Characteristics of low-smoke halogen-free and flame retardant compound for optical cable jacketing
1 Scope
This standard specifies the classification, requirements, performance test methods, etc. of low-smoke halogen-free flame retardant compound for optical cable jacketing.
The jacketing compound specified in this standard may be used to produce optical cables and indoor wires and cables with flame retardant requirements.
2 Normative references
The following standard contains provisions which, through reference in this standard, constitute provisions of this standard. All the editions indicated in this standard were valid. All standards are subject to revision, and all parties using this standard are encouraged to investigate the possibility of applying the latest editions of the following standards.
GB 1033-86 Test method for density and relative density of plastics
GB 1040-92 Plastics - Determination of tensile properties
GB 1410-88 Methods of test for insulation resistance, volume resistivity and surface resistivity of solid electrical insulating materials
GB/T 2951-1997 Test method for resistance to environmental stress cracking of polyethylene
GB/T 2406-93 Test method for flammability characteristics of plastics - Oxygen index method
GB 2408-80 Plastics - Determination of the burning behaviour - Horizontal burning test
GB 2411-80 Plastics - Shore hardness test
GB 4609-84 Plastics - Determination of the burning behaviour - Vertical burning test
GB 5470-85 Plastics - Determination of the brittleness temperature by impact
GB 6995.2-86 Markings for electric wires and cables - Part 2: Standard colours
GB 7141-86 Plastics - Methods of air heat aging
GB 8815-88 Plasticized polyvinyl chloride (PVC) compounds for wire and cable
GB 9352-88 Plastics - Compression moulding test specimens of thermoplastic materials
GB/T 17650.1 ~ 17650.2-1998 Test on gases evolved during combustion of materials from cables
GB 8323-87 Test method for flammability of plastics - Smoke density test
Foreword i
1 Scope
2 Normative references
3 Product classification
4 Technical requirements
5 Test methods
Annex A (Normative) Test method of hydrogen halide content
Annex B (Normative) Test method for pH value and conductivity of combustion gas solution
