Benefits
Excellent Silicone Bonding Performance
3M™ 9731-100 is specifically designed for bonding silicone materials that are difficult to bond with conventional adhesives.
Suitable for:
- Silicone rubber
- Silicone foam
- Silicone sheets
- Silicone gaskets
- Silicone seals
High Temperature Reliability
The silicone adhesive system provides stable performance in high-temperature environments, making it suitable for applications involving heat exposure.
Bonding to Low Surface Energy Materials
Compared with standard acrylic tapes, 3M™ 9731-100 provides improved adhesion to challenging substrates.
Long-Term Durability
Provides excellent resistance against:
- Heat aging
- Humidity
- UV exposure
- Chemicals
- Environmental changes
Precision Converting Capability
The PET carrier provides dimensional stability for:
- Die-cut gaskets
- Electronic adhesive parts
- Medical device components
- Custom bonding solutions
Technical Specifications
| Property | Specification |
|---|---|
| Product Name | 3M™ 9731-100 Silicone Double Sided Tape |
| Tape Type | Double-Sided Silicone Adhesive Tape |
| Adhesive Type | Silicone Adhesive |
| Carrier | Polyester (PET) Film |
| Color | Transparent |
| Total Thickness | Approx. 0.10 mm |
| Adhesive System | Silicone/Silicone |
| Temperature Resistance | High |
| Adhesion | Excellent on silicone surfaces |
| Moisture Resistance | Excellent |
| Chemical Resistance | Excellent |
| Processing | Die-Cutting / Laminating / Slitting |
Specifications may vary depending on application and product construction. Please refer to the latest 3M technical data sheet for exact values.
Applications
Medical Devices
- Silicone medical components
- Wearable medical devices
- Sensor attachment
- Skin-contact device assembly
- Medical tubing fixation
Electronics
- Silicone component bonding
- Flexible electronic assembly
- Sensor module fixing
- Heat-resistant component attachment
Automotive
- Silicone gasket bonding
- Sealing component assembly
- Interior component fixing
- Vibration isolation parts
Industrial Applications
- Silicone rubber bonding
- Sealing strips
- Rubber component assembly
- Custom adhesive gaskets
Compatible Materials
| Material | Application |
|---|---|
| Silicone Rubber | Primary bonding application |
| Silicone Foam | Cushioning and sealing |
| Silicone Sheet | Component attachment |
| EPDM Rubber | Sealing applications |
| PET Film | Lamination |
| Polyimide Film | High-temperature insulation |
| Glass | Sensor/device assembly |
| Metal | Component mounting |
| Plastic | Industrial assembly |
Industries
- Medical Device Manufacturing
- Wearable Electronics
- Consumer Electronics
- Automotive
- Aerospace
- Industrial Equipment
- Semiconductor Equipment
- Precision Manufacturing
Why Choose 3M™ 9731-100?
- Designed specifically for silicone bonding
- Excellent high-temperature performance
- Strong adhesion to difficult substrates
- Silicone adhesive provides long-term stability
- Thin PET carrier improves dimensional control
- Excellent for precision die-cut components
- Suitable for demanding industrial applications
Guangdong Yousan provides:
✅ Custom die-cut silicone adhesive solutions
✅ High-precision adhesive components
✅ Multi-layer lamination
✅ OEM production support
✅ Prototype and mass production capability
Installation Guide
- Clean bonding surfaces to remove dust, oil, and contaminants.
- Use appropriate surface treatment if required.
- Ensure surfaces are dry before application.
- Apply tape without stretching.
- Apply uniform pressure to improve adhesive contact.
- Allow sufficient dwell time before applying load.
- Validate performance under actual operating conditions.
Storage
Recommended storage conditions:
- Temperature: 15–25°C
- Relative Humidity: 40–60% RH
- Keep original packaging sealed
- Avoid direct sunlight
- Protect from moisture and contamination
- Store rolls horizontally
- Follow FIFO inventory management
FAQ
What is 3M™ 9731-100 used for?
3M™ 9731-100 is mainly used for bonding silicone rubber, silicone foam, medical components, seals, gaskets, and high-temperature parts.
Why is silicone adhesive different from acrylic adhesive?
Silicone adhesive provides better performance on:
- Silicone materials
- Low surface energy substrates
- High-temperature environments
Acrylic adhesives generally provide stronger bonding on metals and plastics but are less effective on silicone surfaces.
Can 3M™ 9731-100 bond silicone rubber?
Yes. It is specifically designed for silicone-to-silicone and silicone-related bonding applications.
Can 3M™ 9731-100 be die-cut?
Yes. The PET carrier provides excellent dimensional stability for precision die-cut adhesive parts.
Is 3M™ 9731-100 suitable for medical applications?
It is commonly used in medical device assembly; however, suitability depends on the specific medical application and regulatory requirements.
Downloads
Available upon request:
- 3M™ 9731-100 Technical Data Sheet (TDS)
- Safety Data Sheet (SDS)
- Product Brochure
- Precision Die-Cutting Capability Guide
Please contact our sales team if you require the latest technical documentation.
