glass Fibre Products & Jesmonite | Solvent Based Glass Fibre Systems | Filler Powders  | Glass Bubbles
These hollow spheres serve to increase the volume and decrease the density of any resin system and are used to make adhesives and filling compounds. They are regularly used to make easily sanded filling and fairing compounds and, in the theatre industry, they are added to textures such as Idenden to reduce the weight. Suitable for use below the waterline. |
|  | | Filler Powders
Inert fillers are used to produce a slurry for resin casting. A 50/50 resin/filler mix is common. |
| | | SP Micro Fibres
These are very fine wood-cellulose fibres commonly used to create structural adhesives for bonding both wood and grp. Because any low viscosity resin system is readily absorbed into a porous surface 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 bonding parallel to the grain with lower density, lower strength timbers, such as cedar or obeche, a microballoon mix is often adequate, and is of lower density. |
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Online Catalogue | Propmakers Materials and Effects | Glass Fibre Products & Jesmonite | Solvent Based Glass Fibre Systems | Filler Powders | 
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