ASTM D8136

ASTM D8136 is a standard test method for determining plastic film thickness and thickness variability using a non-contact capacitance thickness gauge. It provides a practical way to evaluate film thickness without physically contacting the material, which may help reduce measurement disturbance and improve repeatability. For manufacturers, converters, and quality teams, this ASTM standard supports more consistent thickness assessment and helps identify variation across plastic film products.

Purpose of ASTM D8136

The purpose of ASTM D8136 is to define a test method for measuring plastic film thickness with a non-contact capacitance thickness gauge and for assessing how that thickness varies across the material. As a technical document, it focuses on measurement consistency and a controlled approach to thickness evaluation. This is especially useful when thickness data is needed for product qualification, process monitoring, or routine quality control. ASTM D8136 helps establish a common basis for reporting and comparing results.

Common use cases of ASTM D8136

This standard is commonly used wherever plastic film thickness must be measured with minimal contact, such as in film manufacturing, converting, inspection, and laboratory testing. It may be applied to thin plastic film products where thickness uniformity is important to performance or specification compliance. ASTM D8136 is also relevant in workflows that rely on capacitance-based gauges for incoming inspection, in-process checks, or final release testing, especially when thickness variability must be tracked across a sample.

Why ASTM D8136 matters

ASTM D8136 matters because thickness is a key quality attribute for many plastic films, and variability can affect product consistency, fit-for-use decisions, and compliance with customer requirements. Using a recognized ASTM standard helps support repeatable testing, clearer procurement expectations, and more reliable quality control records. It also gives manufacturers and buyers a shared reference for evaluating measurements taken with a non-contact capacitance thickness gauge, which can reduce ambiguity in product assessment.

• Non-contact capacitance measurement
• Plastic film thickness evaluation
• Thickness variability assessment
• Quality control and inspection use
• Consistent test reporting