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1、 J I S PX4501 93 4933608 0522835 T32 UDC 676.252:643:524 JIS JAPANESE INDUSTRIAL STANDARD Toilet tissue papers Translated and Published by Japanese Standards Association Printed in Japan 4s In the event of any doubt arising, the original Standard in Japanese is to be final authority. J I S P*450l1 9
2、3 4933b08 0522817 805 = Basis weight Bursting strength g/m2 1 kPa (10 sheets) UDC 676.252: 643: 524 Easiness to loosen in water s JAPANESE INDUSTRIAL STANDARD J I S Toilet tissue papers P 4501-1993 1. Scope the form of rolls (hereafter referred to as “toilet papers“). This Japanese Industrial Standa
3、rd specifies toilet tissue papers in Remarks: The following standards are cited in this Standard: JIS P 8110 Method for sampling paper for testing JIS P 8111 Conditioning of paper and paperboard for test JIS P 8112 Testing method for bursting strength of paper and paperboard by Mllen low-pressure te
4、ster JIS P 8124 Determination of basis weight of paper JIS Z 8401 Rules for rounding off of numerical values 2. Quality loosen in water, and be free from defects causing trouble in use, such as wild formation, tears, or holes, and in addition, shall meet the requirements of Table 1 when tests are ca
5、rried out according to 4. Toilet papers shall be sanitary and adequately flexible, easy to The core to be used shall be of strong cylinder. Table 1. Quality 18 min. I 78 min. I 100 max. Remarks: The requirements of Table 1 shall be applied to each single ply in the case of two or more ply toilet pap
6、ers. 3. Shape and dimensions 3.1 Shape larity of rolling. The product shall be in the form of rolls and be free from irregu- 3.2 Dimensions diameter shall be as shown in Table 2. However, the length per roll may be specified in other dimensions than those shown in Table 2 by agreement between the pa
7、rties concerned. The paper width, length per roll, core diameter, and roll J I S P+450L 93 4733608 0522838 Item Dimensions Paper width mm 114 Length per roll m 27.5, 32.5, 55, 65, 75, 100 2 P 4501-1993 Tolerances f 2 + 3 O Table 2 . Dimensions 38 Core diameter (inner diameter) - Roll diameter mm I 1
8、20 max. I Remarks: The requirements of the length per roll and its tolerances shall be applied to the paper in the plied condition in the case of two or more ply toilet papers. 4 . Testing methods 4 . 1 Sampling method Samples shall be taken according to JIS P 8110. 4.2 Test conditions 8111. However
9、, in the tests of this Standard, room temperature of 20 f 5C and a humidity of (65 f 5) % shall be employed. provided, preconditioning may be performed in a sealed container given a humidity of (65 f 5) % at 20 k 5C by using a saturated sodium nitrite solution or sulfuric acid of 35 % concentration,
10、 and the sample may be promptly tested after the equilibrium has been reached. The test conditions shall be in accordance with JIS P Where a room at the above constant temperature and humidity cannot be 4 . 3 Basis weight P 8124. The basis weight shall be measured in accordance with JIS 4.4 Bursting
11、 strength accordance with JIS P 8112. The test for bursting strength shall be performed in Remarks: The testing machine for bursting strength may be, for the time being, that the bursting strength is indicated with conventional unit. In this case, the measured value shall be converted to the value o
12、f SI unit by using the conversion rate of 1 kgf/cm2 = 98.0665 kPa and rounded off into integer in accordance with JIS Z 8401. 4 . 5 In the test on easiness to loosen in water, a beaker of 300 ml in which 300 ml of water (temperature of 20 & 5C) is put shall be placed on a magnetic stirrer, the rotor
13、 (I) of which is adjusted so as to make its rotation speed 600 If: 10 r/min. A square test piece of one side of 114 f 2 mm is put in it and push a stopwatch. The rotation speed of rotor lowers to some 500 rounds once by the resistance of test piece and then goes up according to the loosening of test
14、 piece. When coming back to 540 rounds, the stopwatch is stopped and its time is measured to a unit of second. The result of easiness to loosen in water shall be expressed by the average value of the test of five times. Easiness to loosen in water J I S P*4503 93 . I I 4933608 0522839 b88 = 3. P 450
15、1-1993 Note (l) The disc like rotor of 35 mm in diameter and 12 mm in thickness shall be used. 5. Inspection method The toilet papers shall be inspected in accordance with the requirements in 2. and 3. In this case, the reasonable sampling inspection plan shall be used. 6. Packaging or several rolls
16、 got together as the minimum packaging unit and placing such unit in a suitable container taking the transport conditions and the like into consideration. Packaging of the product shall be performed by taking one roll 7. Marking Toilet papers shall be marked as follows: (1) Taking one roll or severa
17、l rolls got together as the minimum packaging unit, marking shall be made for each minimum packaging unit with the following items of information along with the marking based on the Household Goods Quality Labelling Law. (a) Product name (toilet tissue paper) (b) Quantity (rolls) (c) Length per (d)
18、Manufacturers name (e) Location of manufacturing plant Note (2) For products having length other than those shown in Table 2, the length specified by the parties concerned shall be marked. shall be shown as O-ply, O meters. Example: For 2-ply product with length per roll of 32.5 m 2-ply 32.5 m The l
19、ength per roll of products consisting of 2 or more plies (2) Each container shall be marked with the following items of information: (a) (b) Quantity (rolls) (c) Size paper width (mm) x length per (m) (d) Manufacturers name (e) Location of manufacturing plant (0 Name of product (toilet tissue paper)
20、 Year and month of manufacture or symbol, or manufacture number or symbol -,-,- J I S PX4501 93 4733608 0522820 3TT P 4501-1993 Edition 1 Japanese Text Established by Minister of International Trade and Industry Date of Establishment: 1962-12-01 Date of Revision: 1993-03-01 Date of Public Notice in Official Gazette: Investigated by: 1993-03-23 Japanese Industrial Standards Committee Divisional Council on Daily Necessities This English translation is published by: Japanese Standards Association 1-24, Akasaka 4, Minato-ku, Tokyo 107 Japan O JSA, 1995 Printed in Tokyo by Hohbunsha Co., Ltd.