Premium double-coated polyester tape with rubber-based adhesive for semiconductor CMP applications, offering fast bonding and clean removal from platens and polishing pads.
3M™ Double Coated Polyester Tape 442KW is a premium double-sided adhesive tape specifically engineered for semiconductor chemical mechanical planarization (CMP) applications. This specialized tape features a rubber-based adhesive system (3M™ Adhesive 830) that provides fast, reliable bonding strength while ensuring clean removal from platens and polishing pads. The tape consists of a thin polyester (PET) film carrier with natural rubber adhesive applied on both sides, making it ideal for laminating polishing pads to platens in semiconductor manufacturing environments.
The 442KW tape measures 2 inches in width and 36 yards in length, with a total thickness of 12.5 mil (0.318 mm) without the liner. The polycoated paper release liner provides excellent dimensional stability and facilitates fast, efficient conversion and application. The adhesive system combines superior adhesion, temperature performance, and solvent resistance, making it suitable for a wide range of substrates including fabric, film, foil, and paper. Beyond semiconductor CMP applications, this tape is also applicable for polishing pad attachment in HDD (Hard Disk Drive) and glass manufacturing processes.
With a shelf life of 18 months and operating temperature range of 50°F to 100°F (10°C to 38°C), the 3M™ Double Coated Polyester Tape 442KW delivers consistent performance in controlled manufacturing environments. The natural rubber adhesive ensures clean removal from many surfaces without residue, making it an excellent choice for precision manufacturing applications where pad adhesion and clean removal are critical requirements.
Key Features
- Double-sided natural rubber adhesive for reliable bonding strength
- Polyester film carrier ensures uniform application and dimensional stability
- Clean removal capability without residue from platens and surfaces
- Specifically formulated for semiconductor CMP, HDD, and glass manufacturing
- Solvent resistant with excellent temperature performance (50°F to 100°F operating range)
Technical Specifications
| Specification |
Value |
| Product Number | 442KW |
| Overall Width | 2 inches (50.8 mm) |
| Overall Length | 36 yards (32.918 m) |
| Overall Thickness | 12.5 mil (0.318 mm) |
| Total Tape Thickness without Liner | 4 mil (0.102 mm) |
| Backing Material | Polyester (PET) Film |
| Backing Thickness | 1 mil (0.025 mm) |
| Adhesive Type | Natural Rubber - 3M™ Adhesive 830 |
| Face Side Adhesive Thickness | 1.5 mil (0.038 mm) |
| Back Side Adhesive Thickness | 1.5 mil (0.038 mm) |
| Primary Liner | Polycoated Bleached Kraft Paper (White) |
| Primary Liner Thickness | 5.6 mil (0.142 mm) |
| Minimum Operating Temperature | 50°F (10°C) |
| Maximum Operating Temperature | 100°F (38°C) |
| Shelf Life | 18 months |
| Clean Removal | Yes |
| Indoor/Outdoor | Indoor |
| UV Resistant | No |
| Features | Dimensional Stability, Double-sided, High Shear Strength, Solvent Resistance |
| Applicable Substrates | Fabric, Film, Foil, Paper |
| Product Form | Roll |
| Units per Case | 1.0 |
| UPC | 00051111904916 |
| 3M ID | 7100205352 |
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