ASTM C271
Full Name
ASTM C271 – Standard Test Method for Density of Sandwich Core Materials
Scope
ASTM C271 provides a standardized approach to determining the density of sandwich core materials. These materials are integral components of sandwich panels, widely used in construction due to their combination of insulation, structural support, and other desirable properties.
The test outlined in ASTM C271 involves several key steps:
- Sample preparation: a representative sample of the core material is cut into a specific shape, typically a cube or cylinder. This ensures consistency and comparability between tests.
- Dimensional measurement: the dimensions of the sample are carefully measured using calibrated instruments. This includes the length, width, and height of the sample.
- Weighing: the sample is weighed using a precision balance to determine its mass accurately.
- Density calculation: the density is calculated by dividing the mass of the sample by its volume, which is determined from the measured dimensions.
Density is a crucial property of sandwich core materials for several reasons:
- Structural integrity: a higher density generally indicates a stronger and more rigid material, which is essential for structural applications.
- Insulation effectiveness: the density can influence the material’s thermal conductivity, affecting its ability to insulate against heat transfer.
- Weight reduction: in some cases, a lower density is desirable to reduce the overall weight of the sandwich panel, which can improve its energy efficiency and transportation costs.
By accurately determining the density of sandwich core materials using ASTM C271, engineers and architects can make informed decisions about their selection and use in construction projects.
ASTM C271 Accredited Laboratory
Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C271 standard.
Contact us today to learn more about our testing capabilities and how we can support your business.
Resources
Keywords
density; sandwich core; materials; test method; ASTM C271; honeycomb; balsa wood; foams; structural sandwich constructions; physical property; core geometry; specimen geometry; specimen preparation; moisture content; weight measurement; dimensional measurement; specimen conditioning