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3M VHB Tape 5952
Description

3M VHB™ Tape 5952 is a very conformable, double-sided, pressure-sensitive, closed-cell acrylic foam tape. Bonds high, medium and medium/low surface energy substrates and provides handling convenience, cushioning, damping, and impact resistance.

The exceptional performance of these tapes comes from the properties of the acrylic core. The core has the dual properties of behaving like a very viscous liquid and an elastic solid. This property is known as viscoelasticity. The 'visco' properties allow the adhesive to flow into the microscopic irregularities of the surface to form very strong bonds. The elastic properties allow these tapes to absorb dynamic loads, accommodate differential expansion between surfaces and help distribute loads over the greatest possible area. The elastic properties are maintained between -40°C and 90°C.

Key Features
  • No holes to drill, no riveting, no liquid adhesives to cure, no weld distortion, no clean up
  • Prevents corrosion by separating dissimilar metals. Is invisible and eliminates unsightly rivets, spot welds, screw-heads or nuts and bolts
  • Meets a wide range of holding requirements for tough applications involving glass, metals, woods, composites and many plastics
  • Damps vibration and reduces noise
  • Resists solvents and salt water. Seals and bonds even in extreme environments
  • Can compensate for thermal expansion and contraction of bonded parts
  • Distributes stress. Excellent for thin materials
  • Fast, clean and simple to apply
  • Reduces assembly costs
  • 1.1mm Black adhesive, grey core
Scope of Use
  • It is specifically designed for good adhesion to high, medium and lower surface energy plastics and paints, metals and glass
  • Applications for this tape include bonding and sealing polycarbonate lens over LCD, signage and windows to post-painted control panels
  • Damps vibration and reduces noise. Distributes stress
  • Resists solvents and salt water. Seals and bonds even in extreme environments
  • Can compensate for thermal expansion and contraction of bonded parts
  • Excellent for thin materials
Limitations on Use
  • Although laboratory tests have shown no degradation after 10 years submersion in salt water, VHB Tapes are not recommended for applications involving continuous submersion
  • When stored in the original cartons in cool dry conditions (ideal 20°C, 50% relative humidity) the shelf life is 24 months from date of manufacture
  • The elastic properties are maintained between -40°C and 90°C
In-Service History
  • An example of VHB Tape durability has been generated on the Bendix Automotive Proving Ground in Indiana, USA.

A full size semi-truck with a sleeper cab was constructed with all exterior panels and doors taped to an underlying frame with 4950 VHB Tape. After approximately 500,000km on the harsh durability track the VHB Tape bonds remained completely intact.

This is particularly impressive as some of the mechanically joined and welded parts failed and required repairs during the test program. Testing has revealed no apparent degradation of any VHB Tape when exposed to splash testing of most common solvents, including water, petrol, white spirits, motor oil, ammonia cleaner, acetone, methyl ethyl ketone (MEK) and isopropyl alcohol. 3M VHB Tape acts as a seal against moisture and helps to prevent galvanic corrosion between dissimilar metals.

Other Performance Attributes
  • Prevents corrosion by separating dissimilar metals
  • Resists solvents and salt water. Seals and bonds even in extreme environments
  •  The performance of VHB Tapes is not significantly affected by exposure to sunlight and harsh environments
  • Outdoor weathering decks in Florida (hot and moist, high UV), and Arizona (hot with high UV) and other locations around the world are used to collect data on the long term performance of these tapes. These harsh tests typically show 100% bond strength retention after 2-5 years

3M are a diversified technology company offering an innovative range of adhesive tapes, window films and glass finishes.

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