Product Data Sheet Show all documents

Sikacryl®-621 Fire

Fire resistant acrylic sealant for service penetration and joint seals

Sikacryl®-621 Fire is a fire resistant, phthalate-free acrylic sealant for interior joints and penetration sealing in walls and floors.

  • Can be combined with many other Sika passive fire protection products
  • Provides acoustic insulation
  • 1-part ready to use, easy to apply
  • Up to 4 hours fire resistance
 
Product Data Sheet Show all documents

Usage

  • Restores the fire resistance performance of a floor or wall which incorporates penetration services or linear seals
  • Can be combined with SikaSeal®-623 Fire, Sikacryl®-624 Fire, SikaSeal®-626 Fire Board, SikaSeal®-627 Fire Collar, SikaSeal®-628 Fire Wrap and SikaSeal®-629 Fire Wrap

Advantages

  • Can be combined with many other Sika passive fire protection products
  • Provides acoustic insulation
  • 1-part ready to use, easy to apply
  • Up to 4 hours fire resistance
 

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

White, grey

Product Details

Sustainability / Certifications / Approvals

SUSTAINABILITY

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

  • VOC emission classification GEV-EMICODE EC 1PLUS   

APPROVALS / CERTIFICATES

  • CE Marking and Declaration of Performance to EN 15651-1 - Sealants for non-structural use in joints in buildings - Facade elements
  • CE Marking and Declaration of Performance to European Technical Assessment ETA 18/1051, based on EAD 350141-00-1106:2017 - Fire stopping and fire sealing products, linear joint an gap seals
  • CE Marking and Declaration of Performance to European Technical Assessment ETA 18/1052, based on EAD 350454-00-1104:2017 - Fire stopping and fire sealing products, penetration seals
  • Fire Protection of Movement Joints BS 476, EN 1366-3, EN 1366-4, Sikacryl®-621 Fire, warringtonfire, Approval No. CF 5718
  • Fire Reaction, Flow Resistance, Elongation at Break, Durability tests EN 15651-1, Sikacryl®-621, Sika, Test report No. 00002-CS&B-00554-Mri
  • Fire Resistance Performance Classification EN 13501-2, Sikacryl®-621 Fire, warringtonfire, Classification report No. 401159/A
  • Fire Sealant for Fire Stopping EN 1366-3, EN 1366-4, 13501-2, ETAG 026-2, ETAG 026-3, Sikacryl®-621 Fire, UL, Certificate No. UL-EU-01090-CPR
 
Product Information

Composition

Acrylic dispersion

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 +25 °C. Always refer to packaging.

Density

~1,60 kg/l

 (ISO 1183-1)
Technical Information

Resistance to fire

Refer to ‘Approvals / Certificates’, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information.

Service temperature

−20 °C min. / +70 °C max.

Joint Design

Refer to ‘Approvals / Certificates’, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information.

Application

Application Information

Backing Material

Refer to ‘Approvals / Certificates’, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information.

Sag Flow

~0 mm (20 mm profile, 50 °C) 

(ISO 7390)

Ambient Air Temperature

+5 °C min. / +40 °C max.

Substrate Temperature

+5 °C min. / +40 °C max., min. 3 °C above dew point temperature

Skinning time

~10 min (23 °C / 50 % r.h.) 

(CPQ 019-1)
Application steps

SUBSTRATE PREPARATION

The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles. Sikacryl®-621 Fire adheres without primers and/or activators.

CLEANING OF EQUIPMENT

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

 

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