| 摘要 |
The invention is a lightweight, economical and durable concrete which is easily manufactured from commonly available materials, and its method of manufacture. The concrete composition comprises cement, perlite, pumice and water. The cement is common Portland cement. The perlite is an expanded perlite available. Preferably, the perlite is {fraction (3/16)}'' minus to dust in size. The pumice is common pumice aggregate. Preferably, the pumice is ¾'' minus to dust in size. Additional, optional, conventional components for adhesiveness, color, texture, hardening and drying time may also be added.
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