1、Designation:F185898(Reapproved 2014)Standard Performance Requirements forMultipositional Plastic Chairs with Adjustable Backs orReclining Mechanisms for Outdoor Use1This standard is issued under the fixed designation F1858;the number immediately following the designation indicates the year oforigina
2、l adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These performance requirements cover nationally rec-ognized performance r
3、equirements for multipositional plasticchairs,with adjustable backs or reclining mechanisms,in-tended for outdoor use.1.2 These performance requirements are not applicable tochaise lounges,upholstered chairs,or other types of furniture.1.3 These performance requirements cover the performanceof the p
4、roduct regarding aspects of outdoor weathering,impact,static load for seat and back,and arm testing.1.4 Products Manufactured from Recycled PlasticsProducts may be manufactured from recycled plastics as longas the performance requirements are met.1.5 The values stated in inch-pound units are to be r
5、egardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user
6、of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D638 Test Method for Tensile Properties of PlasticsD2565 Practice for Xenon-Arc Exposure of Plastics In-tended for
7、Outdoor ApplicationsD4329 Practice for Fluorescent Ultraviolet(UV)Lamp Ap-paratus Exposure of PlasticsG23 Practice for Operating Light-Exposure Apparatus(Carbon-Arc Type)With and Without Water for Exposureof Nonmetallic Materials(Withdrawn 2000)33.Terminology3.1 Definitions:3.1.1 multipositional pla
8、stic chair with adjustable back orreclining mechanisms,nfor the purposes of these provisionalperformance requirements,a molded,upright piece of furniturewith arms,intended for seating one person,having a seat heightnot less than 15 in.(381 mm)and not greater than 19 in.(483mm)with the seat and back
9、in the most upright position,andhaving a seat width not less than 16 in.(406 mm)and notgreater than 30 in.(762 mm)(as shown in Fig.1).3.1.1.1 DiscussionThese requirements are applicable tofolding chairs with adjustable backs(see Fig.2),non-foldingchairs with adjustable backs(see Fig.3),and folding c
10、hairswith reclining mechanisms(see Fig.4).4.Significance and Use4.1 Tests and criteria as outlined determine the overallusability and stability of chairs in an environment simulatingthe conditions of use.4.2 Tests simulate two types of surfaces:4.2.1 Smooth surfaces,such as linoleum,wet pool decks,e
11、tc.The glass testing base(see Fig.5)is used to simulate thissurface.4.2.2 Rough surfaces,such as wooden decks,outdoor natu-ral surfaces,etc.the plywood testing base(see Fig.6)is usedto simulate this surface.5.Apparatus5.1 Multipositional Plastic Chairs with Adjustable Backs orReclining Mechanisms,wh
12、ich have been inspected and met amanufacturers internal quality standards.5.2 One Heavy-Weight Canvas or Leather Bag,16 6 0.2 in.(406 6 4 mm)in diameter,which shall be measured prior totesting to determine stretching,having a total measurement notto exceed 17.5 in.(445 mm)in diameter when filled wit
13、h steel1These performance requirements are under the jurisdiction of ASTM Commit-tee F15 onConsumer Products and are the direct responsibility of SubcommitteeF15.33 on Outdoor Plastic Lawn Furniture.Current edition approved Sept.1,2014.Published December 2014.Originallyapproved in 1998.Last previous
14、 edition approved in 2008 as F1858 98(2008).DOI:10.1520/F1858-98R14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM websit
15、e.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 or lead shot(0.09 to 0.12 in(2.3 to 3.0 mm)in diameter),to atotal weight of 150 6 1.5 lb(68 6 0.7 kg).Th
16、e bag shall befitted with a safety cable or other means to prevent it fromhitting the glass testing base but should not interfere with thetest.5.3 One Heavy-Weight Canvas or Leather Bag,identical tothe bag in 5.2;however,the weight is increased by addition tothe bag of 250 6 2.5 lb(114 6 1.1 kg)of either(1)additionalsteel or lead shot or(2)barbell weights distributed evenly ontop of the steel or lead shot,for a total weight of 400 6 4 lb(182 6 1.8 kg).5.4 Glass Testing Base,as shown in Fig.5.5.5
