GB/T 32129-2015Halogen free low smoke and flame-retardant compounds for wires and cables (English PDF)
电线电缆用无卤低烟阻燃电缆料
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 9, 2015
Implementation date
May 1, 2016
Scope
GB/T 32129-2015 is the English-translated version of 电线电缆用无卤低烟阻燃电缆料.
GB/T 32129-2015 is the Chinese standard "Halogen Free Low Smoke and Flame-retardant Compounds for Wires and Cables".
Its scope clause reads: This Standard specifies the classification, technical requirements, test methods, inspection rules and packaging, marking, transportation and storage of halogen free low smoke and flame-retardant compounds for wires and cables.
This Standard applies to sheath for halogen free low smoke and flame-retardant wires and cables and optical cables, and insulation for halogen free low smoke and flame-retardant wires and cables of rated voltage 3 kV and below.
This Standard applies to halogen free low smoke and flame-retardant compounds for wires and cables, which is made by adding halogen free fire retardants and other performance additives to one or multiple halogen free polymer or copolymer and by mixing, plasticification, granulation.
This Standard applies to thermoplastic and cross-linking type halogen free low smoke fire-retardant compounds for wires and cables. NOTE For cross-linking products, the specified properties refer to the properties of material.
Its clauses include application scope; product classification; technical requirements; test methods; inspection rules; packaging, marking, transportation, storage.
It was issued by the General Administration of Quality Supervision, Inspection and Quarantine on OCTOBER 9, 2015 and took effect on MAY 1, 2016.
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Document preview — GB/T 32129-2015
National Standard of the People's Republic of China
- ICS
- 29.060.01
- Classification
- K 13
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword4
- 1 Application Scope5
- 2 Normative References5
- 3 Product Classification6
- 3.1 Codes6
- 3.2 Designation system7
- 4 Technical Requirements8
- 4.1 Appearance8
- 4.2 Colours8
- 4.3 Properties8
- 5 Test Methods15
- 5.1 Appearance inspection15
- 5.2 Specimen preparation16
- 5.3 Tensile strength and elongation at break16
- 5.4 Air oven thermal ageing16
- 5.5 Deformation at 100% fixed elongation17
- 5.6 Thermal deformation18
- 5.7 Volume resistivity18
- 5.8 Dielectric strength18
- 5.9 Thermal impact resistance18
- 5.10 Hot set18
- 5.11 Impact brittleness temperature18
- 5.12 Ozone resistance19
- 5.13 Hot water immersion19
- 5.14 Oxygen index19
- 5.15 Vertical burning19
- 5.16 Smoke density19
- 5.17 Content of HCl and HBr19
- 5.18 HF content19
- 5.19 PH value and conductivity20
- 5.20 Toxic hazard of smoke generated by material20
- 6 Inspection Rules20
- 6.1 Inspection classification20
- 6.2 Ex-factory inspection20
- 6.3 Type inspection20
- 6.4 Batch grouping and sampling rules21
- 6.5 Acceptance criteria21
- 7 Packaging, Marking, Transportation, Storage21
- 7.1 Packaging21
- 7.2 Marking21
- 7.3 Transportation22
- 7.4 Storage22
- Annex A (Normative) Thermal Shock Resistance Test Method23
- Bibliography25
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Application Scope
This Standard specifies the classification, technical requirements, test methods, inspection rules and packaging, marking, transportation and storage of halogen free low smoke and flame-retardant compounds for wires and cables.
This Standard applies to sheath for halogen free low smoke and flame-retardant wires and cables and optical cables, and insulation for halogen free low smoke and flame-retardant wires and cables of rated voltage 3 kV and below.
This Standard applies to halogen free low smoke and flame-retardant compounds for wires and cables, which is made by adding halogen free fire retardants and other performance additives to one or multiple halogen free polymer or copolymer and by mixing, plasticification, granulation.
This Standard applies to thermoplastic and cross-linking type halogen free low smoke fire-retardant compounds for wires and cables.
NOTE For cross-linking products, the specified properties refer to the properties of material after cross linking.
GB/T 2406.2-2009, Plastics - Determination of Burning Behaviour by Oxygen Index - Part 2. Ambient-temperature Test
GB/T 2408-2008, Plastics - Determination of Burning Characteristics - Horizontal elastomer compounds for sheath are designated as WDZ-TPU-H70.
EXAMPLE 3 125°C halogen free low smoke fire-retardant cross-linking polyolefin compounds for insulation are designated as WDZ-YJ-J125.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this Standard.
GB/T 1040.3-2006, Plastics - Determination of Tensile Properties - Part 3. Test Conditions for Films and Sheets
GB/T 1408.1-2006, Electrical Strength of Insulating Materials - Test Methods - Part
GB/T 1410-2006, Methods of Test for Volume Resistivity and Surface Resistivity of Solid Electrical Insulating Materials
4 Technical Requirements
4.1 Appearance
Halogen free low smoke fire-retardant compounds for wires and cables shall have good plasticization and uniform colour, and shall be cylinder-shaped grains of diameter about 3 mm ~ 4 mm and height 3 mm or of any other shape as agreed on by the supplier and the purchaser.
4.2 Colours
The colours of halogen free low smoke fire-retardant compounds for sheath are black, white, natural colour, grey and so on.
The colours of halogen free low smoke fire-retardant compounds for insulation are black, white, natural colour, red, yellow, blue, green, orange, grey, brown and so on.
Any other colour can be as agreed on by the supplier and the purchaser.
4.3 Properties
4.3.1 The properties of halogen free low smoke fire-retardant thermoplastic polyolefin compounds for insulation and sheath shall be as specified in Table 1.
4.3.2 The properties of halogen free low smoke fire-retardant thermoplastic […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1040.3-2006Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets
- GB/T 1408.1-2006Insulating materials -- Test methods for electric strength -- Part 1: Test at power frequencies
- GB/T 1410-2006[Replaced by GB/T 31838.2-2019] Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials
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Related Standards
GB/T 1040.3-2006 — Plastics -- Determination of tensile properties -- Part 3: Test conditions for films and sheets
GB/T 1410-2006 — [Replaced by GB/T 31838.2-2019] Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials
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