Alpha Wire Tube, Shrink; 1/4 in. ID; 2:1 @ 121 degC; 250 Ft; Black FIT2211/4 BK003

Heat Shrink Tubing FIT® 221 is the most widely used general purpose heat-shrinkable tubing. It is flexible, flame-retardant, self-extinguishing and fungus-resistant. The tubing shrinks a minimum of 50% of supplied diameter at 121°C longitudinal shrinkage, ±5% (UL224). Operating Temperature: –55°C to +135°C. Tensile Strength: 1800 psi nominal. Colors Available: 1-Black, 2-Red, 3-White, 4-Clear*, 5-Yellow, 6-Green, and 7-Blue. Insert the color number where N appears in the stock number. FIT® 221 now is available in 50’ or 100’ spools where noted. These shorter length spools are perfect for on-site installation needs. The spool is easily stored on any rack. Preprinted instructions are located right on the spool. The spool is packaged in a clear bag. Available in black and clear. UL Standard 224, CSA Standard 198 MIL-I-23053/5B, AMS 3636 (Colors), AMS 3637 (Clear)