3M Electronic Specialty SFTW-203-3/8-48-Black Type: Tubing Color: Black Minimum Shrink Temperature: + 100 C Shrink Ratio: 3 Chemical Resistant: Yes Flammability Rating: Flame Retardant Maximum Temperature: + 135 C Operating Temperature Range: - 55 C to + 135 C Series: SFTW-203 Part # Aliases: 71240356656 TE100045158