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FLAME RETARDANT TPEMaterial Solutions by KRAIBURG TPE

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3

Process of Combustion

Time

4

Process of Combustion

Carbonisation

Heat

Carbon

Combustion Products

Smoke

Heat

Flammable

Gas

Oxygen

Thermal

Feedback

Decomposition

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Influences of Combustion

Humidity,

Ignition Sources

Combination of

MaterialsWall Thickness

Burning Direction

Flame Retardant

Oxygen Level,

Temperature

Flammability of

Polymers

Part

Design

Polymer Conditions

Part

Design

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Flame Retardant

We use HFFRs: Halogen Free Flame Retardants*

Advantages

Reduced Generation of Toxic Gases

Reduced Smoke Intensity

No need for disassembly at end-of-

lifetime

Disadvantages

High Filler Content

Reduced Mechanical Properties

* According to IEC 61249-2-21

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Flameretardant TPS

Series FR1 – FR2 – FR/AD1

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V0 @

3 mmFR1

PP ABS, PC

Product Portfolio – Flame retardant TPE

V0 @

1.5 mmFR2

LOI

>34%

GWFI

960°C

FR/AD1

FR2

FR1 & FR2 FR/AD1

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Product Portfolio – Flame retardant TPE

TC6FRN

(FR1-

Series)

TC6FTN

(FR2-

Series

TC6MFN

(FR/AD1-

Series)

TC8FRN

(FR-

Series)

TC8FTN

(FR2-

Series)

TC8MFN

(FR/AD1-

Series)

TS [MPa] 3.5 4.0 2.5 5.0 6.0 3.5

EB [%] 600 600 450 650 550 500

CS [%]

23 °C / 70 h

70 °C / 22 h

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35

15

60

36

88

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47

23

30

--

--

UL94 V0 3.0 mm 1.5 mm 3.0 mm 3.0 mm 1.5 mm 3.0 mm

Adhesion PP PPABS, PC,

ABS/PCPP PP

ABS, PC,

ABS/PC

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Hardness Range: 40 – 90 Sh A

UL94 V0 Yellow Card: all colors

Highest GWFI

Superior Adhesion to Polypropylene

Good Compression Set at Room Temperature

Suitable for Extrusion and Injection Molding

FR1 & FR2 – Series

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Hardness Range: 60 – 80 Sh A

UL94 V0 Yellow Card: all colors

Highest GWFI

Exclusive Materials: Halogen Free & Adhesion to Polar Thermoplastics

Suitable for Extrusion and Injection Molding

FR/AD1 – Series

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Application Examples

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Application Samples

Anforderungen Excellent Compression Set

UL V0 Approval

Hardness 50/60 ShA

Product Bellows for Train Driver Seat

Project Status Commercialized Application Series FR

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Application Examples

Requirements Good Compression Set

Resistance to Fuel

Flame Retardant

Product Fuel Hose Fittings

Project Status Commercialized Application Series FR

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Application Examples

Requirements Soft Touch

Adhesion to PC

UL V0

Product Handles for Handhelds

Project Status Commercialized Application Series FR/AD1

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Application Examples

Product Grommet

Requirements UL94V0 Listing

Colored in RAL 7035

Halogen-Free

Project Status Commercialized Application Series FR

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Application Examples

Product Door Gaskets

Requirements Possible for Building Requirements

Low Smoke Emission

Halogen-Free

Project Status Commercialized Application Series FR

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Application Examples

Product Socket Housing Gaskets

Requirements Possible for Building Requirements

Low Smoke Emission

Good Compresion Set

Project Status Commercialized Application Series FR/AD1

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Application Examples

Product Fire Brigade Helmet

Requirements Flame Retardent

Soft – Comfort to Wear

Halogen-Free

Project Status Commercialized Application Series FR

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For more information please visit: www.kraiburg-tpe.com

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Glow Wire Test

Test Piece Glow Wire Test Piece

Glow Wire

GWIT

Highest temperature at which no

ignition of test sample occurs.

(Ignition = Flame > 5 s)

GWFI

Highest temperature at which

maximum glowing / burning time

of sample is below 30 s.

Temperatures of Glow Wire (°C)

550 – 650 – 750 – 850 – 960

1 N

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Horizontal Burning

Rating Wall Thickness Burning Rate

UL-94 HB 3-13 mm ≤ 40 mm/min

UL-94 HB < 3mm ≤ 75 mm/min

FMVSS 302 < 13 mm ≤ 100 mm/min

Fine Wire-Mesh

Test Piece

Burner

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Burner

Test Piece

Vertical Burning UL 94-V

Rating After flame Burning Drips

V-2 < 30 s yes

V-1 < 30 s no

V-0 < 10 s no

Burner

Test Piece

Cotton

Wadding

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Smoke Density and Toxicity Test

Photosensor

Heater~

~

~

Sample

Smoke

Light Source

Most Toxic Smoke Components:

Carbon Monoxide

Carbon Dioxide

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LOI (ISO4589; ASTM D2863)

Limiting Oxygen Index

40%

23%

15%

Flame Retardant Flammable

BA

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Limiting Oxygen Index

LOI (ISO4589; ASTM D2863)

40%

23%

15%

A BFlame Retardant Flammable

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Limiting Oxygen Index

LOI (ISO4589; ASTM D2863)

40%

23%

15%

A B

FlammableFlame Retardant