Evaluation of the suitability of tin slag in cementitious materials: Mechanical properties and Leaching behaviour

Andi Rustandi, Fuad Wafa Nawawi, Yudha Pratesa, Agung Cahyadi

Research output: Contribution to journalConference articlepeer-review

9 Citations (Scopus)


Tin slag, a by-product of tin production has been used in cementitious application. The present investigation focuses on the suitability of tin slag as primary component in cement and as component that substitute some amount of Portland Cement. The tin slags studied were taken from Bangka, Indonesia. The main contents of the tin slag are SiO2, Al2O3, and Fe2O3 according to the XRF investigation. The aim of this article was to study the mechanical behaviour (compressive strength), microstructure and leaching behaviour of tin slag blended cement. This study used air-cooled tin slag that had been passed through 400# sieve to replace Portland Cement with ratio 0, 10, 20, 30, 40 by weight. Cement pastes and tin slag blended cement pastes were prepared by using water/cement ratio (W/C) of 0.40 by weight and hydrated for various curing ages of 3, 7, 14 days The microstructure of the raw tin slag was investigated using Scanning Electron Microscope (SEM). The phase composition of each cement paste was investigated using X-ray Diffraction (XRD). The aim of the leachability test was to investigate the environmental impacts of tin slag blended cement product in the range 4-8 pH by using static pH-dependent leaching test. The result show that the increase of the tin slag content decreasing the mortar compressive strength at early ages. The use of tin slag in cement provide economic benefits for all related industries.

Original languageEnglish
Article number012046
JournalIOP Conference Series: Materials Science and Engineering
Issue number1
Publication statusPublished - 7 Feb 2018
Event1st International Conference on Chemistry and Material Science, IC2MS 2017 - Malang, East Java, Indonesia
Duration: 4 Nov 20175 Nov 2017


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