tesa 4428 - High temperature masking tape for Electronics Industry

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PRODUCT DESCRIPTION 


Colour:  Amber

Roll Size:  6mm to 1000mm in 33 Metre Lengths

Adhesive:  Silicon

Description: Manufactured from commercial grade polyimide film with high performance silicone adhesive. Providing excellent protection for gold contacts of PCB during wave soldering and hot air levelling process. Also designed for uses in insulating coil at high temperature and for the applications of generator, capacitor, transformer and others. Excellent resistance to acid, oil, solvent & staining.

Application:

 High temperature masking medium in powder coating applications
 Masking of printed circuit boards during solder
 Splicing of high temperature films
 Tabbing ends of non-adhesive Kapton in field and armature coils

Technical Details:

Thickness:0.06mm
Breaking Load:53 N/cm
Adhesion to Steel:2.2 N/cm
Elongation at Break:60%
Dielectric Strength:7000 volts
90° Tack:1.1 N/cm
Service Temperature:0°C to 160°C
Storage Temperature:15°C to 25°C
Shelf Life:12 Months

 

Surface Preparation: The surface on which the tape is to be used must be clean, dry and free from grease and dust. Remember that pressure sensitive adhesive must be applied with the maximum possible pressure in order to achieve maximum adhesion levels. The recommended application temperature is between 15ºC and 25ºC.

Storage:  Tapes stored below the minimum application temperature will require warming up to that level before use. Up to 24 hours may be required for this to take place.

Note: The above figures represent average values. Actual figures can vary. The selection and

application of a tape is the responsibility of the buyer. Tape should be stored at room
temperature and should not be exposed to sunlight. We reserve the right to make changes
without notice to our products and specifications.

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