Heat Shrinkable Fiber Optic Splice Protector Features/Applications Made up by crosslinked polyolefin, hot fusion tubing stainless reinforcing steel rod . Keep optic transmission properties of optical fiber Provide strong protection to avoid any damages to the optical fiber during installation Operating Temperature -45℃ to 100 ℃ Shrinking temperature 90℃ to 110℃ Packing Standard : 100 pcs / b www.polymanheatshrink.com/