Halogen-free according to IEC 61249-2-21
Flame Retardant TPE
KRAIBURG TPE's UL-listed compounds are your material solution for fire protection.
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Flame Retardant TPE?
For multi-component applications with polypropylene, a product series with a V-0 non-combustibility classification for wall thicknesses of 1.5 mm has been developed in accordance with UL standard 94 V-0. Another series with V0 classification for 3 mm is also part of the product line.
FR1 Series |
THERMOLAST® K
UL94 V-0 (3.0 mm) certified
The FR1 series provides flame-retardant, halogen-free compounds certified to meet safety standards (UL94 V0, IEC 61249-2-21), available in versatile black and natural colors—giving you reliable fire protection and flexible dyeing options for your applications.
Featured Product: FR1 Series | THERMOLAST® K
Your advantages
The FR1 series is your material solution for applications with flame retardant requirements. The compounds are certified according to UL94 V0 (3.0 mm) and halogen-free according to IEC 61249-2-21. They are available in black and natural colors. The natural-colored variants can be dyed in many different ways.
Processing methods: Injection molding, extrusion
Color/RAL version: Natural, black
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Featured Product: FR1 Series | THERMOLAST® K
Key Features and Safety Standards
KRAIBURG TPE has extensive experience in developing TPE with halogen-free flame-retardant properties.
Halogen-free (according to IEC 61249-2-21)
Self-extinguishing, non-flammable dripping - UL 94 V-0 (3 mm)
Adhesion to PP
Recycling possible in the processing process
Pre-coloring possible in all colors
Temperature stability up to 85 °C
High glow wire resistance (GWFI) - IEC 60695-2-12:2021-10 (GWFI) 960 °C / 3 mm
Stability in ambient conditions up to 60 °C and 75% humidity
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Contact our Expert to learn more!
Katrin Vetter
Market Manager Industry
Phone: +49 8638 9810-466
E-Mail: Katrin.Vetter@Kraiburg-tpe.com
Contact our Expert
FR3 Series |
THERMOLAST® K
UL94 V0 (1.5 mm)
The FR3 series offers high flame resistance in accordance with UL94 V0 standard and improved mechanical properties, is halogen-free in accordance with IEC 61249-2-21, and offers versatile, reliable compounds for safety-critical applications in natural or colored versions.
Featured Product: FR3 Series | THERMOLAST® K
Your advantage
The FR3 series is your material solution for applications with high flame retardancy requirements and optimized mechanics. The compounds are halogen-free in accordance with IEC 61249-2-21. The fire behavior in accordance with UL94 V-0 and the classification in accordance with DIN EN 45545-2 R22/R23 HL3 applies in the available hardness range for natural-colored and colored compounds.
Processing methods: Injection molding, extrusion
Color/RAL version: Natural, colored
Get more information
Featured Product: FR3 Series | THERMOLAST® K
Key Features and Safety Standards
Adhesion to PP
Recycling possible during the processing stage
Halogen-free (according to IEC 61249-2-21)
Self-extinguishing, non-flammable dripping -UL 94 V-0 (1.5 mm)
Pre-coloring possible in all colors
No use of silicones
Temperature stability up to 85 °C
High glow wire resistance (GWFI)
Meets rail transport requirements such as high LOI value, low toxicity, and smoke density
Stability in environmental conditions up to 80 °C and 85% humidity
Download Datasheet
KRAIBURG TPE offers halogen-free, flame-retardant TPE that meets the highest fire safety standards such as UL94V0 and GWFI. In addition, our FR3 series is certified according to DIN EN 45545-2 R22 HL2 and DIN EN 45545-2 R23 HL3.
Katrin Vetter | Market Manager Industry
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Fact sheets provide detailed information on solutions, areas of application, technical specifications, and product USPs.
Fact Sheet | Halogen-free flame retardant TPE for high fire protection requirements
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