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Significance and Use
5.1 This test method evaluates the ability of the construction and configuration of protective clothing or protective ensembles to resist liquid penetration. In most cases, the conditions used in this test method will not represent actual end-use conditions.
5.2 Two different spray configurations are used for exposing the protective clothing or protective ensemble on a manikin.
5.2.1 Procedure A involves five shower nozzles with one nozzle directly above the clothed manikin and two nozzles each to upper and lower sides of the manikin that are all positioned in the same vertical plane. This spray configuration is intended to provide a full exposure of the entire protective clothing or protective ensemble system.
5.2.2 Procedure B involves three shower nozzles that are positioned at different heights on a vertical line that is parallel to the manikin with the locations and direction of each nozzle set with respect to targets on the manikin. This spray configuration is intended to provide a direct assessment of garment features such as the front closure.
5.3 The selected duration of the test is not intended to simulate user exposure to splashes of liquid substances but rather to provide sufficient time for enough liquid to penetrate to make visual detection easier. The default liquid exposure time for Procedure A is 20 min. The default liquid exposure time for Procedure B is 10 min.
5.3.1 It is permissible to specify shorter test durations. It is recommended that the duration of exposure be the same in each manikin orientation.
5.3.2 The choice of different test duration is partly based on the number of layers in the specimen being tested, some of which serve to absorb the surfactant-treated test liquid and result in attenuating the severity of the liquid challenge to the specimen.
5.4 A nontoxic, non-foaming surfactant is added to water for this test method to simulate liquids of lower surface tensions. Liquids of specific interest can be simulated by treating water to achieve an equivalent surface tension.
5.5 For protective clothing with water-repellent surfaces, the lower surface tension liquid will aid in the evaluation of the construction and configuration of the garment because it is less likely to be repelled and more likely to wet the protective clothing. This is especially useful for reusable garments whose water-repellent surface interferes with the evaluation of their construction and configuration when new, but is diminished after wearing and washing.
5.6 Fluorescent or colored dyes are permitted to be added to the water to enhance detection of liquid penetration into the protective clothing or protective ensemble.
5.7 This test method can be used by both manufacturers and end users to assess liquid penetration resistance. Manufacturers can use this test method to evaluate quality of construction and effectiveness of clothing and ensemble configurations.
5.8 The clothing or ensemble is sized to fit the manikin. It is important that the clothing be selected to fit the manikin well since detection of liquid penetration requires as much contact as possible between the clothing or ensemble and the inner liquid-absorptive garment.
5.9 Results on a mismatched size of clothing or ensemble shall not be used to generalize about a particular construction or configuration. Manikin fit potentially affects liquid penetration resistance determinations.
5.10 There are no known restrictions to the types of protective clothing or protective ensembles that can be evaluated with this test method.
5.11 In some cases protective clothing or protective ensembles that show no liquid penetration during this test method will still fail to protect wearers against specific liquids due to the material degradation, penetration, or permeation or the effects associated with the vapors of liquid chemicals.
5.12 In some cases protective clothing or protective ensembles that show no liquid penetration during this test method will fail to protect wearers in specific circumstances as, for example, deluge or immersion.
1.1 This test method measures the ability of protective clothing or protective ensembles to resist liquid penetration in the form of a shower spray with surfactant-treated water.
1.2 This test method measures the liquid penetration resistance of the construction and configuration of the overall protective clothing or protective ensemble, but especially of seams, closures, and interfaces with other components such as gloves, boots, hoods, and respiratory protective equipment. It is intended that this test method be used to assess the liquid penetration resistance of protective clothing and protective ensembles as received from the manufacturer and worn in accordance with their instructions.
1.3 Resistance of materials used in protective clothing to permeation or penetration can be determined in accordance with Test Method (or Test Method or Test Method ) and Test Method , respectively. Alternatively, resistance of materials used in protective clothing to penetration by synthetic blood or liquids containing virus can be determined in accordance with Test Method and Test Method .
1.4 The integrity of vapor protective ensembles is measured by its ability to maintain positive internal pressure with Test Method .
1.5 The values in SI units or in other units shall be regarded separately as standard. The values stated in each system must be used independently of the other, without combining values in any way.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1331 Test Methods for Surface and Interfacial Tension of Solutions of Paints, Solvents, Solutions of Surface-Active Agents, and Related Materials
F739 Test Method for Permeation of Liquids and Gases through Protective Clothing Materials under Conditions of Continuous Contact
F903 Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Liquids
F1052 Test Method for Pressure Testing Vapor Protective Suits
F1383 Test Method for Permeation of Liquids and Gases through Protective Clothing Materials under Conditions of Intermittent Contact
F1407 Test Method for Resistance of Chemical Protective Clothing Materials to Liquid PermeationPermeation Cup Method
F1670 Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Synthetic Blood
F1671 Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Blood-Borne Pathogens Using Phi-X174 Bacteriophage Penetration as a Test System
AATCC StandardsAATCC Test Method 135 Dimensional Changes in Automatic Home Laundering of Woven and Knitted Fabrics
ICS Number Code 13.340.10 (Protective clothing)
UNSPSC Code 21101801(Sprayers); 46181500(Safety apparel)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM F1359 / F1359M-16a, Standard Test Method for Liquid Penetration Resistance of Protective Clothing or Protective Ensembles Under a Shower Spray While on a Manikin, ASTM International, West Conshohocken, PA, 2016, www.astm.orgBack to Top