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Applications: Highly stress-able, gap-bridging bonds require the use of two component glues which, after both components have been mixed together, will cure into a solid plastic. The two component glues which are based on epoxy resin are distinguished by their being especially good for use with metals. Treatment: Resin and curing agent (hardener) – the names of the two components – must be mixed in the correct ratios so as to ensure that the full adhesive strength is attained. The apportioning can be done by eye in the case of small amounts but larger amounts (over 20 grams) should be done by weight. The limited working life (open time) requires that the adhesive mixture be made in a sufficient amount to complete the job at hand. During the curing process the glue gives off a great deal of heat – temperatures over 100 ºC can be reached and these can lead to deformations in thin plastic assembly pieces. Important: Larger amounts of two component glues start to turn into gels sooner because the heat being produced accelerates the reaction. This can be redressed by doing the mixing in a flat bowl. The opposite is naturally also true: by heating the mixture with, for example, a hair dryer, the hardening time of two component glue is shortened. Care should be taken when reclosing the containers: the caps should not be interchanged because they will then glue shut.
Attributes: This adhesive has residual elasticity when cured and is resistant to numerous chemicals, oil, benzene and temperatures up to about 80 ºC. The glued areas can be sanded and polished with good results. Applications: This transparent epoxy minute glue is especially good for gluing metal, rubber, wood, ceramic and cement. It can also be used successfully with various plastics with high tensile strength and impact resistance. Its quick curing makes it good for fast repairs and mounting work in industry, handicrafts and model making. Treatment: This epoxy minute glue, which has the consistency of honey, has a working life of about 2 – 4 minutes and is already sturdy after curing for 35 minutes. The double syringe which serves as the container automatically releases the components in the correct ratio.
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