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GB/T 10297-2015: Test method for thermal conductivity of nonmetal solid materials -- Hot-wire method
Status: Valid GB/T 10297: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 10297-2015 | English | 209 |
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Test method for thermal conductivity of nonmetal solid materials -- Hot-wire method
| Valid |
GB/T 10297-2015
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| GB/T 10297-1998 | English | 359 |
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Test method for thermal conductivity of nonmetal solid materials by hot-wire method
| Obsolete |
GB/T 10297-1998
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| GB/T 10297-1988 | English | RFQ |
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Test method for thermal conductivity of nonmetal solid materials by hot wire method
| Obsolete |
GB/T 10297-1988
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PDF similar to GB/T 10297-2015
Basic data | Standard ID | GB/T 10297-2015 (GB/T10297-2015) | | Description (Translated English) | Test method for thermal conductivity of nonmetal solid materials -- Hot-wire method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q25 | | Classification of International Standard | 91.120.10 | | Word Count Estimation | 10,143 | | Date of Issue | 2015-09-11 | | Date of Implementation | 2016-08-01 | | Older Standard (superseded by this standard) | GB/T 10297-1998 | | Quoted Standard | GB/T 4132 | | Regulation (derived from) | National Standard Announcement 2015 No.25 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard applies to the thermal conductivity of less than 2 W/(m �� K) of non-metallic homogeneous isotropic thermal conductivity of solid materials. This Standard does not apply to non-metallic conductive material (such as silicon carbide). This Standard method as a complementary method of steady-state method for enterprise quality control and so on, does not apply to arbitration identification or test. | GB/T 10297-2015: Test method for thermal conductivity of nonmetal solid materials -- Hot-wire method
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(Determination of thermal conductivity of nonmetal solid materials hotline law)
ICS 91.120.10
Q25
National Standards of People's Republic of China
Replacing GB/T 10297-1998
Determination of thermal conductivity of non-metallic solid materials
Law Hotline
Hot-wiremethod
Issued on. 2015-09-11
2016-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 10297-1998 "non-metallic solid material thermal conductivity measuring wire method." And GB/T 10297-
Compared to 1998, in addition to editorial changes outside the main technical changes are as follows.
--- Introduction deleted.
--- Edition standard temperature International System of Units of thermodynamic temperature.
--- Deleted Chapter 1 Scope "particularly homogeneous isotropic lightweight insulation material."
--- The 5.3 "accuracy of the measurement of the heating power should be better than ± 0.5%" was changed to "measure the heating power of the error should be less than 0.5%."
--- The GB /10297-1998 T in Appendix A (informative annex) is amended as Appendix A (informative), and added a new increase
Bakelite foam and fiberglass phenolic molding plastics and other materials related data safe flame retardant characteristics. Remove discrepancies
Combined, environmental protection, low-carbon emission requirements asbestos insulation board and other products.
The standard proposed by China Building Materials Federation.
This standard by the National Standardization Technical Committee heat insulating material (SAC/TC191) centralized.
This standard was drafted. Shenzhen Jintai Fiber Co., Ltd.
The main drafters of this standard. Guo Xiaoming, Ye Jin, Lee Ling segment.
GB/T 10297-1998 of previously issued as follows.
--- GB 10297-1988.
Determination of thermal conductivity of non-metallic solid materials
Law Hotline
1 Scope
This standard applies to the determination of non-metallic solid materials isotropic thermal conductivity less than the thermal conductivity of 2W/(m · K) in homogeneous.
This standard does not apply to non-metallic conductive material (such as silicon carbide).
The standard method as a complementary method of steady-state method for enterprise quality control and so on, does not apply to arbitration identification or test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 4132 insulation materials and related terms
3 Terms and Definitions
Terms and definitions GB/T 4132 defined apply to this document.
Principle 4
Hotline method is a method of non-steady-state thermal conductivity coefficient of determination. The principle is placed in a uniform temperature in an isotropic homogeneous sample
Resistance wire, the so-called "hot" when the hotline constant power heat, hot temperature of the sample and its vicinity will rise over time. according to
The temperature change over time the relationship between the thermal conductivity of the sample can be determined. Depending on the heat capacity of the hotline and the sample at a constant power to the hot wire
Upon heating, the hot wire is not constant power heat, heat power does not necessarily mean its heating power, resulting in measurement errors. For lightweight insulating material,
This error can not be ignored, according to a simplified method in this standard assume hotline linear warming corrected.
5 Instruments
5.1 measuring device
Determination of conventional hot-wire method apparatus shown in Figure 1 and Figure 2. A, B pitch from the edge of the sample shall be not less than 5mm. Distance temperature heat
Galvanic distance should not be less than 60mm.
5.2 Power
Stable DC (or AC) constant current (or voltage) power supply. Change its output value should be less than 0.5%.
5.3 Power Measuring Devices
Heating power measurement error should be less than 0.5%.
5.4 Thermometer
Hotline temperature measuring instrument resolution of not less than 0.02K (for K-type thermocouple equivalent 1μV), which should be less than the time constant of 2s.
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