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EPDM fire retardant

Polycomp fire retardant or flame retardant rubber compounds have distinguishing properties and offer you a solution for many applications. Obviously, no brominated or chlorinated ingredients are being used to obtain its excellent re retardant properties, nor ingredients that contain heavy metals. Moreover, based on demand we can developed compounds in your speci c colour.
For applications where demanding mechanical requirements are faced we have developed our “Extreme” compound series.

Our EPDM re retardant compounds:

StandardExtreme
60 ShAEE698CEE698D
70 ShAEE796SEE796U

The compounds are being used in compression moulding, injection moulding, autoclave vulcanisation, extrusion and salt bath curing.

Values to the customer

– Extremely low toxicity and smoke density in case of a re
– High LOI (Limiting Oxygen Index)
– Fully halogen free
– Well exceeds the requirements sets R22, HL3 and R23, HL3
– Available in every colour

Test results (Currenta) according to the requirements of EN45545-2:2013
TestDescriptionResults EE796SEN45545-2: 2013 - approved requirement sets
R22, HL3R23 HL3R9 HL3R21 HL1R24 HL3
LOI (%)Limiting oxygen index34.7≥32≥32--≥32
CITNLPGas analysis (smoke toxicity)0.05≤0.75≤1.5---
Ds maxSmoke generation30≤150≤300≤300≤300-
CITG (4 min) @ 25 kW/m2FTIR gas analysis0.01--≤1.5≤1.2-
CITG (8 min) @ 25 kW/m2FTIR gas analysis0.01--≤1.5≤1.2-
MARHE 25 kW/m2 (kW/m2)Reaction to re test heat release rate59.76--≤60≤75-

EPDM 70 ShA EE796S
Compound EE796S has excellent re retardant properties. It has successfully been tested to the EN45545-2 standard. Beyond that it also offers outstanding weather resistance.

Characteristics:
– Fully halogen free, no heavy metals
– Extremely low toxicity of gases
– Extremely low smoke density
– High LOI (Limiting Oxygen Index)
– Well exceeds the requirement sets R22, HL3 and R23, HL3 of EN45545-2:2013
– Excellent cold exibility, fully exible at -50 °C
– No corrosive gases formed.
– Coloured compounds possible
– Temperature range -50 to +150 °C
– Certi ed according to EN45545-2:2013 and UL94:V0


EPDM 70 ShA Extreme EE796U
Besides the excellent re retardant properties of compound EE796S, compound EE796U Extreme has improved mechanical properties for more demanding applications, while keeping the excellent re retardant properties.


EPDM 60 ShA EE698C
Keeping the excellent properties of the 70 ShA compounds, Polycomp offers also a softer version (60 ShA).

Characteristics:
– Fully halogen free, no heavy metals – Extremely low toxicity of gases
– Extremely low smoke density
– High LOI (Limiting Oxygen Index)
– Excellent cold exibility, fully exible at -50 °C – No corrosive gases formed.
– Coloured compounds possible
– Temperature range -50 to +150 °C


EPDM 60 ShA Extreme EE698D
Besides the excellent re retardant properties of compound EE698C, compound EE698D Extreme has improved mechanical properties for more demanding applications, while keeping the excellent re retardant properties.
Characteristics:
– Improved tensile strength
– Improved compression set
– Better tear strength


More information about EPDM fire retardant

Call + 31 (0)575 55 40 66


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  • P.O. Box 57, 7250 AB Vorden
  • Handelsweg 7, 7251 JG, Vorden
  • The Netherlands

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TS 16949 and ISO - 9001 certified
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