How to Make Hollow Blocks from Rice Hull


  1. Burn rice hull into ashes.
  2. Refine the ashes.
  3. Mix the ff.:
    • 60 parts of cement
    • 40 parts of rice hull ash
    • water
  4. Put in a wooden mold.
  5. Let it dry.

For more information, contact:

Dept. of Science and Technology
Rm. 303 DOST Bldg., DOST Complex,
Gen. Santos Ave., Bicutan, Taguig City 1631
Telephone Nos: (632) 837-20-71 to 82

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