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PYRO-SAFE<sup>®</sup> Flammotect-A

PYRO-SAFE® Flammotect-A

Cable coating

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PYRO-SAFE<sup>®</sup> Flammotect-A

PYRO-SAFE® Flammotect-A

Cable coating

Ablative coating system designed for fireproofing cable systems and for protecting cables from external influences.

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Fire Resistance Class

  • IEC 60332-3-22 Cat. A: 2018 for 60 min
  • GOST IEC 60332-3-22 Cat. A for 60 min
  • IEC 60331-21 up to 180 min
  • FM Approval Class 3971
  • ASTM E84 Class Rating: A
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Field of Application

  • Prevention of flame spread
  • Maintenance of cable circuit integrity
  • Protection of cables from external influences
  • Indoor and outdoor application
  • Safeguarding of (nuclear) power plants, transformer stations, production facilities, industrial plants, infrastructure objects and public buildings
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  • ETA-22/0052
  • DNV GL Certificate No. TAE00003BN
  • FM Approval Identification 3037058
  • Further certificates and product qualification documents
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  • Available in different viscosities
  • Even thick layers can be applied in one operation
  • Applicable with airless spray equipment
  • No electrical derating required
  • Awarded with multiple approvals for use in nuclear facilities
  • No impact on other building materials such as polyethylene (PE) and polyvinyl chloride (PVC)
  • Resistant to moisture, freeze-thaw cycling, UV radiation as well as various oils and chemicals
  • Saltwater-approved
  • No spalling of material under mechanical stress, high flexibility of the coating
  • Solvent-free, contains no halogens
  • Free of asbestos, lead, mercury, hexavalent chromium and polybrominated biphenyl ether
  • Does not release toxic fumes

Allowed Services

Services Maximum diameter
Cable bundles
Cable trays

Installation Video – PYRO-SAFE® Flammotect-A Cable Coating

Installation Video – PYRO-SAFE® Flammotect-A Cable Coating

PYRO-SAFE® Flammotect-A Cable Coating is an ablative fire protection coating for cable systems. It comes as solid emulsion and as coating. By choosing the appropriate product variant(s) and using an airless sprayer, brush or rolier, as the case may be, the coating can be evenly applied to cable systems in any location.

Technical Data

Fire protection and reaction to fire

Fire behaviour Class E As per EN 13501-1
Flame spread Cat. A: 2018 for 60 min.
Dry film thickness ≥ 0.5 mm
As per IEC 60332-3-22
(DNV GL Certificate No. TAE00003BN)
Cat. A for 60 min.
Dry film thickness ≥ 1.0 (PE); 1.4 mm (PVC)
GOST IEC 60332-3-22
Class Rating: A
(0-25 Flame Spread Index, 0-450 Smoke Developed Index)
Flame Spread Index: 15
Smoke Developed Index: 60
Maintenance of circuit integrity Various tests for up to 180 min for different cable types and voltage ranges As per IEC 60331-21
FM Approval Class 3971 FM Approvals – Certificate of Compliance
Approval Identification: 3037058
Certified dry film thickness of 1.6 mm
Smoke density DS (4) = 81, VOF4 = 154 min., DS (max) = 85
DS Average = 174.36
As per DIN EN ISO 5659-2
As per ASTM E 662
Smoke toxicity CITG = 0.20 (Conventional Index of Toxicity)
No release of HCl, HF, HBr, HCN
EN 45545-2 Annex C and ISO 5659-2

Electrical specifications

Cable heating No electrical derating required As per FM Approval Class 3971
Thermal comparison of coated and uncoated cables.

Temperature difference ≤ 2 %

GOST IEC 60332-3-22
No temperature difference between coated and uncoated cables while under current for 8 hours Test Report No. 00541
Elektrisches Prüfamt
München (Electrical Testing Office, Munich)
Dielectric strength Leakage current ≤ 5.0 mA between conductor and outer jacket during high-potential-test As per FM Approval Class 3971
Surface resistance ≥ 1000 MΩ As per DIN VDE 0427/05.85, Section 503-4.2


Resistant to ageing The essential properties of PYRO-SAFE® FLAMMOTECT-A are not affected by ageing
Withstands artificial ageing without deterioration

Indoor/outdoor use: Temperature extremes alternating between +71 °C and -40 °C, UV irradiation and humidity

As per FM 3971
As per EOTA TR024
Withstands long-term ageing without deterioration

Outdoor use: The material was exposed to direct natural weathering for 5 years without exhibiting any change in fire behaviour
(MPA Nordrhein-Westfalen (notified body 0432), Report No. 230006109-1)
Indoor use: The material was stored indoors for 10 years without exhibiting any change in fire behaviour
(MPA Braunschweig (notified body 0761), Report No. 3224/821/11)

Resistant to weathering Use category X (product suitable for use in areas exposed to direct natural weathering) As per EOTA TR024
Resistant to salt water Long-term exposure to salt water As per FM 3971
As per EOTA TR024
As per EN ISO 2812-1
Resistant to radiation Classified as radiation-resistant at a radiation dose of 1.0×106 Gy (108 rad)
Resistant to aggressive deactivation media Approved to withstand various types of deactivation media, e. g. nitric acid, sodium hydroxide, boric acid
Resistant to chemicals Resistant to a wide range of chemicals that may be present in sensitive or vulnerable areas As per DIN EN ISO 2812-1


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PYRO-SAFE<sup>®</sup> Flammotect-A

PYRO-SAFE® Flammotect-A

Cable coating