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tesa HAF® 8430

45µm amber reactive HAF mounting tape

Product description

tesa® HAF 8430 is a heat activated double-sided amber adhesive film based on reactive phenolic resin and nitrile rubber.

Special Features:
1 Reliable chip bonding
1 Suitable for PVC, ABS, PET and PC cards
1 Good workability on all common implanting lines
1 Outstanding ageing resistance
1 Lifelong flexibility due to high rubber content

Main applications

tesa® HAF 8430 is especially designed for the embedding of chip-modules into smart cards.

Additional Info

Technical recommendations for Smart Card applications:

tesa® HAF 8430 is not self adhesive. It is activated by heat and pressure over a certain interval. The following values are recommendations for machine parameters to start with. Please note that optimum parameters strongly depend on the type of machine, particular materials for card bodies and chip modules as well as customer requirements.

1. Pre-lamination:
During pre-lamination, the adhesive tape is laminated onto the module belt. The pre-lamination step does not affect the shelf life time of the adhesive tape. Pre-laminated belts can be stored over the same period of time as the adhesive tape.

Machine setting:
  • Temperature 120 – 140 °C
  • Pressure 2 – 3 bar
  • Time 2.5 m/min

2. Module embedding:
During module embedding, the pre-laminated modules are cut from the module belt, positioned into the card cavity and permanently bonded to the card body by heat and pressure. Depending on the type of implanting line, single-step or multiple-step process are possible. Today, most implanting machines have multiple heat press steps.

Single-step process - machine setting:
  • Temperature¹ 180 – 200 °C
  • Pressure 65 – 75 N/module
  • Time 1.5 s

Multiple-step process - machine setting:
  • Temperature¹ 180 – 200 °C
  • Pressure 65 – 75 N/module
  • Time 2 x 0.7 s / 3 x 0.5 s

¹ Temperature measured inside the heating stamp. Different temperature settings recommended for different card materials:

PVC and ABS: 180 – 190 °C

PET and PC: 190 – 200 °C

Bonding strength values were obtained under standard laboratory conditions. Value is specification limit checked for each production batch (material: etched aluminum test specimen / bonding conditions: Temp. = 120 °C; pressure = 10 bar; time = 8 min).

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

Technical properties

Shelf life time < 25°C

12 months

Bonding strength

12 N/mm²

Type of adhesive

nitrile rubber / phenolic resin

Shelf life time < 15°C

15 months

Type of liner


Shelf life time < 5°C

18 months

Total thickness

45 µm

Backing material




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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