<![CDATA[Research on the use of plastic waste has been carried out in recent years, but the weak adhesivity between the surface of the plastic and cement make a drastic reduction in compressive strength in the cement-plastic mixture. To overcome this problem, treatment iscarried out on the plastic that has been chopped using 4% NaOCl and 5% NaOH to convert the polymeric hydrocarbon groups in the plastic into R-COOH which is more reactive to thecement material. In this research nine solid bricks are evaluated to study four ABS material composition using pra-treatment 4% NaOH and 5%NaOCl, and four without pra-treatment.Those four ABS material compositions total are 0; 0,2; 0,4; kg. The results showed substitution of 0.4 kg ABS with treatment succeeded in reducing the dry weight of the block by 21% and increasing the compressive strength of the block by 30%. This shows theresulting brick has better quality than the brick without substitution.Keywords : ABS substitution, acrylonitrile butadiene styrene, solid brick, recycled plastic]]>
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