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Fire Testing to Railway Components---EU Standard: EN45545-2/prCENTS EN 45545


1. Standard—EN45545-2/prCENTS EN 45545 Fire Testing to Railway Components
EN45545-2 Railway applications - Fire protection of railway vehicles-Part 2: Requirement for fire behaviour of materials and components.


2. Standard Brief—EN45545-2/prCENTS EN 45545 Fire Testing to Railway Components
Railway rolling stock material for fire testing standards, national testing standards and methods are different, the EU launched a program called Firestarr Project to study and establish a set of railway vehicles, materials, flammability, flame spread rate, heat release the amount of smoke emission and toxicity testing.

According to vehicle material end-use and fire risks, will be divided into R1-R26. the 26 different categories.

Fire hazard levels (HL1 to HL3) result from different dwell times and are related to operation and design categories


EN45545-2/prCENTS EN 45545 Design categories
All vehicles are classified due to their design as follows:
-A: automatic vehicles having no emergency trained staff on board;
-D: double decked vehicles;
-S: sleeping and couchette cars;
-N: all other vehicle
These design categories generate fire scenarios which lead to different dwell times.


3. EN45545-2/prCENTS EN 45545 The main fire testing standard
EN ISO 5658-2 Spread of flame
EN ISO 5660-1 Heat release, smoke production and mass loss rate
EN ISO 5659-2 Smoke density
EN 45545 Annex C Smoke toxicity
EN ISO 9239-1 Determination of the burning behaviour using a radiant heat source
EN ISO 4589 Oxygen index
EN 50266 Vertical cable test
ISO 9705 Fire test—full scale room test for surface products
EN 50266-2-4/-5 Vertical bunch cable fire testing
EN 50305 9.1.1 Vertical bunch cable fire testing
EN 50305 9.1.2 Vertical bunch cable fire testing
EN 60332-1-2 Vertical single cable fire testing
EN 50268-2 Toxicity
NF X 70-100 Toxicity

4. EN45545-2/prCENTS EN 45545 The main concern:
Heat release
Flammability
The spread of flame
Toxicity and Density of smoke


5. EN45545-2/prCENTS EN 45545 test item and standard

Item

End-use

Test content

Test method

EN 45545-2

R1

Wall, Ceiling and so on

Test for Spread of flame

ISO 5658-2

Test for Heat release

ISO 5660-1

Smoke density

ISO 5659-2

Smoke Toxicity

ISO 5659-2

EN 45545-2

R5

Air filter materials

Single flame source test

ISO 11925-2

Test for Heat release

ISO 5660-1

Smoke density test

ISO 5659-2

Smoke Toxicity test

ISO 5659-2

EN 45545-2

R10

Floor

Test for Heat release

ISO 5660-1

Determination of the burning behaviour using a radiant heat source

ISO 9239-1

Smoke density test

ISO 5659-2

Smoke Toxicity test

ISO 5659-2

EN 45545-2

R15, R16

Cable

Single Cable combustion test

EN 60332-1-2

Bunched cables combustion test

EN 50266-2-4

Smoke density test

EN 61034-2

Smoke Toxicity test

NF X70-100-1 & 2

EN 45545-2

R22, R23

Small range of materials

Oxygen index test

EN ISO 4589-2

Smoke density test

EN ISO 5659-2

Smoke Toxicity test

NF X70-100-1 & 2


6. Application EN45545-2/prCENTS EN 45545 Fire testing materials:
Rubber Product、Rubber seal
Ceiling Covering
Walling Covering
Textile、Non-woven fabrics Curtain、Curtain、Adumbral Product
Seat shell、Seat trim
Flooring Covering、PVC Flooring covering
Cable、Cable tie、Cable tube
Foam material、Sponge、Melamine Foam
Paint、Adhesive、Pigment、Varnish
FRP composite materials、SMC sheet
Braided hose、Hose protection
Window、door 、framework
Small parts
Connector、Connected equipment
pipe、corrugate pipe、Heating pipe、Cooling pipe
Other materials


7. Other standard CEN/TS EN45545-2/prCENTS EN 45545 
CEN/TS EN45545-Fire protection of railway vehicles
CEN/TS EN45545-1 Part1: Gerneral
CEN/TS EN45545-2 Part2: Requirements for fire behaviour of materials and components
CEN/TS EN45545-3 Part3: Fire resistance requirement for fire barriers and partitions
CEN/TS EN45545-5 Part5: Fire safety requirements for electrical equipment including that of trolley buses, track guided and magnetic levitation vehicles
CEN/TS EN45545-6 Part 6: Fire control and management system
CEN/TS EN45545-7 Part7: Fire safety requirements for flammable liquid and flammable gas installations

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