This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization—Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 10824-2008 Technical specification of solid tyres for pneumatic tyres rims. In addition to structural adjustments and editorial changes, the following main technical changes have been made with respect to GB/T 10824-2008:
———Some physical and mechanical property indexes are modified (see Table 1 hereof; Table 1 of Edition 2008);
———The durability requirements are modified (see 4.4 and 5.5 hereof; 4.4 and 5.5 of Edition 2008);
———The durability test method is deleted (see Annex D of Edition 2008).
1 Scope
This document specifies the technical requirements, test methods and markings of solid tyres for pneumatic tyres rims.
This document is applicable to new solid tyres for pneumatic tyres rims used for counterbalanced fork lift trucks and other industrial vehicles.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 528 Rubber, vulcanized or thermoplastic—Determination of tensile stress-strain properties
GB/T 531.1 Rubber vulcanized or thermoplastic—Determination of indentation hardness—Part 1: Durometer method (Shore hardness)
GB/T 1689 Rubber vulcanized—Determination of abrasion resistance (Akron machine)
GB/T 2941 Rubber—General procedures for preparing and conditioning test pieces for physical test methods
GB/T 3512 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method
GB/T 6326 Tyre terms and definitions
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 22391 Test method of endurance for solid tyres—Drum method
HG/T 2177 Appearance quality of tyres
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 6326 apply.
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4 Requirements
4.1 The tyre specification, dimension and load should meet the requirements of GB/T 10823.
4.2 The physical and mechanical properties of tyres shall meet those specified in Table 1.
4.3 The appearance quality of tyres shall meet the requirements of HG/T 2177.
Table 1 Physical and mechanical properties of tyres
Item Index
Base compound Tread compound
Common base compound Fiber base compound Ordinary tyre Imprint-free tire a
Tensile strength/MPa ≥ 13 ≥ 7 ≥ 18
Elongation at break/% — ≥ 450
Hardness (Shore A) 85 ± 5 67 ± 5
Abrasion value (Akron)/cm3 — ≤ 0.35 ≤ 0.60
a Solid tires that do not leave marks, especially brake marks, on the ground during use.
4.4 The tire shall be tested for durability according to the requirements of 5.5. After any of the first to eighth test stages completes, the appearance of tyre shall be free of defects such as delamination, bulging, cracking, chunking, abnormal deformation of tyre and liquid flow from temperature measuring holes.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
6 Markings
Annex A (Normative) Measurement method for peripheral dimensions of tyres
Annex B (Normative) Test method for static load performance of tyres
Annex C (Normative) Test method for physical and mechanical properties of tyres
Bibliography
