Effect of shredded recycled powder free latex gloves on the properties of hollow concrete block
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Date
2019-05
Authors
Noor Nabila Binti Aznan
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Abstract
Malaysia is one of the biggest producer and exporter of examination and surgical glove
in the world and glove industry dominates approximately 70% of all rubber products
exports in the country, supplying close to 60% of the world consumption. However, latex
products manufacturing industry is still faced with mitigating with rejected glove such
as glove does not meet specifications required. In order to save latex glove from landfills
sustainable methods of waste disposal such as recycling, composting and upcycling are
being evaluated. For these reasons, study on the effects of using latex glove is needed to
observe the potential to replacing latex glove as a fine aggregate in concrete. Concrete
blocks were prepared at 5% of shredded powder free latex gloves (PFLG) replacements
levels using water to cement ratio of 0.5. The mix used in this research is dry mix. Several
tests were conducted to concrete block namely, compressive strength, water absorption,
initial rate of suction, density test and dimensions and tolerances. As a result, the
replacement of 5% shredded PFLG, reduce the strength of the concrete block. It was
found that the PL concrete block absorb more water compared than the control concrete
block. The density of PL concrete block lighter than control concrete block due to the
replacement of shredded PFLG in the concrete block. The replacement of shredded
PFLG in concrete block decreases the initial suction rates because PFLG do not absorb
water.