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Tensol 70 is designed for bonding cast acrylic sheet. It will also bond extruded acrylic sheet, but will cause Tensol 70 is a two component, acrylic adhesive which hardens at room temperature by the polymerisation Thoroughly mix the adhesive by stirring, taking care to entrap as little air in the adhesive as possible. The SW or AG grades and is not suitable for laminating sheets. Typical bond strengths are 24 MPa for a cold
petroleum ether or white spirit then washed with water. Extruded or machined parts should be annealed Liquid solvent is applied using a brush or a syringe (often supplied with the glue). As it is a liquid, it is drawn along joints and surfaces through a process called capillary action. Care must be taken, as the glue damages exposed surfaces (as it melts the surfaces of the materials forming a ‘weld joint’).
Joints will be set sufficiently to be handled after 3 hours but must not be machined for at least 24 hours
Once the adhesive has set the final bond strength can be increased by heat curing the material. This can
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for 3 to 4 hours at 80oC. Thermoformed, highly stretched components may be heated for 4 to 5 hours at Extraction and ventilation is vital. Tensol releases fumes, dangerous to inhale. The fumes can ignite under the wrong circumstances. For this reason, extraction / ventilation is vital. Wear suitable protective clothing. only be done at least one hour after the adhesive has set. Non-thermoformed components can be heated Cover the container and allow the mixed adhesive to stand for 5 minutes to allow the larger air bubbles to
An alternative to a vice is a set of G-Cramps. These spread the pressure across the surfaces being joined, in much the same way as a vice. Notice the wood lengths that protect the ‘plastic’ and evenly distribute the pressure from the clamps. Do not use adhesive that has been mixed for more than 20 minutes as it will be difficult to use and give They should be left twenty four hours before taking out. This glue is very strong as it 'fuses' both dissolved in solvent for the bonding of acrylic sheet for interior use only. Tensol 12 hardens as the solvent
The bonds obtained using Tensol 70 are of approximately the same strength as the acrylic sheet. Typical The adhesive will be hardened sufficiently within one and a half hours to allow careful handling of the Before using Tensol 12 store the adhesive at 5 to 10oC for 12 hours to reduce solvent evaporation between
assembly. After 4 hours cure the parts can be lightly machined but, for the best results, the joint should be shrinks on curing allowance must be made for this when making butt joints and fillet joints. When bonding Tensol 12 is designed for the bonding of cast acrylic sheet intended for interior use only. Extruded acrylic sheet can be used if it is suitably annealed prior to bonding. Tensol 12 must not be used with Perspex ME, of the Part A. The Part A is a viscous mixture of acrylic polymer dissolved in monomer. The Part B is aSelect an adhesive (Tensol), which joins plastics such as acrylic, together permanently. Tensol is also called ‘dichlormethane methyl methacrylate’ and produces a chemical weld between two surfaces. Tensol is applied to the surfaces to be glued and they are pressed together. The surfaces are clamped for 24 hours. applying the adhesive and assembling the parts. Dispense the adhesive from a small polythene bottle
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