Astroflame Passive Fire Protection Products

Trade Name Astro FR-EC Economy Foam

Fire Rated Foam.

Ready to use PU foam in a 750ml can.

Fire retardant up to 240 minutes.

Tested to BS 476:Part 20, EN1366-4.

Efficient seal against smoke and gas.

Excellent adhesion on most construction substrates.

High bonding strength.

Very good filling characteristics.

Excellent stability: no shrink or post expansion.

Cured foam can be overpainted.

Fire Rated, self-expanding foam. Up to 4 hrs fire protection at Astroflame.

View a range of styles

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>> Call us to order: 01329 844 500

>> Email us to order:


Note: This product is fire rated but is not intumescent.

A one-component, self-expanding, ready to use polyurethane foam that uses 'green' propellants, harmless to the ozone layer and without greenhouse gas effects. It has a fire rating of up to 240 minutes (tested according EN1366-4).

Typical uses include:
Fire retardant installation of window- and doorframes.
Fire- and smoke retardant sealing of connections between partition walls, ceilings and floors
Filling of cavities

Use for all applications where fire retardant characteristics are required or desirable such as:
· sealing of all openings in roof constructions
· sealing of cable- and pipe penetrations
· bonding of insulation materials
· application of sound-deadening layers
· improving thermal insulation

Properties & Specification




Stable foam

Curing system


Skin formation - (20℃/65% R.H.)

Ca 8 minutes

Drying time - (20℃/65% R.H.)

Tackfree after 25min.

Curing rate - (20℃/65% R.H.)

2 hr for a 30 mm bead


1000 ml yields 25-40 Lcured foam when extruded in beads






Light Red

Cellular structure

>70% closed cells

Specific gravity

Ca. 25 kg/m3 extruded, fully cured

Temperature resistance

-40℃ to +90℃ when cured

Product Availability

Sold in 750 ml pressurised canisters individually or boxes of 12.
Shelf life is 9 months in unopened packaging in a cool and dry storage place at temperatures between +5°C and +25

Product Code

Product Description



Astro FR-EC Economy Foam


To Order & Specify

Please contact us and quote the following - Quantity / Product Code / Product Description / sizes
Typical example:- 10 / AFFRECFOAM / Astro LST Mastic / 310ml

>> Tel: 01329 844 500 or >> Email:


Shake the aerosol can for at least 20 seconds.
Moisten surfaces with a water sprayer prior to application.
Fill holes and cavities for 65 %, as the foam will expand.

Repeat shaking regularly during application.
If you have to work in layers repeat moistening after each layer.

Fresh foam can be removed using Soudal Foamcleaner or acetone. Cured foam can only be removed mechanically.

Working temperature 5°C to 40°C. (20°C-25°C recommended)

Cured PU-foam must be protected from UV radiation by painting or applying a top layer of sealant (silicone, MS Polymer, acrylic and PU sealant)

Fire Test or Assessment Reports

· Test Report 9279 – University Ghent to NBN 713.020, EN 1366-4.
· BS 476:Part 20 – Warrington Fire Research Report 113610.
· France : CSTB Rapport D’Essai RS00-067.
· Italy : CSI Report 1125RF.
· Australia WFRA Report 45717 to AS1530.4 and AS 4072.1.
· Various applications with fire doors.
· Various Applications in combination with sealants.

Test Results: Test Report 9297C - University of Ghent*

Wall Thickness

Joint Dimensions

Backing Material

Flame resistance in minutes


Width: 11mm
Depth: 200mm


229 min
Fire Rating EI 180


Width: 41mm
Depth: 200mm


110 min
Fire Rating EI 90


Width: 30mm
Depth: 100mm


50 min
Fire Rating EI 45


Width: 10mm
Depth: 100mm


103 min
Fire Rating EI 90

Test Results: Test Report 13492 - University of Ghent*

Wall Thickness

Joint Dimensions

Backing Material

Flame resistance in minutes


Width: 10mm
Depth: 200mm


240 min
Fire Rating EI 240


Width: 30mm
Depth: 200mm


158 min
Fire Rating EI 120


For further information on installation requirements please contact the technical team on: tel 01329 844 500
or email

Health and Safety

The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information on health and safety requirements please contact the technical team on: tel 01329 844 500 or email


Astroflame (Fire Seals) Ltd. Intumescent House
Unit 8, The IO Centre, Stephenson Road, Segensworth
tel 0800 023 2482
(01329 844500)
fax 0800 023 2483
(01329 844600)
tel +44 1329 844500
fax +44 1329 844600



Email Astroflame