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Sikasil®-670 Fire is a fire rated, 1-component, moisture-curing, low-modulus elastic joint sealant.
Verified performance data for Sikasil®-670 Fire, taken directly from the Sika Pakistan Product Data Sheet.
| Chemical Base | Neutral cure silicone |
|---|---|
| Colour | White, grey, black |
| Density | ~1.35 kg/l (ISO 1183–1) |
| Shore A Hardness | ~20 (after 28 d) (ISO 868) Secant Tensile Modulus ~0.30 N/mm 2 at 100 % elongation (23 °C) (ISO 8339) |
| Elongation at Break | ~650 % (ISO 37) |
| Movement Capability | ± 25 % (ISO 9047) ± 35 % (ASTM C 719) Elastic Recovery ~70 % (ISO 7389) Tear Propagation Resistance |
| Service Temperature | −40 °C min. / +150 °C max. Joint Design The joint width must be designed to suit the joint movement required and the movement capability of the sealant. The joint width shall be ≥ 10 mm and ≤ 40 mm. The joint depth shall |
| Consumption | Joint width [mm]Joint depth [mm]Joint length [m] per 600 ml foil pack 10106 15104 20103 25122 30151.3 |
| Sag Flow | ~2 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 Backing Material Use polyethylene foam backing rods. |
| Curing Rate | ~2 mm/24 hours (23 °C / 50 % r.h.) (CQP 049–2) |
| Skin Time | ~25 min (23 °C / 50 % r.h.) (CQP 019–1) Tooling Time ~20 min (23 °C / 50 % r.h.) (CQP 019–2) |
| Standards | EN 15651–1 F EXT-INT CC 25 LM; EN 15651–4 PW INT; ISO 11600 F 25 LM & G 25 LM; ASTM C 920, class 35; EN 1366–4 assessment report; ETA (ETAG 026); UL listing (UL 2079); EN 13501–2 classification report; EN 140–3 |
Source: Sika Pakistan Product Data Sheet, Sikasil®-670 Fire (December 2022, Version 04.02).
600 ml foil pack, 20 foil packs per box 300 ml cartridge, 12 cartridges per box
Sikasil®-670 Fire shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between +5 °C and +25 °C.
Sikasil®-670 Fire has a shelf life of 12 months from the date of production, if it is stored in undamaged, original, sealed packaging, and if the storage conditions are met.
Follow the official Sika Technical Data Sheet for full application details.
More data sheets in Sealing & Bonding
Sikasil®-670 Fire is a fire rated, 1-component, moisture-curing, low-modulus elastic joint sealant.
600 ml foil pack, 20 foil packs per box 300 ml cartridge, 12 cartridges per box
Sikasil®-670 Fire has a shelf life of 12 months from the date of production, if it is stored in undamaged, original, sealed packaging, and if the storage conditions are met. Sikasil®-670 Fire shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between +5 °C and +25 °C.
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