Sealant for underground and tunnel services
FR-1042 is a halogen free, polymer emulsion based sealant that swells when subjected to temperatures in excess of 125 °C and forms a char coat that restricts the passage of smoke and fire.
It is specifically formulated to exceed the requirements of London Underground standard 1-085 issue no. A2. for use in limited and dispersed quantities(see below).
It is easily applied and dries to a flexible and smooth surfaced material which is readily over paintable. It has excellent adhesion to a wide range of substrates and will not harden or crack with age.
FR-1042
Intumescent & Acoustic
Acrylic Sealant
APPLICATIONS
FR-1042 FR acrylic forms a fire and smoke seal in joints up to 35mm wide without slumping. It is ideal for sealing joints in and around internal partitions, lap joints in fire-rated cladding and for sealing between fire doors and fire-rated walls. It is recommended that a sealant depth of at least 15mm be applied.
If the sealant is to be overpainted, building regulations may require a fire resistant coating.
TESTED TO
‧BS 476 pat 20:1987 4hrs
‧BS 6853. 1999 Annex B1 Toxic gas emission
‧BS EN 1366-3:2004
‧BS 6853. 1999 Annex D.8.3 Smoke emission
‧BS EN 1366-3:2006
‧BS ISO 4589-2 Oxygen index
‧BS EN ISO 140-3 1995
‧Salford test for plaster board STC 55db
TECHNICAL DETAILS
Movement Accommodation: ±15%
Skinning Time: 15mins to 1 hour depending on conditions.
Cure Time: 5 to 15days for 15mm x 20mm bead.
Hardness Shore A: 25 -30
Temperature Resistance: -20℃ to +70℃
Paintability: With most paints.
Application Temperature: +5℃ to 40℃
Cleaning: Uncured sealant with water.
Shelf Life: min. 12months when stored in unopened
containers as recommended.
Specific Gravity: 1.62 - 1.66