# Fallback values ## Understanding Fallback Values in 2050-Materials Platform ### Overview Fallback values in the 2050-Materials platform serve as default estimates for key physical properties of construction materials when actual measurements are unavailable. These properties include density, grammage, linear density, and mass per piece. They play a crucial role in unit conversion processes, as detailed in our unit conversion documentation. ### Key Physical Properties * **Density (kg/m³)**: Used for converting volume to mass. * **Grammage (kg/m²)**: Important for converting area to mass. * **Linear Density (kg/m)**: Relevant for materials measured by length. * **Mass per Piece (kg/piece)**: Used for products counted by pieces. ### Application and Importance Fallback values are carefully associated with specific material types and, optionally, product types. This ensures accurate and meaningful estimates that enhance the quality of our data, especially for unit conversions. ### Transparency and Data Integrity * **Clear Indication**: Whenever a fallback value is used, it is clearly indicated in our system. This distinction is made to differentiate between reported values from certificates and estimated values. * **Maintaining Accuracy**: The use of fallback values allows us to maintain data accuracy and integrity, especially in cases where certified data is not available. ### Conclusion Fallback values are an integral part of the 2050-Materials platform, ensuring that our data remains robust and reliable, even in the absence of specific measurements. This system allows for more accurate analysis and comparison of environmental data related to construction materials. *** *Note: This document is intended for customers of the 2050-Materials platform, providing an overview of fallback values and their role in our data system.* --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.2050-materials.com/methodology-documentation/fallback-values.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.