PPE Testing

We test Personal Protective Equipment

OIC offers a broad range of testing services for evaluating personal protective equipment including particle filtration efficiency, bacterial filtration efficiency, breathability, fluid impermeability, and personalized face-fit testing.

Internationally recognized standards are followed meticulously to ensure accuracy of our results when evaluating your products. If a non-standard test is needed, our engineering team will develop and incorporate modifications to suit your specific product and data needs.

We pride ourselves on the ability to meet a customer’s specific needs with personalized service and rapid turn-around.

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Particulate Filtration Efficiency (PFE)

Surgical masks are challenged with sub-micron polystyrene latex particles to determine the percent efficiency of filtration at the most challenging particle size. OIC utilizes the Topas FMS 374 Laser Particle Counter system to perform this test.

Bacterial Filtration Efficiency (BFE)

 

Surgical masks are challenged with aerosolized bacteria to determine the percent efficiency of filtration. Bacterial colonies are counted in a 6-stage cascade impactor after incubation. OIC utilizes the CH Technologies BFE system to perform this test.

Synthetic Blood Penetration (Masks)

 

Surgical masks are challenged to resist penetration by increasing velocities of 2mL of synthetic blood disbursed by an air pressure source, simulating arterial blood splatter. OIC utilizes a custom test frame to perform this test.

Synthetic Blood Penetration (Gowns)

 

Surgical gowns are challenged to resist penetration of synthetic blood for an extended period of contact as well as under a short duration of pressure. OIC utilizes a custom test frame to perform this test.

Breathing resistance (per ASTM F2100)

Surgical masks are tested for breathing resistance by measuring the differential pressure across the mask at an airflow rate of 8L/min. OIC utilizes the Dwyer 475-00-FM Digital Manometer for high-precision pressure measurement.

Accelerated shelf-aging

 

Medical packaging and devices are exposed to increased temperature for an extended period of time to simulate real-time shelf aging. OIC utilizes a controlled environment chamber to perform this test.

Particle Filtration Efficiency (42 CFR Part 84.174)

Non-powered respirators are challenged with sub-micron salt (NaCl) particles at an airflow rate of 85 L/min to determine the percent efficiency of filtration. OIC utilizes the ATI 100x system to perform this test.

Exhalation resistance (42 CFR Part 84.172)

Respirators are tested for resistance to exhalation air flow by measuring the differential pressure across the filter with airflow moving from inside to outside of the mask. OIC utilizes the Dwyer 475-00-FM Digital Manometer for high-precision pressure measurement.

Inhalation resistance (42 CFR Part 84.172)

Respirators are tested for resistance of inhalation air flow by measuring the differential pressure across the filter with airflow moving from outside to the inside of the mask. OIC utilizes the Dwyer 475-00-FM Digital Manometer for high-precision pressure measurement.

Respirator Fit Testing

Respirators are donned by personnel and the quality of fit to the person’s face is assessed while performing several activities including deep breathing, talking, and head movement for a duration of 1 minute each. A fit factor is reported for each activity and each person tested to determine pass/fail. OIC utilizes the TSI 8038 PortaCount Pro+ Respirator Fit Tester.

Flammability of Textiles

Surgical masks are elevated to a 45 degree angle, subjected to an ignition source and the burn time is recorded and classified into 3 levels. OIC utilizes the UTS M015 Automated Flammability Tester to perform this test.

Test Method for Water Resistance: Hydrostatic Pressure

 

Pressurized water pushing against a gown material sample for a specified period of time to determine if and when penetration occurs. OIC uses a custom test frame to perform this test.

Water Resistance: Impact Penetration Test

 

A flow of water is dropped onto a gown material sample from a specified height and blotting paper is used to determine if water has penetrated the sample. OIC uses a custom setup to perform this test.

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