Abstract
Silica/white rice husk ash hybrid filler for rubber composites for the manufacture of low speed castor wheel rubber treads
Highlights
During the manufacture of rubber products, incorporation of fillers to rubber matrices, in order to meet the end user service requirements and to gain economic advantages has been a common practice
It could be seen that average particle size of White Rice Husk Ash (WRHA) is larger than that of commercial silica used in the study
It could be seen that control sample (60 phr silica loaded) has exhibited almost similar ts2 and t90 values when compared with those exhibited by the corresponding WRHA filled sample (W60)
Summary
During the manufacture of rubber products, incorporation of fillers to rubber matrices, in order to meet the end user service requirements and to gain economic advantages has been a common practice. In view of growing public concerns of the environment, increasing stringent regulations on disposal of waste and associated cost coupled with the increasing global competitiveness of rubber products in the market, interest has been growing among researchers to study the potential use of materials derived from agricultural and industrial waste to be used in the rubber product manufacturing sector. Materials derived from agricultural waste such as rice husk ash (RHA), palm kernel shell powder and industrial waste such as ground rubber tyre (GRT), buffing dust, fly ash, etc. Among the derived materials from agricultural waste, rice husk ash, obtained from rice husk using low cost processing technologies based on combustion process contains a considerable quantity of silica (Jembere and Fanta, 2017). Two types of rice husk ash namely Black Rice Husk Ash (BRHA)
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