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Microcrystalline wax does indeed serve to improve rubber's abrasion resistance, with its mechanism of action primarily manifested in the following aspects:
Formation of a surface protective film: Following rubber vulcanisation, microcrystalline wax gradually migrates to the surface, forming a dense, continuous physical protective layer. This film effectively reduces direct contact between the rubber and external abrasive media, thereby mitigating wear.
Enhancing processing properties: During mixing and moulding, microcrystalline wax acts as an internal lubricant, improving rubber flow and promoting more uniform product structure, thereby indirectly enhancing wear resistance.
Synergistic anti-ageing: By shielding against ozone, ultraviolet radiation and oxygen erosion, it delays rubber ageing and cracking, preserving material integrity and sustaining long-term wear resistance.
Industry application data indicates microcrystalline wax is extensively employed in rubber products such as tyre treads, conveyor belts and seals to enhance wear resistance and durability.
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