First pull 10 - 15 inches of mercury, for initial compaction, then reduce the vacuum to 5 inches of mercury, to avoid excess resin bleed, until cured. Platen Press A release film , in place of a release agent can often be used in a platen press. Follow lay up procedure for vacuum bagging. Apply 15-20 psi platen pressure until cured. Processing End Grain Balsa Core with Prepreg Reinforcements Pre cured skins or sheet metal face skins The use of rigid sheet end grain balsa is recommended.
Adhesive selection is critical .
The adhesive's compatibility with the face skin and core should be evaluated, as well as the ability to obtain a 'void free' bond line. The information contained here is based solely on limited data available to Baltek Corporation and Baltek Corporation's experience with the general properties of the specified product. Accordingly, no express or implied representation or warranty made either as to the accuracy of such information, or as to the results which may be obtained from, or the consequences of the use or application of, such information or the product.