Tectyl™ 5660W FR

Premium water based, Fire Resistance Sound Damping underbody coating

Tectyl™ 5660W FR is a high non-volatile, filled, waterborne, thixotropic, quick drying, fire resistance corrosion preventive compound.
Tectyl™ 5660W FR is developed as an abrasion resistant, sound damping underbody coating for buses, truck cabins, trains and trams where EN 45545 HL2 classification is required. It is also suitable for complete undercoating of containers, trailers, etc.
Tectyl™ 5660W FR cures to a dark-grey, colored, abrasion resistant, resilient and tough film.
Tectyl™ 5660W FR is highly effective in reducing vibrational resonance conditions in structures such as sheet metal panels, floor housings, stainless sinks, and a multitude of other applications.
Tectyl™ 5660W FR will dissipate structure-borne vibrational energy and reduces radiated air-borne noise. Tectyl™ 5660W FR is water based, non-toxic, non-flammable, and odorless and exhibits exceptional aging characteristics.

Data sheet
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Recommended Dry Film Thickness
over metal profile
1,500 - 2,000 µm
Weathering resistance
PASS (ISO 4892-3)
min. 2,000 hours
Salt Spray
Salt Spray; 5 % NaCl @ 35°C; ISO 9227 NSS (Q-Panels, Type R, ASTM A1008)
min. 42 days
Humidity
Humidity; 100 % RH; @ 40°C; ISO 6270-2 CH (Q-Panels, Type R, ASTM A1008)
min. 100 days
Stone Chipping Resistance @ 500 µm
Erichsen VDA 508
min. 20kg
Density @ 20°C
1.35 kg/ltr
Theoretical coverage
@ Recommended dry film thickness
0.33 - 0.44 sqm/ltr
Viscosity (Brookfield @ 20°C)
@ 20 RPM
55,000 mPa·s (cP)
Non volatile weight
66%
Dry to Touch @ 20°C
240 - 300 minutes
pH @ 20°C
8.8
Cure Time @ 20°C
24 hours
Storage temperature
10 - 35°C
VOC Content ISO 11890–2 (10.4)
1 g/ltr