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1.1 These standard performance requirements establish nationally recognized performance requirements for Class A (residential) and Class B (nonresidential) child's plastic chairs intended for outdoor use.

1.2 These standard performance requirements are not applicable to chaises, multi-positional chairs, upholstered chairs, or other types of furniture.

1.3 These standard performance requirements cover the performance of product regarding aspects of outdoor weathering, impact, static load, and rear leg testing.

1.4 Products Manufactured from Recycled Plastics: 

1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 Tests and criteria as outlined determine the overall usability and stability of chairs in an environment simulating the conditions of use.

4.2 Tests simulate two types of surfaces:

4.2.1 Smooth surfaces such as linoleum, wet pool decks, etc. The glass testing base (see Fig. 2) is used to simulate this surface.

FIG. 2 Glass Testing Base

Note 1: (A) Poly(methyl methacrylate) sheet, 0.25 ± 0.03-in. (6 ± 0.1-mm) thickness; (B) AC exterior glue fir plywood sheet, 0.75 ± 0.08 in. (19 ± 0.2 mm) or greater in thickness; (C) polypropylene microfoam sheet; 0.7 ± 0.01-lb/ft³ (11 ± 0.2-kg/m³) density and 0.13 ± 0.01-in. (3 ± 0.03-mm) thickness; and (D) glass/tempered sheet, 0.38 ± 0.04-in. (10 ± 0.1-mm) thickness.

Note 2: (A), (B), (C), and (D) shall be roughly the same dimensions, 48 in. (1219 mm) or greater.

4.2.2 Rough surfaces such as wooden decks, outdoor natural surfaces, etc. The plywood testing base (see Fig. 3) is used to simulate this surface.

FIG. 3 Plywood Testing Base

Note 1: (A) Poly(methyl methacrylate) sheet, 0.25 ± 0.03-in. (6 ± 0.1-mm) thickness; and (B) AC exterior glue fir plywood sheet, 0.75 ± 0.08 in. (19 ± 0.2 mm) or greater in thickness.

Note 2: (A) and (B) shall be roughly the same dimensions, 48 in. (1219 mm) or greater.