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1.1 These test methods cover recognized methods for testing mattress innersprings, boxsprings, and finished mattresses or mattress sets, or both, to ensure uniformity of results.

1.2 These test methods are applicable to un-upholstered mattress core units including but not limited to innersprings, air chambers, and foam cores, un-upholstered foundations including but not limited to boxspring and build up foundations, finished foundations and mattress constructions. Data developed is for comparative analysis with no pass/fail criteria applicable.

1.3 The durability test (Section 7), impact test (Section 8) and firmness retention test/surface deformation (Section 9) require upholstered samples. Firmness testing may be ran on un-upholstered components, innerspring units and flexible boxsprings (6.1 through 6.4), or finished mattresses or mattress sets (6.5 through 6.8). A standardized upholstery package is specified if evaluating a mattress core or un-upholstered foundation. These test methods are intended to be used on newly manufactured products..

1.4 The values stated in SI units are to be regarded as standard. The values in parentheses are for information only.

1.5 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.

4.1 Two separate test methods are outlined for use in evaluation of (1) mattress components, innersprings and boxsprings and (2) mattresses and mattress sets.

4.2 Component innerspring and boxspring test methods include measurements of firmness, firmness retention, durability, and effect of impact.

4.3 Mattress and mattress set test methods include measurements of firmness, firmness retention, durability, effect of impact, and height change.

4.4 One or more of the test methods shall be used separately or in combination to provide for appropriate evaluations.

4.5 Any variation from test procedure should be noted on the appropriate test form and in the end results as notification of variance.