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The nature of the clay shaft is ceramic body’s ability to absorb water, or can be said as well as the degree of density ceramic body weight after being burned. Porosity properties is very important because of the presence of this nature will allow the evaporation of water or water-forming membranes out during the drying process and combustion. In the ...

Rattan jernang (Daemonorops spp.) Is one of the non timber forest products of high economic value. If the general were utilized from rattan is the stem, but the rattan jernang utilized is a red resin / sap found on the surface of the skin of the fruit. Resin red is processed to be used as an assortment of drugs (externally ...

Indonesia is a country with high biodiversity, especially in humid tropical forests. One forest products to date are still not replaceable timber from natural forests and the need is increasing with the increase in population. However, because the speed of harvesting that is not balanced with the pace of growth, the pressure on natural forests and the greater availability of ...

a) Silica Silica is a material widely used to make ceramics, glazes, glass, etc. This material has the properties so that when the plastic is not used to make the ceramic body will reduce the level of plasticity and depreciation. Silica in the ceramic body is used to add capabilities to shape and hardener, while the glaze serves as penggelas. ...

Almost all existing clay in Indonesia called “loam”. Clay is a natural product, namely hasilpelapukan that a large part of the earth’s crust consists of rocks feldspatik, such as granite rocks and igneous rocks. Before the move, the clay is a pure mineral found in rock solid heat and then dissolve. Soluble rock is no longer rock hard as the ...

(1) Animal Glue In umu le mini known types of glue Kak. This material is made of collagen (a protein animal skins, bones and bone connective meat). The specialty of this material is soluble in hot water, and the cooling time clotting occurs such as agar-agar (jelly), so that it can generate power lam first adhesive that is strong enough. ...