Sikasil®-670 Fire

Backing material

:

Use polyethylene foam backing rods.

Colour

:

Grey

Composition

:

Neutral cure silicone

Joint depth

:

shall be ≤ 20 mm

Joint distance

:

2 m | 4 m | 6 m | 8 m | 10 m

Joint width

:

shall be ≥ 10 mm and ≤ 40 mm

Min. joint depth

:

10 mm | 15 mm | 17 mm

Min. joint width

:

10 mm | 15 mm | 20 mm | 30 mm | 35 mm

Packaging

:

300 ml cartridge, 12 cartridges per box

Ambient air temperature

:

+5 °C min. / +40 °C max.

Curing rate

:

~2 mm/24 hours (23 °C / 50 % r.h.)

Density

:

~1.35 kg/l

Elastic recovery

:

~70 %

Fire resistance

:

Up to 4 hours fire resistance according to AS 1530.4 | Up to 4 hours fire resistance according to EN 1366-4

Movement capability

:

Movement capability of ± 35% (ASTM C 719), ± 25 % | ± 35 %

Neutral curing

:

Yes

Sag flow

:

~2 mm (20 mm profile, 50 °C)

Secant tensile modulus

:

~0.30 N/mm2 at 100 % elongation (23 °C) | ~0.50 N/mm2 at 100 % elongation (−20 °C)

Service temperature

:

−40 °C min. / +150 °C max.

Shelf life

:

12 months

Shore A hardness

:

~20 (after 28 d)

Skinning time

:

~25 min (23 °C / 50 % r.h.)

Storage conditions

:

Dry conditions, where it is protected from direct sunlight and at temperatures between +5 °C and +25 °C

Substrate temperature

:

+5 °C min. / +40 °C max., min. 3 °C above dew point temperature

Tear propagation resistance

:

~4.0 N/mm

Tooling time

:

~20 min (23 °C / 50 % r.h.)

Certification

:

AS 1530.4 assessment report | EN 1366-4 assessment report | 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 | ETA (ETAG 026) | UL listing (UL 2079) | EN 13501-2 classification report | EN 140-3