The MicroBond family of adhesives is now available through the Microscale website. MicroBond is a CA and works very well for bonding dissimilar materials together. The new MicroBond family is not like many hobby grade CAs on the market. It has shear strength a bit of flexibility to compensate for expansion and contraction properties of different materials. For most applications you can use MicroBond straight out of the bottle to bond rubber, assorted ABS and styrene plastics, brass, steel, resins, leather, wood, etc.
When you encounter the problem of attempting to bond anything to Delrin and Celcon you will need to prep the Delrin/Celcon surface first with MicroPrep. MicroPrep is a surfacer that increases adhesion so you may bond and paint to that surface more reliably. MicroPrep will work with any sort of adhesive, however, the MicroBond adhesive has demonstrated it's ability to flex a bit instead of flake off with the Delrin types of plastics. For best results overall, use MicroBond when bonding to difficult-to-bond plastics.
For styrene to styrene bonds a product called MicroWeld is recommended. Presently MicroWeld is being reformulated for better styrene bonds then it's previous incarnation. MicroWeld has a bit slower drying time then most MEK solvent based cements. One could use MEK to thin out the MicroWeld and adjust the evaporation speed if it is desired to have a quicker acting cement. Applications performed at Microscale has discovered it takes about 10 minutes to cure when bonding two styrene surfaces together. The bond compared to the last incarnation of MicroWeld is much stronger with the new formulation.
These three products form a complete modeling solution for creating master models that will hold up over time. We at Microscale look forward to bringing the modeler more products and tools to assist you with your hobby.
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Each month we will be letting you know what we're working on for the near future. Please remember to check out this newsletter each month for details of upcoming releases.
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