ISO 22254 Test Fixture
ISO 22254 specifies a test method for determining the resistance of the tufted portion of manual toothbrushes to deflection.
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ISO 22254 Dentistry — Manual Toothbrushes — Resistance of Tufted Portion to Deflection
This ISO standard specifies a test method for determining the resistance of the tufted portion of manual toothbrushes to deflection.
This International Standard is applicable to toothbrushes having a conventional flat trim design and may not be applicable to toothbrushes with other designs.
*** Before conducting this ISO standard , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.