The density of a sandwich core material is determined by the standard method ASTM C271. Density data is required for design properties, research and development applications, material specifications, and quality assurance. Density is reported in SI units.
Scope:
The standard test method, Density of Sandwich Core Materials ASTM C271, determines the density of sandwich core materials. Density is a fundamental physical property of any material. Some of the physical properties of any sandwich core structural material are proportional to its density. Knowledge of sandwich core density data helps select design properties, research and development applications, material specifications, and quality assurance.
Test Procedure:
ASTM C271 test specimens are machined from the product supplied by the client. First, specimens are measured to the nearest 0.001 inches, and then they are conditioned as per the client’s requirement. Finally, after conditioning, the specimens are measured and weighed appropriately according to ASTM C271 to determine the density.
Specimen size:
Five Specimens of length 12 inches, breadth 12 inches, and given thickness are tested according to ASTM C271 guidelines.
Data:
Density is reported in SI units or inch-pounds.
Calculation for SI units: dSI = 1 × 106 × Wt / (l × w × t)
Wt = weight
l = length
w = width
t = thickness
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