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TEF 221 M

Hot melt adhesive for tray forming applications. Suitable for short pressing.

Additional Downloads
MSDS
7. Carton sealing and closing (154 Kb)
Definitions
Hot MeltAdhesive which is applied at hot temperatures and sets up while cooling
Open timeTime between the moment the adhesive was applied and the moment it has no more tack (end of possible laying the covering)
TackAdhesive power to maintain together 2 materials. Tacky surface means sticky surface.

Uses

TEF 221 M is a 100 % solid hot-melt adhesive for tray forming applications. Suitable for cardboard with high spring back. Suitable for high-speed packaging lines.

Benefits

Very good wetting properties on standard cardboard
Good wetting properties on treated carton
Suitable for short pressing and high spring back
All ingredients are approved under the Federal regulation 175 105 & BGA (for incidental contact of adhesives with food)
Good thermal stability
Good tack
Good resistance to fridge low positive temperatures (from 0 to +5°C).
Suitable for application by nozzle (Nordson, Valco, Robatech, etc.)
Suitable for application by wheel (never exceed 180°C)

Properties

Physical:

Aspect: pellets
Colour: pale yellow
Thermosel Viscosity– spindle 21, 20 rpm at 170°C: 1300 - 2000 mPas
Softening point, Ring and Ball: approx. 103-111°C
Open time*: approx. 1 second
Setting time*: approx. 1 to 5 seconds

* Open and setting times are tested according to Bostik internal method. Open and setting times may vary depending on:

ambient temperature, temperature of the substrate, adhesive application temperature
coverage
nature and porosity of the substrate

Shelf life:

2 years in original unopened packaging, stored at ambient temperature. Keep away from humidity.

Application

Application temperature: 160–180°C. Application by nozzle or wheel (never exceed 180°C).

Packaging

Presentation	Bar code	Bostik code
bag - 25 kg		064030