TB/T 3138-2018 in English

Technical specification of flame retardant materials for railway locomotive and vehicle

1 Scope

This standard specifies the technical requirements and test methods for flame retardant materials for railway locomotive and vehicle.

This standard is applicable to the railway locomotive and vehicles with a maximum operating speed of less than or equal to 200 km/h.

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 2406.2 Plastics - Determination of burning behaviour by oxygen index - Part 2: Ambient-temperature test
GB/T 5454 Textiles - Burning behaviour - Oxygen index method
GB/T 5464 Non-combustibility test method for building materials
GB/T 8323.2 Plastic - Smoke generation - Part 2: Determination of smoke density by a single-chamber test
GB 8624 Classification for burning behavior of building materials and products
GB/T 10707 Rubber - Determination of the burning
GB/T 17596-1998 Textiles - Domestic laundering procedure for textile fabrics prior to flammability testing
GB/T 1484 (All parts) Specification for cables on board rolling stock

3 Technical requirements and test methods

3.1 General requirements

In the tests for flame retardant materials for railway locomotives and vehicles, specimens shall be sampled from finished products. If specimens cannot be taken from finished products, specimens shall be prepared according to actual application conditions.

3.2 Interior structural materials

3.2.1 Products with a horizontal plane facing down

Products with a horizontal plane facing down, mainly including top plate, side top plate and luggage rack shall meet the requirements in Table 1.

Table 1 Requirements for flame retardance and test methods for products with a horizontal plane facing down

Foreword I
1 Scope
2 Normative references
3 Technical requirements and test methods
3.2 Interior structural materials
3.3 Thermal insulation and packaging materials
3.4 Interior decoration materials
3.5 Air conditioning ducts
3.6 Rubber materials for general purpose
3.7 Wires and cables
Annex A (Normative) Method and result judgment of 45° angle burning test