Pyrok 9142 is a two-component water-borne adhesive developed for bonding applications in aerospace and mass transit interiors.

Formulated for good fire, smoke and toxicity performance, Pyrok 9142 is heat reactive and suits large surface areas such as train and bus floors, or curved three-dimensional profiles.

Specifications

Base material	Polyurethane
Consistency	Liquid
Colour	White; transparent when dry
Curing system	Evaporation and cross-linking with Activator 420
Mix ratio	3–5% of Activator 420
Density	1.1 g/ml
Dry time	30–35 min
Solids content	50%
Pot life	8 hrs
Peel strength	300 N/25mm²
Reactive time	8 hrs
Viscosity (C&P @ 0.6 s⁻¹)	0.05–0.1 Pa.s
Pack sizes	1 litre tin; 5 litre tin
Shelf life	6 months unopened, stored cool and dry at +15 °C to +25 °C

Values may vary depending on environmental factors such as temperature, moisture and type of substrate.

How to use

• Apply by spray gun, brush or roller
• Application temperature: +55 °C to +70 °C
• Flush spray equipment after each use (or daily) with soapy water
• Remove excess with Formoa Clean-up Wipes
• Can be coated with many paints and varnishes; a compatibility test is strongly recommended
• Run preliminary compatibility tests on plastics such as polycarbonate
• Not for use as a glazing sealant

Typical applications

• Bonding vinyl floor coverings, leather, composite leather and fabrics in aerospace, bus, coach, rail and automotive industries
• Bonding leather, fabric, PVC, polyurethane and rubber to aluminium, wood, GRP, honeycomb and faced plywood