ASTM F720 - 13

    Standard Practice for Testing Guinea Pigs for Contact Allergens: Guinea Pig Maximization Test

    Active Standard ASTM F720 | Developed by Subcommittee: F04.16

    Book of Standards Volume: 13.01


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    Significance and Use

    4.1 In selecting a new material for human contact in medical applications, it is important to ensure that the material will not stimulate the immune system to produce an allergic reaction. The reaction would be due to substances which could leach out of a material. Therefore, this practice provides for using material extracts. The rationale for this practice is based on the fact that the guinea pig has been shown to be the best animal model for human allergic contact dermatitis. The use of Freund’s complete adjuvant and sodium lauryl sulfate tends to enhance the potential of a material to cause an allergy. Therefore, this test, while not guaranteeing that a material is nonallergenic, is the most severe animal test in common use today.

    1. Scope

    1.1 This practice is intended to determine the potential for a substance, or material extract, to elicit contact dermal allergenicity.

    1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.3 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.

    ISO Standards

    ISO10993–10 Biological evaluation of medical devices--Part 10: Tests for irritation and skin sensitization

    ASTM Standards

    F619 Practice for Extraction of Medical Plastics


    ICS Code

    ICS Number Code 11.220 (Veterinary medicine)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/F0720

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