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Chemical Washing Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
Before an outsole receives primer or adhesive, its bonding surface must be perfectly clean. In the previous article, Roughing and Buffing Operation in Outsole Process, the outsole surface was mechanically prepared by removing the outer skin and increasing surface roughness. However, mechanical preparation alone cannot eliminate mould release agents, oils, waxes, fingerprints, dust, and other contaminants. Therefore, footwear manufacturers perform chemical washing as the next essential operation. Chemical washing creates a chemically clean bonding surface without damaging the outsole material. As a result, primers penetrate more uniformly, adhesives wet the…
Burnishing, Brushing and Polishing in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous article, Bottom Coloring in Outsole Process: Outsole (Stock Fitting) Assembly Series, we discussed how leather outsoles receive their final edge and bottom color to achieve the required shade, consistency, and visual appeal. Although coloring significantly improves appearance,…
Bottom Coloring in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous blog, Snuffing Operations in Outsole Process, we explored how controlled surface preparation improves outsole appearance and prepares leather or synthetic components for subsequent finishing operations. Once the surface becomes smooth, clean, and free from minor imperfections, the…
Snuffing Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous article, Splitting and Levelling in Outsole Process, we explained how leather outsoles are brought to a uniform thickness before entering the finishing stage. Although thickness consistency is essential, premium leather outsoles also require a uniform surface to…
Splitting and Levelling in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous article, Cutting Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series, we discussed how leather bends are accurately cut into outsole blanks while maximizing material utilization and maintaining grain direction. Although cutting produces correctly shaped components, the…
Cutting Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous article, Outsole Component Receipt and Incoming Inspection: Outsole (Stock Fitting) Assembly Series, we discussed how outsole materials are received, identified, inspected, and approved before entering production. Material inspection ensures that only conforming leather, rubber, EVA, TPU, TPR,…
Outsole Component Receipt and Incoming Inspection
Outsole (Stock Fitting) Assembly Series In the previous article, Understanding the Three Basic Types of Outsole – Outsole (Stock Fitting) Assembly Series, we explored the main outsole categories used in footwear manufacturing. However, selecting the right outsole is only the…
