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Significance and Use
4.1 Until a paint-roller cover is saturated with paint, only part of the paint loaded onto the paint-roller cover can be transferred to a surface being painted. The remainder of the paint is absorbed into the fabric of the paint-roller cover. The amount of paint absorbed by a paint-roller cover is inversely proportional to the amount already present within the paint-roller cover. By saturating the paint-roller cover before testing, quantitative inaccuracies of the amount of paint delivered to a surface are eliminated.
4.1.1 Using a saturated paint-roller cover enables the user to apply paint at controllable spreading rates.
4.1.2 Using a saturated paint-roller cover affords reproducibility, when repeating a test.
1.1 This practice covers the preparation or breaking-in of paint-roller covers for evaluation.
1.2 This practice is applicable to paint-roller covers having nap lengths up to 13 mm [1/2 in.]. Longer pile rollers can be adapted.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 This standard does not purport to address 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.
D3924 Specification for Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials
ICS Number Code 87.100 (Paint coating equipment)
UNSPSC Code 46181533(Protective coats)