Product Data Sheet Show all documents
Sikacryl®-621 Fire+

Sikacryl®-621 Fire+

Fire resistant acrylic sealant for linear seals and penetrations

Sikacryl®-621 Fire+ is a fire resistant, intumescent, phthalate-free acrylic sealant used for interior joints and penetration seals in fire compartment walls and floors.

  • Up to 4 hours fire resistance
  • 1-part ready to use, easy to apply
  • Provides acoustic insulation
  • Tested for a large variety of relevant wall and floor types
 
Product Data Sheet Show all documents

Usage

  • Restores the fire resistance performance of a wall or floor which incorporates penetration services or linear seals

Advantages

  • Up to 4 hours fire resistance
  • 1-part ready to use, easy to apply
  • Provides acoustic insulation
  • Tested for a large variety of relevant wall and floor types
 

Packaging

300 ml cartridge

12 cartridges per box

Colour

White

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 to European Technical Assessment ETA 21/0889, based on EAD 350141-00-1106:2017 - Fire stopping and fire sealing products, linear joint and gap seals

  • CE Marking and Declaration of Performance to European Technical Assessment ETA 21/0888, based on EAD 350454-00-1104:2017 - Fire stopping and fire sealing products, penetration seals

  • Fire Resistance EN 13501,-2 UL-EU, No.UL-EU-01212-CPR

  • Warrington Fire Assessment report - Service penetrations protected with Sikacryl-621 Fire + in accordance with AS 1530.4:2014 and AS 4072.1:2005 Report Number FAS210309
Product Information

Chemical Base

Acrylic dispersion

Shelf Life

24 months from the date of production.

Storage Conditions

The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +25 °C. Always refer to packaging.

Density

~1.6 kg/l

(ISO 1183-1)
Technical Information

Service Temperature

−20 °C min. / +70 °C max.

Resistance to fire

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

Joint Design

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

Application

Application Information

Sag Flow

~0 mm (20 mm profile, +50 °C) 

(ISO 7390)

Ambient Air Temperature

+5 °C min. / +30 °C max. 

Substrate Temperature

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

Backing Material

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

Skin Time

~15 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.

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.

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