Product Data Sheet Safety Data Sheet Show all documents
SikaSeal®-623 Fire+

SikaSeal®-623 Fire+

Fire resistant intumescent sealant for penetration seals

SikaSeal®-623 Fire+ is a fire resistant, intumescent graphite sealant. It is used for penetration seals around combustible services in fire compartment walls and floors. In case of fire, SikaSeal®-623 Fire+ closes gaps due to volume expansion of up to 25 times.

  • Up to 4 hours fire resistance depending on the configuration.
  • Highly intumescent - volume expansion up to 25 times original size.
  • 1-part ready to use, easy to apply.
  • Provides acoustic insulation.
 
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Product Data Sheet Safety Data Sheet Show all documents

Usage

  • Restores the fire resistance performance of a wall or a floor which incorporates combustible pipes, combustible pipe insulations or conduits.
  • Can be used in combination with SikaSeal®-626 Fire Board+, refer to certificates.

Advantages

  • Up to 4 hours fire resistance depending on the configuration.
  • Highly intumescent - volume expansion up to 25 times original size.
  • 1-part ready to use, easy to apply.
  • Provides acoustic insulation.
 

Packaging

300 ml cartridge

12 cartridges per box

600 ml foil pack

12 foil packs per box

Refer to current price list for packaging variations.

Colour

Anthracite

Product Details

Sustainability / Certifications / Approvals

ENVIRONMENTAL INFORMATION

  • Conformity with LEED v4 EQc 2: Low-Emitting Materials.

  • VOC emission classification GEV-EMICODE EC 1PLUS .

APPROVALS / STANDARDS

  • CE Marking and Declaration of Performance based on European Technical Assessment ETA 23/0963, based on EAD 350454-00-1104:2017 - Fire stopping and sealing products, penetration seals.

  • UL-EU-01213-CPR based on EAD 350454-00-1104:2017.
Product Information

Chemical Base

Graphite

Shelf Life

18 months from the date of production

Storage Conditions

The product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to packaging.

Density

~1.5 kg/l

(ISO 1183-1)
Technical Information

Resistance to fire

Refer to ‘Approvals / Certificates’ or contact Sika Technical Services for additional information.

Service Temperature

−15 °C min. / +75 °C max.

Application

Application Information

Ambient Air Temperature

+5 °C min. / +30 °C max.

Substrate Temperature

+5 °C min. / +30 °C max., min. +3 °C above dew point temperature
Application steps

SUBSTRATE PREPARATION

The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles.

SikaSeal®-623 Fire+ adheres without primers and/or activators.

APPLICATION

Reference must be made to the relevant Sika Application Manual or contact Sika Technical Services for additional information.

CLEANING OF TOOLS

Clean all tools and application equipment with water immediately after use. Hardened material can only be removed mechanically.

Documents

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