EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ASTM F903 testing. This standard describes the requirements and test methods for the barrier effectiveness of materials used in protective clothing against the penetration of liquids through seams, closures or other assemblies.
The test method presented in the said standard covers parts of finished protective clothing such as gloves, arm protectors, aprons, overalls, headgear, boots and similar parts.
To generalize material penetration resistance to liquids, a substitute threat fluid such as water or isopropanol is sometimes used during testing. However, it is possible that differences in chemical and molecular properties, such as surface tension, may lead to different consequences.
Liquids can find a way to penetrate due to gap or defect in material or clothing assembly. In addition, some selected chemicals may cause subsequent penetration by causing deterioration of the film or coating in the material.
In the test method presented in this standard, procedures for exposure of protective clothing to liquid are given. All these procedures involve continuous fluid exposure throughout the test period. These procedures require different hydrostatic pressures and liquid exposure times.
In the A, B and C procedures described in the ASTM F903-18 standard, pressure is applied for a certain period of liquid exposure. Procedures A and B here represent initially established fluid contact methods developed by the National Institute for Occupational Safety and Health. Procedure C has been developed for potentially longer exposures where a failure occurs as a result of material or assembly failure.
Procedure D has been developed for exposures at certain pressure increases at regular intervals until a certain liquid penetration is observed. Procedure E is for determining the pressures and duration of liquid exposure of the test sample.
EUROLAB assists manufacturers with ASTM F903 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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