T/JSAS 100-2025 Greenhouse gases Quantification methods and requirements for carbon footprint of products floor coatings

Scope

This document specifies the functional units, system boundaries, selection criteria, data and data quality, quantification methods, data quality assessment, and related content of the carbon footprint quantification of floor coating products. This document is applicable to the carbon footprint quantification of floor coating products. 7.1 General Principles The carbon footprint of a product is the sum of the potential climate change impacts of all greenhouse gases in each life cycle stage. The potential climate change impacts of each greenhouse gas emission and removal in the product system shall be calculated by multiplying the mass of the greenhouse gas emitted or removed by the 100-year global warming potential (GWP) value recently published by the Intergovernmental Panel on Climate Change (IPCC), as referenced in Appendix D.1. The carbon footprint of floor coating products shall be calculated according to Equation (2): .(2) where: —— The carbon footprint quantification result of the floor coating product under the specified requirements, unit: kilograms of carbon dioxide equivalent (kgCO2eq); —— The carbon footprint quantification result of the raw material stage of the floor coating product under the specified requirements, unit: kilograms of carbon dioxide equivalent (kgCO2eq), the quantification method is shown in Equation (3); —— The carbon footprint quantification result of the production stage of the floor coating product under the specified requirements, unit: kilograms of carbon dioxide equivalent (kgCO2eq), the quantification method is shown in Equation (4); —— The carbon footprint quantification result of the distribution stage of the floor coating product under the specified requirements, unit: kilograms of carbon dioxide equivalent (kgCO2eq), the quantification method is shown in Equation (5); 7.2 Carbon Footprint Quantification of the Raw Material Stage The carbon footprint quantification result of the raw material stage can be calculated a

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