High-performance dual-adhesive double coated tape combining acrylic and silicone adhesives on a clear polyester carrier, ideal for silicone material bonding, gasketing, and specialized industrial applications with exceptional temperature and chemical resistance.
3M™ Double Coated Tape 9731 is a high-performance adhesive tape specifically engineered for demanding applications involving silicone materials and elastomers. This innovative tape features a unique combination of acrylic and silicone adhesives applied to both sides of a 1 mil clear polyester film (PET) carrier. The face side is coated with 3M™ Adhesive 350, a high-performance acrylic adhesive that provides exceptional adhesion to a wide variety of materials, while the back side features a specialized silicone adhesive that bonds excellently to silicone substrates. This dual-adhesive design makes it ideal for applications where silicone rubber elastomers and foam must be securely attached to various surfaces.
The tape measures 16 inches in width and 108 yards in length with an overall thickness of 5.5 mil, providing substantial coverage for industrial applications. It features dual liners - a 58# polycoated kraft paper (PCK) liner on the acrylic side and a 3 mil polyester film (PET) liner on the silicone side - both of which provide reliable release characteristics and protect the tape from humidity extremes. The thin polyester carrier provides excellent dimensional stability while maintaining ease of die-cutting and lamination capabilities, making it suitable for both manual and automated dispensing systems.
This versatile tape excels in specialized applications including gasketing, filters, silicone foams, and rubber component assembly. It delivers exceptional temperature and chemical resistance with maximum operating temperatures up to 250°F (121°C) and minimum operating temperatures down to -40°F (-40°C). The combination of high adhesion, solvent resistance, holding power, and UV resistance makes this tape an excellent choice for aerospace, automotive, electronics, medical device manufacturing, and general industrial applications where reliability and performance are critical requirements.
Key Features
- Dual-adhesive design with acrylic on face side and silicone on back side for specialized bonding applications
- 3M™ Adhesive 350 provides exceptional temperature and chemical resistance up to 250°F (121°C)
- Silicone adhesive bonds excellently to silicone rubber elastomers, foam, and LSE/HSE materials
- Clear 1 mil polyester film (PET) carrier offers dimensional stability with easy die-cutting and lamination
- Double lined with 58# polycoated kraft paper and 3 mil PET liner for reliable release and humidity protection
- Excellent solvent resistance, high holding power, and outstanding UV resistance
- Ideal for gasketing, filters, silicone foams, printer cartridge refurbishing, and silicone keypad attachment
- Operates reliably from -40°F (-40°C) to 250°F (121°C) for demanding industrial environments
- Suitable for manual application or automated dispensing systems
- Instant adhesion enables quick application and process efficiency
Technical Specifications
| Specification |
Value |
| Product Number | 9731 |
| Overall Width (Imperial) | 16 inches |
| Overall Width (Metric) | 406.4 mm |
| Overall Length (Imperial) | 108 yards |
| Overall Length (Metric) | 98.75 meters |
| Overall Thickness | 5.5 mil (0.14 mm) |
| Carrier Material | Polyester Film (PET) |
| Carrier Thickness | 1 mil (0.025 mm) |
| Face Side Adhesive Type | High Performance Acrylic Adhesive 350 |
| Face Side Adhesive Thickness | 1.6 mil (0.041 mm) |
| Back Side Adhesive Type | Silicone |
| Back Side Adhesive Thickness | 2.9 mil (0.07 mm) |
| Primary Liner | 58# Polycoated Kraft Paper (PCK), Tan, 4.2 mil (0.17 mm) |
| Secondary Liner | Polyester Film (PET), Transparent, 2.9 mil (0.07 mm) |
| Product Color | Transparent/Clear |
| Maximum Operating Temperature | 250°F (121°C) |
| Minimum Operating Temperature | -40°F (-40°C) |
| Core Size | 3 inches (76.2 mm) |
| Product Form | Roll |
| Units per Case | 1 Roll |
| Tape Type | Double Coated |
| Shelf Life | 18 months from date of manufacture |
| Indoor/Outdoor | Both |
| UPC | 00051138960728 |
| 3M ID | 7010312101 |
| Industries | Aerospace, Appliance, Automotive, Electronics, General Industrial, Medical, Metalworking, Military & Government, Oil & Gas, Signage, Transportation |
| Recommended Applications | Gasketing, Filters, Silicone foams and rubber, Silicone keypad attachment, Printer toner cartridge refurbishing |
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