3M 665

Harmonization Code : 3907.30.00.40 | Epoxy Mold Compounds containing by weight more than 70 % silicon dioxide

3M 665

Main features

  • Linerless Manual or Automated Dispensing
  • Repositionable Mounting with Clean Removal
  • Hot-Wire Cuttable Plastic Construction

Product Description

3M Removable Repositionable Tape 665 is a linerless, clear double-coated tape for light-duty bonding where parts need to be repositioned or removed. It combines Acrylic Adhesive 400 on the face side with Repositionable Acrylic Adhesive 1070 on the backside of a 0.036 mm UPVC film carrier. The linerless construction simplifies manual or automatic dispensing, while the carrier permits one-piece tape removal from many surfaces. Its all-plastic construction can also be hot-wire cut for foam and plastic packaging, giving the tape a practical processing option for temporary and changeable mounting assemblies.

Key features

  • Linerless dispensing: Tape 665 needs no liner-removal step, simplifying manual or automatic dispensing.
  • Differential acrylic adhesion: Adhesive 400 and Adhesive 1070 provide a higher-tack face with a repositionable backside for removable mounting.
  • Hot-wire cuttable carrier: The all-plastic UPVC construction is hot-wire cuttable for foam and plastic packaging.

Applications

Applications include reclosable bags and envelopes, removable labels, point-of-purchase displays, temporary protective packaging, and repositionable foam gaskets.

Product Family

3M 665

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Color
The color
clear
Release Liner
A paper or plastic-based film sheet used to prevent a sticky surface from prematurely adhering
none
Total Thickness
Total thickness is taking into account all the films, coatings, adhesives, release liners and special layers and is the maximum thickness of a film or tape.
89 μm
Mechanical Properties
Adhesion Strength
Adhesion is the bond strength measurement of a coating to a substrate. When an adhesive is bonded to an item or surface, numerous physical, mechanical and chemical forces come into play, which may have an effect on each other.
25 Oz/in
Thermal Properties
Operating Temperature
52 °C

Additional Information

Technical properties

As-supplied / before-processing properties

PropertyValueUnitMethod / condition
Faceside adhesive3M Acrylic Adhesive 400Interior of roll
Backside adhesive3M Repositionable Acrylic Adhesive 1070Exterior of roll
Carrier materialUPVCAs supplied
Carrier thickness0.036mmAs supplied
Tape thickness0.089mmTypical
Release linerNoneLinerless construction
Tape colorClearAs supplied
Technical properties

After-processing / final-state properties

PropertyValueUnitMethod / condition
Faceside adhesion to steel27N/100 mmTypical; ASTM D3330 modified; 180 deg peel; 72-hour dwell
Backside adhesion to steel25N/100 mmTypical; ASTM D3330 modified; 180 deg peel; 72-hour dwell
Relative high-temperature operating range52deg CTypical
Relative solvent resistanceGoodTypical
UV resistanceExcellentTypical

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