ASTM B926
Standard Method for Pinhole Determination in Aluminum and Aluminum Alloy Plain Foil by Means of a Light Table
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About This Item
ASTM B926 is the ASTM standard for determining pinholes in aluminum and aluminum alloy plain foil using a light table. It provides a practical method for evaluating foil integrity by helping users identify surface discontinuities that can affect appearance, performance, and suitability for use. For buyers, quality teams, and laboratories, this standard supports more consistent inspection and a clearer basis for comparing foil quality during testing and acceptance.
What is ASTM B926?
ASTM B926 is a test method focused on pinhole determination in aluminum and aluminum alloy plain foil by means of a light table. The standard is centered on visual inspection under controlled backlighting, which helps reveal small openings or discontinuities in thin foil material. As an ASTM standard, it is intended to give a repeatable approach for evaluating foil condition and supporting consistent quality control decisions. ASTM B926 is especially relevant when clarity in inspection method matters.
Where is ASTM B926 used?
This standard is commonly used in foil inspection and quality assurance workflows where aluminum and aluminum alloy plain foil must be checked for pinholes. It is suited to laboratory and production environments that rely on a light table for visual examination of thin materials. ASTM B926 may also be used during incoming inspection, lot review, or product verification when consistent assessment of foil surface integrity is important for meeting specification or procurement expectations.
Why is ASTM B926 important?
ASTM B926 matters because pinholes in foil can influence product performance, appearance, and reliability. A standardized light-table method helps reduce subjective inspection differences and supports more consistent results across batches, suppliers, and testing locations. In practice, it can aid quality control, acceptance decisions, and compliance documentation by providing a clear technical reference. For organizations handling aluminum foil materials, ASTM B926 helps improve confidence in evaluation and reduces risk in purchasing and production decisions.
- Light-table inspection method
- Pinholes in plain foil
- Aluminum and aluminum alloy materials
- Quality control and acceptance checks
- Consistent visual evaluation
- Publication Date: 2025-05-20
- Publisher: ASTM
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