Educational Programs

Term Definition
Carbon Footprint The total greenhouse gas (GHG) emissions caused by an individual, event, organization, service, place or product, expressed as carbon dioxide equivalent (CO2e).
Chrome III

A naturally occurring trivalent element used in tanning leather that is non-toxic.

Chain Of Custody The chain of custody (CoC) is an unbroken and documented chain of ownership of materials and products all the way from the supplier to the end user.
Cellulosic Fibers Fibers structured from cellulosic, which is a starch-like carbohydrate. Cellulosic fibers are created in a man-made process by dissolving natural materials such as cellulose or wood pulp, which are then regenerated by extrusion and precipitation.
Chrome Leather Leather that has been tanned using chrome - most of the world’s leather is tanned this way as it is a proven process that produces a stable end-product that makes up well into a wide range of items from footwear to furniture, bags, gloves and apparel.
Chrome VI A banned hexavalent version of Chromium created by an industrial process.
Chrome-free Leather Leather tanned using alternative methods to chrome - usually aldehydes.
Circular Economy An economy that uses a systems-focused approach and involves industrial processes and economic activities that are restorative or regenerative by design, enable resources used in such processes and activities to maintain their highest value for as long as possible, and aim for the elimination of waste through the superior design of materials, products, and systems (including business models).
Closed-loop Production Production processes that reuse material waste created during the production process for additional products as well as using the recycled ingredients for reuse in the production process and/or to create new items.
Color Fastness

A test method to measure the fixing of coloring dyes and pigments from the retanning and finishing processes.

Color Standards Swatch of leather approved and signed off by customer/brand. Color standards are distributed between: brand, shoe factory and tannery.
Color Windows

Window used for confirming color tolerance, for example, lighter than standard, darker, more red and more yellow. If matched color is within the agreed upon range on the color window it is acceptable for shipment.

Compostable Materials Materials that are capable of undergoing biological decomposition in a compost site as part of an available program, such that the material is not visually distinguishable and breaks down into carbon dioxide, water, inorganic compounds, and biomass, at a rate consistent with known compostable materials.
Composting An aerobic process designed to produce compost. Compost is an organic soil conditioner obtained by biodegradation of a mixture consisting principally of vegetable residues, occasionally with other organic material, and having a limited mineral content.
Corrected Grain Leather from which the grain layer is partially removed by deep buffing and a surface recreated with various finishing steps.
Cradle To Cradle Certified®

A globally recognized and accepted measure of safer and more sustainable products made for the circular economy.


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Creation Of Sustainable Materials, COSM™

COSM™ (Creation of Sustainable Materials) is a division in ISA TanTec Group, which specializes in the development and production of additional sustainable products alongside its sustainable leather production. All COSM™ products are made by following the LITE manufacturing processes minimizing carbon footprint, water and chemical consumption.


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Crocking A test method to determine the amount of coloring dyes and pigments that rub off of the surface of the leather.
Crust Leather Part-processed leather that has been retanned and dyed but not been through its final finish.
Cutting Area Area of the hide where patterns are cut from.