3M™ Polyimide Tape 8998 is a dark amber colored polyimide tape with a silicone adhesive meant to withstand heat during high-temperature masking operations. It offers excellent thermal, chemical and abrasion resistance. It seals tight on contact and peels off clean at up to 500°F/260°C.
| Adhesive Type | Silicone | |||
| Back-Side Adhesive Thickness (metric) | 0.05 mm | |||
| Backing (Carrier) Material | Polyimide Film | |||
| Backing (Carrier) Thickness (Metric) | 0.05 mm | |||
| Brands | 3M | |||
| Clean Removal | Yes | |||
| Core Size (Metric) | 76.2 mm | |||
| Elongation at Break | 49% | |||
| Indoor/Outdoor | Indoor | |||
| Industries | General Industrial, Metalworking | |||
| Maximum Operating Temperature (Celsius) | 260 ℃ | |||
| Number of Adhesive Sides | Single-sided | |||
| Overall Length (Metric) | 32.91 Meter | |||
| Overall Thickness (Metric) | 0.085 mm | |||
| Overall Width (Metric) | 101.6 mm | |||
| Product Color | Dark Amber | |||
| Product Form | Roll | |||
| Shelf Life | 24 Month | |||
| Substrate | Metal | |||
| Tensile Strength (Metric) | 96 N/cm |