Bahan Teknik

      1. Poly vinyl chloride (PVC) In case of PVC plastic is not very chewy and hard, but if it become soft PVC will be plexible and mengaret, the good properties of PVC which gives the dimensions of the stable and the other is its resistance to water, acids, alkalis and other solvents. Usage: Nature stiff (rigid) and PVC can ...

Non-Ferro Metals (Non-Ferrous Metal) is a type of metal that is chemically not have an element or Ferro iron (Fe), therefore it is referred to as a type of metal instead of iron metal (non Ferro). Some of these metals have been mentioned which includes metal and many commonly used either pure or as an alloying element. In the following ...

Nature around us is composed of various types of materials (material) and are potential sources that can be utilized to meet the needs of human life. Long before the industrial revolution humans have felt the benefits of the material and realize that the use of a material capable of changing human civilization, therefore, material (material) will be very important and ...

Metal materials commonly used 1. Iron Pig iron obtained by melting in a high kitchen poured into molds shaped half moon and widely traded for re-casted in sand molds called “Cast Iron” (cast iron) as a raw material products, which cast iron is processed into steel at steel kitchens which will produce various types of steel. 2. Copper Pure copper ...

26. Tantalum (Ta) Tantalum (Ta) and the white metal can be formed through cold working process. Process of heat can increase the hardness numbers drastically. Tantalum (Ta) has a melting point of 32070C and used in Cementite Carbide tooling and as an additional element to metal alloy non-Ferro. 27. Tellurium (Te) Tellurium (Te) has a melting point of 4520C slightly ...