ISO-3910-1983.pdf
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1、International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.MEXdYHAPOAHAR OPrAHH3AWlR l-l0 CTAHJWTM3AlWl.ORGANISATION INTERNATIONALE DE NORMALISATION Rubber boota, unlined moulded Bottes en caoutchouc moulkes non doublhes Second edition - 1983-05-01 UDC 678.4/.8 : 688.314.3 Descriptors : r
2、ubber products, footwear, boots, specifications. Ref. No. lSO3910-1983 (E) Price bared on 4 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 22:28:51 MDTNo reproduction or n
3、etworking permitted without license from IHS -,-,- Foreword ISO (the International Organization for Standardization) is a worldwide federation of national Standards bodies (ISO member bedies). The work of developing International Standards is carried out through ISO technical committees. Every membe
4、r body interested in a subject for which a technical committee has been authorized has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standards adopted by the technica
5、l committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 3910 was developed by Rubber and rubber products. Technical Committee ISO/TC 45, This second edition was submitted directly to the ISO Counc
6、il, in accordance with clause 6.11.2 of part 1 of the Directives for the technical work of ISO. lt cancels and replaces the first edition (i.e. ISO 3910-1976), which had been approved by the member bodies of the following countries: Belgium Italy Brazil Mexico Canada Netherlands Czechoslovakia New Z
7、ealand Egypt, Arab Rep. of Romania France South Africa, Rep. of India Spain Sweden Turkey USA USSR Y ugoslavia The member body of the following men t on tech nical grounds : 0 country had expressed disapproval of the docu- Switzerland International Organkation for Standardkation, 1983 Printed in Swi
8、tzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 22:28:51 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 39104983 Ru
9、bber boots, unlined moulded 1 Scope and field of application This International Standard specifies the requirements for general purpose unlined rubber boots moulded in one piece. 2 References ISO 34, Rubber, vulcanized - Determination of tear s trength (trouser, angle and crescent test piecesl. ISO
10、37, Rubber, vulcanized - Determination of tensile s tress- strain properties. ISO 188, Rubber, vulcanized - Accelerated ageing or heat- resistance tests. ISO 471, Rubber - Standard temperatures, humidities and times for the conditioning and testing of test pieces. ISO 1382, Rubber - Vocabulary. 3 Ma
11、terials The rubber Parts of the boot shall be homogeneous and free from porosity. 4 Thickness The thickness of the rubber shall be not less than as shown in figure 1 at the Points indicated for the upper part of the boot, and as shown in table 1 for the Soling and heel. Table 1 - Minimum thicknesses
12、 Dimensions in millimetres Cleated Soling, mens Cleated Soling, womens Heel, mens Heel, womens Over cleats Between cleats 13 8 11 73 25 - 20 - The thickness of the heel shall be measured on the outside edge along the length of the heel. 5 Physical properties of Soling and heels 5.1 Tensile requireme
13、nts before ageing Three test pieces shall be tut from both the Soling and heels and then reduced to the required thickness by careful buffing, or any other suitable method, taking care to avoid an increase in temperature. The tensile strength and elongation at break shall then be determined accordin
14、g to the method specified in ISO 37. The median of these results shall be at least the ap- propriate value given in table 2. A smaller dumb-hell test piece may be used for the heels, if size makes this necessary. The size of the dumb-bell shall be stated when expressing results. All three test piece
15、s shall be free from visible defects. If the median of the results is below, and the highest value equal to or above, the appropriate value given in table 2, two further pieces shall be tested. The material shall not be deemed to comply with the requirements unless the median of all five results is
16、at least the appropriate value given in table 2. 4 Table 2 - Tensile strength and elongation at break requirements before ageing Minimum tensile Minimum elongation strength at break MPa % 1 Soling and heel 1 8,O I 200 I 5.2 Tensile requirements after ageing After ageing for 168 h at a temperature of
17、 70 + 1 OC, in accor- dance with ISO 188, the tensile strength and elongation at break of Soling and heels determined as in 5.1 shall be in accor- dance with the values given in table 3. Table 3 - Tensile strength and elongation at break requirements after ageing Tensile strength Elongation at break
18、 f % of initial value % of initial value I Soling and heel l Ik 20 + IO - 30 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 22:28:51 MDTNo reproduction or networking permitted w
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