3M 665

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Description for 3M 665

Double coated tapes that is ideal for applications where one or both parts need to be repositioned or removed easily.

Chemical Resistance	Chemical Resistance: Good
Application Type	Bond, Removable/changeable foam gasketing
1 Part or 2 Part	1-Part
Material Form	Double coated Tape
Substrate	Paper, Plastic, Steel, Foam, Cardboard
Industry	Foils, Point of purchase displays
Manufacturer	3M
Chemistry	Plastic
Cure Method	Pressure Sensitive
Application Temperature (°F)	70 to 100
Color	Clear
High Temperature Resistance (°C)	52

Best Practices for 3M 665

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Technical Data for 3M 665

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Overview

Chemical Resistance
- Chemical Resistance : Relative Solvent Resistance - Good
Application Type
- Gasketing - Removable/changeable foam gasketing
- Adhesive - Bond
1 Part or 2 Part
- 1-Part
Material Form
- Tape - Double coated Tape
Substrate
- Foam
- Steel
- Plastic
- Paper - Cardboard
Industry
- Displays - Point of purchase displays
- Electronics - Foils
- Industrial
- Packaging - Plastic Packaging, Temporary hold for protective packaging material, such as foam or cardboard, used during shipment of manufactured goods
- Other - Reclosable bags or envelopes, Core starting and end tabbing of papers, foils, and films, Removable stickers and labels, Book inserts, Mounting promotional items, Removable/changeable advertisements
Chemistry
- Other - Plastic
Application Method
- Dispenser - Simplify manual or automatic dispensing
- Contact
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Clear / Transparent - Clear

Specifications

Cure Specs

Application Temperature (°F)	70 to 100

Bond Strength

Peel Strength (piw)	25 (oz./in.), 23 (oz./in.)	Test Method

Material Resistance

UV Resistance	Excellent
High Temperature Resistance (°C)	52

Business Information

Shelf Life Details	Storage: Store in original cartons at 70°F (21°C) and 50% relative humidity., If stored under proper conditions, these products retain their performance and properties for two years from date of manufacture.
Shelf Life Temperature (°F)	70
Shelf Life Type	From date of manufacture.
Shelf Life (mon)	24

Best Practices for 3M 665

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1. Surface Preparation
  
  To obtain optimum adhesion, the bonding surfaces must be clean, dry and well unified. Some typical surface cleaning solvents are isopropyl alcohol or heptane.
  
  Note: Carefully read and follow the manufacturer's precautions and directions for use when using solvents.
2. Application
  
  Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure helps develop better adhesive contact and improve bond strength.
  
  Initial tape application to surfaces at temperatures below 50°F (10°C) is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory. An exception is 3M™ Repositionable Tapes 9425 and 9425HT which can be applied at temperature as low as 32°F (0°C).
Comparable Materials for 3M 665

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Spec Engine^® Results
- 9703(3M)
  Electrically Conductive Adhesive • Pressure sensitive adhesive • electrically conductive and offers good adhesion to common PCB substrates such as copper, gold, FR-4 epoxy, DuPont™ Kapton™ polyimide and polyester films •
- 9415PC(3M)
  Ideal for applications where one or both parts need to be repositioned or removed easily.
- 467MP(3M)
  Excellent resistance to harsh environments, this adhesive can withstand splashes of organic solvents, weak acids and bases and salt water, cleaning solutions, germicidals, disinfectants, oils, etc. In addition, it performs well after exposure to humidity and hot/cold cycles.
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