3M 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.
Property | Values |
---|---|
Backing | Polyimide |
Adhesive Type | Silicone |
Color | Black |
Backing Thickness | 0.051 mm |
Total Tape Thickness | 3.3 mil (0.085 mm) |
Total Tape Thickness | 0.085 mm |
Backing Thickness | 2 mil |
Tensile Strength | 96.3 N/cm |
180° Peel Adhesion | 2 N/cm (19 oz/in) |
180° Peel Adhesion | 19 oz/in |
Tensile Strength | 880 oz/in |
Elongation at Break | 49% |
Long Term Temperature Resistance | 260 °C (500 °F) |
Long Term Temperature Resistance | 500 °F |
Standard Roll Length | 33 m (36 yd) |
Standard Roll Length | 36 yd |
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