1、ASTM D4433 84-0759510 0540262=liT-Designation:D 4433-84(Reapproved 1989)Standard Specification for Flame-Resistant Treated Paper and Paperboard This standard is issued under the fixed designation D 4433;the number immediately following the designation indicates the year of original adoption or,in th
2、e case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope 1.1 This specification covers flame-resistant paper and paperboard less than 0.0625 in.(1.588
3、 mm)in thickness used in such applications as wall insulation backing,decora-tions,displays,flammable materials,packaging,and the like.1.2 This specification pertains to all classes of paper and paperboard material less than 0.0625 in.(1.588 mm)in thickness that are treated to prevent the spread of
4、flame when ignited.2.Referenced Documents 2.1 ASTM Standards:D 585 Practice of Sampling and Accepting a Single Lot of Paper,Paperboard,Fiberboard,or Related Product D 685 Practice for Conditioning Paper and Paper Products for Testing*E 29 Practice for Using Significant Digits in Test Data to Determi
5、ne Conformance with Specifications3 2.2 TAPPI Standard.T 461 Flame Resistance of Treated Paper and Paper-board4 3.Descriptions of Terms Specific to This Standard 3.1 flaming time-the time the specimen continues to flame after the burner flame is removed.3.2 glowing tinze-the time the specimen contin
6、ues to glow after it has ceased to flame.3.3 char length-the height of the void area of the specimen resulting from the breaking out of the material charred during testing.Measured from the bottom edge of the specimen and reported to the nearest/IO in.(2.5 mm).This specification is under the jurisdi
7、ction of ASTM Committee D-6 on Paper and Paper Products and is the direct responsibility of Subcommittee DO6.10 on Consumer Paper Products.Current edition approved Nov.30,1984.Published January 1985.Replaces Voluntary Product Standard PS 46-71 of the U.S.Department of Commerce.National Bureau of Sta
8、ndards.Underwriters Laboratories UL 94 does not apply.2 Annual Book of ASTM Srandards,Vol 15.09.3 Annual Book of ASTM Standards,Vol 14.02.4Available from the Technical Association of the Pulp and Paper Industry,P.O.Box 105 113,Atlanta,GA 30348.4.Classification 4.1 The two types of treatment applied
9、to paper and paperboard are as follows:4.1.1 Type Z-Nondurable treatments meeting the re-quirements specified in Table 1 before leaching in water.4.1.2 Type II-Durable treatments meeting the require-ments specified in Table 1 after leaching in water.4.2 The two classes of paper and paperboard are as
10、 follows:4.2.1 Class A-Decorative papers of less than 0.004 in.(0.102 mm)measured in the form of a flat sheet.4.2.2 Class B-Decorative papers of more than 0.004 in.(0.102 mm)and less than 0.0625 in.(1.588 mm)measured in the form of a flat sheet,and all construction and packaging papers regardless of
11、 thickness up to 0.0625 in.5.General Requirements 5.1 The material shall conform to the requirements spec-ified in Table 1 when sampled,conditioned,and tested using the referenced test methods.6.Workmanship 6.1 The material shall be uniform in thickness,density,formation,and texture.As determined by
12、 acceptable manu-facturing standards,materials shall be free from imperfec-tions,dirt,particles,or other foreign materials.7.Sampling 7.1 Sample the material in accordance with Method D 585.8.Test Methods 8.1 Determine the flame-resistant properties of the paper and paperboard material in accordance
13、 with TAPPI T 46 1 OS-79.9.Retest and Rejection 9.1 If the results of any test do not conform to the requirements prescribed in this specification,repeat the test on two additional samplings of specimens from the same batch or shipment,each of which shall conform to the requirements specified.If eit
14、her of these two additional samplings of specimens fails,consider the material failing.603 NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.ASTM D4433 84-0759530 05402b3 BDb m d$)D 4433 TA
15、BLE 1 Burning Characteristics”Maximum Flamina Time,s Maximum Glowina Time,s Maximum Char Lenath.in.(mm)Class Average of Individual Average of Individual-.,Averaoe of Individual A 0 Specimens Specimen 2.0 2.5 2.0 2.5 Specimens Specimen 2.0 5.0 2.0 5.0 Specimens 5.0(127.2)4.5(114.51 Specimen 6.0(X2.7)
16、5.5 1140.01*An observed value or a calculated value shall be rounded“to the nearest unit”in the last right-hand place of figures used in expressing the limiting value in accordance with the rounding method given in Recommended Practice E 29.The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with eny item mentioned in this standard.Users of this standard are express/y advised that determination of the validity of an