Pengaruh penambahan filler kapur dan kaolin terhadap kekerasan dan pukul takik kompon PVC
Journal: Majalah kulit, karet, dan plastik (Vol.5, No. 9)Publication Date: 1990-12-30
Authors : Sofyan Karani; Arum Yuniari;
Page : 25-37
Keywords : ;
Abstract
The objective of this study is to detect whether there is any influence on the physical quality of the PVC compound (hardness and impact resistant). Which CaCO3, kaolin and mixture of CaCO3 and kaolin as filler is added into the batch. The more the filler added into the batch, the higher the hardness will be. The highest figure of the test result can be presented as follow : with the addition of 135 phr CaCO3 as filler the hardness is 71,2 shore D, addition 135 phr CaCO3 as filler the hardness is 74,0 shore D, while with the addition of 55 phr CaCO3 and 80 phr kaolin, the hardness is 77,0 shore D. The more the CaCO3 filler added into the bath, the higher the impact resistance will be, whereas the more the kaolin as filler added the lower the impact resistance will be. By the addition 135 phr of CaCO3, the highest figure of the impact resistance is 4,34 kg cm/cm and by the addition of kaolin the highest figure is 1,99 kg cm/cm with 75 phr kaolin. While by the addition of the mixture of 40 phr CaCO3 and 50 phr kaolin as filler, the highest figure is achieved at 2,98a kg cm/cm, and after that it will be decreasede.
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