Sikaflex®-400 Fire

Fire resistant polyurethane joint sealant


Sikaflex®-400 Fire is a fire resistant, polyurethane, 1-part, moisture-curing, elastic joint sealant. Movement capability ±35 %. Internal and external use.

  • Up to 4 hours fire resistance according to AS 1530.4
  • Up to 4 hours fire resistance according to EN 1366-4
  • Movement capability ±35 % (ASTMC719)

Usage


Sikaflex®-400 Fire is designed for fire rated movement and connection joints and penetrations on porous and non-porous substrates.

Packaging


600 ml cylindrical foil pack: 20 foil packs per box

Colour


Grey

Advantages


  • Up to 4 hours fire resistance according to AS 1530.4
  • Up to 4 hours fire resistance according to EN 1366-4
  • Movement capability ±35 % (ASTMC719)
  • Easy to smooth and good workability
  • Good adhesion to many different substrates
  • Long open time

Product Information


Chemical Base

1- part Polyurethane

Shelf Life

12 months from 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 +35 °C. Always refer to packaging.

Density

~1,40 kg/l

(ISO 1183-1)

Technical Information

Shore Hardness

~25 (after 28 days)

(ISO 868)

Secant Tensile Modulus

~0,30 N/mm2  at 100 % elongation (23 °C)

(ISO 8339)

~0,45 N/mm2  at 100 % elongation (−20 °C)

 

Elastic Recovery

~85 %

(ISO 7389)

Tear Propagation Resistance

~5,0 N/mm

(ISO 34)

Movement Capability

±25 %

(ISO 9047)

±35 % (ASTM C 719)

Resistance to Fire

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

Service Temperature

−40 °C to + 70 °C

Joint Design

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

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