3M printed circuit board User Manual
Application Profile
3M Industrial Tape and
Specialties Division
Specialties Division
Market: Electronic
Account Type: Printed Circuit Board Assembly
Account Type: Printed Circuit Board Assembly
PRODUCT
3M
™
VHB
™
(Very High Bond)
4932, 4936 and 4941 Tapes
REGION
North America
SIC
3672 – Printed Circuit Boards
3571 – Electronic Computers
3571 – Electronic Computers
Application Description
Bonding and protecting through-hole components in the printed circuit board
assembly operation.
assembly operation.
Application Method
For best results, clean the surface first with mix of isopropyl alcohol
and water (50/50 mix). Apply the tape by hand. Note: Follow the solvent
manufacturer’s precautions and directions for use when handling solvents.
and water (50/50 mix). Apply the tape by hand. Note: Follow the solvent
manufacturer’s precautions and directions for use when handling solvents.
Key Application Requirements
Ability to absorb and damp vibrational energy, and withstands
IR reflow temperatures.
IR reflow temperatures.
Benefits/Advantages To Customer
Shock resistant: 3M
™
VHB
™
Tapes have the ability to absorb energy during
impact which can help protect component leads.
Vibration resistant: The energy absorbing 3M VHB tapes can help prevent
fatigue failure of the solder connection in many high vibration environments.
fatigue failure of the solder connection in many high vibration environments.
Resistant to Freon
®
cleaning: 3M VHB tapes have excellent solvent
resistance and can maintain a bond through harsh conditions of most
Freon cleaning operations.
Freon cleaning operations.
Resistance to temperature extremes and thermal shock: 3M VHB tapes offer
excellent temperature performance in many demanding applications in
temperature extremes. 3M VHB tapes have passed thermal shock tests of
hourly cycles from -40° C to 150° C for 1000 hours. These tapes can also
tolerate most IR reflow process conditions.
excellent temperature performance in many demanding applications in
temperature extremes. 3M VHB tapes have passed thermal shock tests of
hourly cycles from -40° C to 150° C for 1000 hours. These tapes can also
tolerate most IR reflow process conditions.
Compatible with conformal coating: Components bonded in place with 3M
VHB tapes can be conformal coated without adverse degradation of the tape’s
adhesive and physical properties during the process.
VHB tapes can be conformal coated without adverse degradation of the tape’s
adhesive and physical properties during the process.
Die-cuttable: 3M VHB tapes are easily die-cut to many specific shapes for
ease of handling during the assembly process.
ease of handling during the assembly process.