tesa HAF® 9402

125µm/4.9 mil amber reactive HAF mounting tape

Product description

tesa HAF® 9402 is a reactive heat activated film based on phenolic resin and nitrile rubber. This amber double sided tape has no backing. It is protected by a strong paper liner and can easily be slit and die cut.

At room temperature tesa HAF® 9402 is not tacky. It is activated by heat and starts to become tacky at 90 °C/194°F for pre-lamination. In a second application step heat and pressure is applied over a certain period of time.

After curing tesa HAF® 9402 reaches:

¹ Very high bonding strength
¹ High temperature resistance of up to 350°C/662 °F
¹ Excellent chemical resistance
¹ Resistance against oil and solvents
¹ Bonds remain flexible and elastic

Product details and specifications

Application Fields

It is suitable for bonding of all thermal resistant materials such as metal, glass, plastic, wood and textiles.

¹ Friction linings for clutch discs
¹ Friction linings for synchronizer rings

Adhesive Type	nitrile rubber / phenolic resin
Backing material	none
Color	amber
Liner Type	glassine
Total thickness	4.92 mils 125 µm

Adhesive Type	nitrile rubber / phenolic resin
Backing material	none
Color	amber
Liner Type	glassine
Total thickness	4.92 mils 125 µm

Bonding strength (push-out)	1740.45 lbs/in² 12 N/mm²
Bonding strength (dynamic shear)	1740.45 lbs/in² 12 N/mm²

Bonding strength (push-out)	1740.45 lbs/in² 12 N/mm²
Bonding strength (dynamic shear)	1740.45 lbs/in² 12 N/mm²

Processing:

1.Pre-lamination:
tesa HAF® 9402 is laminated before curing. For this process we recommend a temperature between 90°C/194°F and 140°C/284°F.

2. Bonding:
The bonding conditions temperature, pressure and time depend on the application. Following parameters can be regarded as a guideline:

Friction linings for synchronizer rings:

¹ Temperature: 180(356) – 230°C/446°F
¹ Pressure: > 6 bar
¹ Time: 3 min
3. Tempering (optional)
To reach maximum bonding strength the bonded parts can be tempered at 180(356) – 230°C/446°F for 30 - 60 min without pressure.

Bonding strength values were obtained under standard laboratory conditions. Value is guaranteed clearance limit checked with each production batch (Material: Etched aluminium test specimen / Bonding conditions: Temp. = 120 °C(248°F) p = 10 bar; t = 8
min)

To reach maximum bonding strength surfaces should be clean and dry. Storage conditions according to tesa HAF® shelf life concept.

tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All technical information and data above mentioned are provided to the best of our knowledge on the basis of our practical experience. They shall be considered as average values and are not appropriate for a specification. Therefore tesa SE can make no warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose. The user is responsible for determining whether the tesa® product is fit for a particular purpose and suitable for the user’s method of application. If you are in any doubt, our technical staff will be glad to support you.

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Product information_tesa HAF® 9402_en-US 65.2 kB

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Product comparison

Name of product	tesa HAF® 9402	tesa HAF® 8414 ACF	tesa HAF® 8412 ACF	tesa HAF® 8490	tesa HAF® 8401	tesa HAF® 8471	tesa HAF® 8400	tesa HAF® 58474	tesa HAF® 8474	tesa HAF® 8472	tesa HAF® 8405
Total thickness	125 µm		50 µm	315 µm	200 µm	30 µm	270 µm	100 µm	100 µm	60 µm	30 µm
Adhesive Type	nitrile rubber / phenolic resin	copolyamide	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin	nitrile rubber / phenolic resin
Backing material	none	none	none	cotton fabric	none	none	none	none	none	none	none
Color	amber	translucent	amber	amber	amber	amber	amber	black	amber	amber	amber
Activation temperature			120 °C
Bonding strength			4 N/mm²