ASTM F2100 testing: the specifications that decide the fit

The TNG1047, TNG1062, TNG1044, and TNG1049 instruments are essential for testing materials against the ASTM F2100 standard, ensuring compliance with bacterial filtration efficiency, flammability, and synthetic blood penetration requirements.

Understanding Specification Tables for ASTM F2100 Compliance

Reading a specification table is crucial for ensuring that an instrument meets the required standards. For instance, the TNG1047 Masks Bacterial Filtration Efficiency Tester has a sample flow rate of A and B set at 28.3L/min. This value is critical because ASTM F2100 requires a consistent flow rate to accurately measure the filtration efficiency of masks. The flow rate ensures that the test conditions are standardized, allowing for reliable and repeatable results. Another important specification is the spray flow, which is set between 8 to 10 L/min. This range controls the amount of aerosolized bacteria introduced into the test environment, ensuring that the test reflects real-world conditions.

Flammability Testing with the TNG1062

The TNG1062 45 Degree Flammability Tester is designed to assess the flammability of materials in accordance with ASTM F2100. One key specification is the ignition time, which is set at (1 ± 0.05) seconds. This precise timing is essential for evaluating how quickly a material ignites under controlled conditions, which is a critical factor in determining its flammability resistance. Additionally, the distance from the nozzle to the specimen is 8mm, which ensures that the flame is applied consistently and accurately, providing reliable data for compliance with the standard.

Synthetic Blood Penetration Testing with TNG1044 and TNG1049

The TNG1044 Face Mask Synthetic Blood Penetration Tester and TNG1049 Synthetic Blood Penetration Tester are both used to assess the ability of masks to resist liquid penetration. The TNG1044 has a blood spraying distance of (300 ± 10) mm, which simulates the distance a liquid might travel during a real-world scenario. This specification ensures that the test conditions are representative of actual use, allowing for accurate evaluation of the mask's performance. The nozzle inner diameter of 0.84 mm is another critical specification, as it controls the size of the droplet, ensuring that the test reflects the type of liquid that the mask is expected to protect against.

Conclusion

Each instrument plays a vital role in ensuring compliance with the ASTM F2100 standard. By understanding and utilizing the specified parameters, laboratories can conduct accurate and reliable tests that meet the necessary requirements for safety and performance.

Instrument models referenced

• TNG1047 Masks Bacterial Filtration Efficiency Tester (Air / Water / Vapour Permeability Testing). Published specifications include Main parameters Scope; Sample Flow Rate of A 28.3L/min; Sample Flow Rate of B 28.3L/min.
• TNG1062 45 Degree Flammability Tester (Flammability Testing). Published specifications include Time display and accuracy 0 ~ 999.9 s, 0.1 s; Ignition time (1 ± 0.05) s; Dimension of holder outside 170 * 101 mm, inside 152 * 38 mm.
• TNG1044 Face Mask Synthetic Blood Penetration Tester (Air / Water / Vapour Permeability Testing). Published specifications include Blood spraying distance: (300 ± 10) mm; Nozzle inner diameter: 0.84 mm; Nozzle length: 12.7 mm.
• TNG1049 Synthetic Blood Penetration Tester (Air / Water / Vapour Permeability Testing).