Permabond® A136 is an anaerobic material designed for making ‘formed in situ’ gaskets between metal surfaces. It is capable of replacing a wide range of conventional gaskets thereby offering potential for reduced stock holdings.
Though the anaerobic adhesives will tolerate a slight degree of surface contamination, best results are obtained on clean, dry and grease free surfaces. The use of a suitable solvent-based cleaner (such as acetone or isopropanol) is recommended.
In general, roughened surfaces (~25μm) give higher bond strengths than polished or ground surfaces.
To reduce the curing time, especially on inactive surfaces (such as zinc, aluminium and stainless steel), the use of Permabond A905 or ASC10 can be considered.
1) Apply as a bead, by roller, silkscreen or stencil. Ensure all potential leak paths such as flange bolt holes are encircled.
2) Removal: use normal tools to prise the surfaces apart.
3) Ensure old adhesive is removed before reassembling the parts.
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