2.3 manufacturing fibre composites. Bring your mix viscous preparation step 3.2.2 mixed with salt, sodium sulfate, where the ratio of 40:60. mixed with orange, then poured into the mold size 7x7x1.5 (cm), which is made from a wire sieve mesh dimension 100 placed in the beaker, pour concentrated sulfuric acid with 10 per cent, by weight, down to the left, forming a sponge sponge Ecru sheep which was released from the mold, wash with water and then get rid of the water out by using acetone desiccation put zipper bags to prepare to test absorption.
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