ASTM F903 PDF

ASTM F903 PDF

Summary of relevant information contained in. ASTM F Standard Test Method for Resistance of. Materials Used in Protective Clothing to Penetration by . Designation: F – 03 Standard Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Liquids1 This standard. ASTM F Standard Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Liquids.

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Originally approved in Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Current edition approved January 10, Examples of retaining screens are 11 by 11 nylon screen, 14 by 14 polypropylene screen, and 13 by 13 polyester screen.

Remove the specimen and gasket from the cell and discard. This is therefore considered a general failure point. Clean any external parts of the test cell touched by the liquid. The resistance to visible penetration of the test liquid is determined with the liquid in continuous contact with the normally outside surface of the test specimen.

ASTM F–03 防护服用材料耐液体渗透性的试验方法_百度文库

Used for other speci? Your Flame-Resistant Clothing Refresh. Since engineering controls may not eliminate all possible aetm, attention is often placed on reducing the potential for direct skin contact through the use of protective clothing that resists permeation, penetration, and degradation.

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It is important to note that the ASTM F standard testing does not apply to the astk area or the finger tip areas of gloves. Link to Active This link will always route to the current Active version of the standard.

Precision and Bias The specimen fails if a droplet of liquid appears or a characteristic discoloration see 9. The resistance to visible penetration of the test liquid is determined with the liquid in continuous contact with the normally outside exterior surface of the test specimen. Procedure D also has utility for assessing the robustness of protective clothing materials and assemblies as part of quality systems.

Work Item s – proposed revisions of this standard. Procedure C uses a If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

If a retaining screen is used, include it in the report. If this occurs, record the failure, and terminate the test.

What are ASTM F Safety Standards? |

NOTE 2—Material is aluminum. Special means used to seal specimens in the test cell should be documented in the report.

If the temperature of the cell and liquid were different at the start of the test, report both. You can read about the individual protective features of each product by logging on to WorkingPerson. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

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What are ASTM F903 Safety Standards?

zstm However, it is possible that differences in chemical and molecular properties for example, surface tension may lead to different results. Historical Version s – view previous versions of standard. With the test cell vertically oriented, allowing the air to vent, carefully,?

A number in parentheses indicates the year of last reapproval.

To make sure you stay safe while around corrosive chemicals, check that the garment you are wearing has been properly tested and meets the regulations and safety standards associated with the chemicals you g903 working with or the standards that your employer sets. B Procedure C is that speci?

Also, remember just assuming that the workwear you have chosen will properly protect you is a risk that is not worth risking injury. This test method determines resistance to penetration only.

The droplet must remain easily visible to ensure that a droplet that penetrates the material will be seen.