ISO , Annex B. – Seal Strength. • ASTM F88 – Standard test method for seal strength of flexible barrier materials. • ASTM F – Standard test method. Seal Strength ASTM F Ultimate Seal Strength of Thermoplastics ASTM F Scope: Seal strength is the tensile strength of the seal at ambient temperature. ASTM F88 is the standard followed when performing Peel tests on Packaging. Peel Tests determine ‘Seal strength’ of the package, which is defined as the.
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ASTM F88 / F88M – 09 Standard Test Method for Seal Strength of Flexible Barrier Materials
Examples of fixtures and techniques are illustrated in Fig. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Global Reach Intertek is the industry leader with over 42, people in 1, locations in over countries. Seal strength at some minimum level is a necessary package requirement, and at times it is desirable to limit the qstm of the seal to facilitate opening.
Seal Strength ASTM F88
The maximum tensile force required to separate the ashm ends of the seal is recorded. Link to Active This link will always route to the current Active version of the standard. Seal strength is the tensile strength of the seal at ambient temperature.
Through our network of over 43, people in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world. At a certain temperatures a seal force level is reached which is related to the maximum tensile force of the film. Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. It also identifies the mode of specimen failure. This curve is called the seal curve.
It is the maximum force required to separate the two layers of a seal under particular conditions. Standards can be obtained from appropriate standard authorities. Send us a request Wilton UK: Work Item s – proposed revisions of this standard.
A series of seals at different sealing temperatures are made, using a machine employing hot-bar jaws. Validating the specifications, value and safety of your raw materials, products and assets.
Unsupported— Each tail of the specimen is secured in opposing grips and the seal remains unsupported while the test is being conducted. Testing Evaluating how xstm products and services meet and exceed quality, safety, sustainability and performance standards. Combining values from the two systems may result in non-conformance with the standard. Send us a request Need help or have a question?
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Seal strength is not only relevant to opening force and package integrity, but to measuring the packaging processes’ ability to produce consistent seals. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Each tail of the sealed specimen is secured in the opposing grips of a universal test bench.
A curve can be plotted showing the effect of the sealing conditions mainly temperature on the seal force. Because the effect of each of these on test results is varied, consistent use of one technique Technique A, Technique B, or Technique C throughout a test series is recommended.
Inspection Validating the specifications, value and safety of your raw materials, products and assets. Assurance Testing Inspection Certification. A number of fixtures and techniques have been devised to hold samples at various angles to the pull direction to control this bending force.
Auditing Consulting Sourcing Training. Historical Version s – view previous versions of standard. A rectangular specimen is used; the specimen width may be either 25 mm, 15 mm or 1. Formally confirming that your products and services meet all trusted external and internal standards.
Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.