Cyclic Test is the method for moisture resistant test, we do for Rice Straw Board from Kokoboard. There are several steps 1. Put material in boiling water for 1 hour. 2. Dry material 3. Put the testing piece in cooling water for 24 hours 4. Dry material 5. Repeat step 1-4 for 3 times Above method called Cyclic Test Kokoboard have video present about Rice Straw Board in boiling water for 1 hour and 1 round, together with Particle Board and MDF. This would surprise you about this wonderful natural material Kokoboard have done.