Usable in high-temperatures of 300 °C 572 °F vacuum, The leakage of FV-BR1 is still less than a very slight 1.33 × 10–10 Pa · m3 /s [He], so that it can be used in vacuums with confidence.
The Panasonic Fibers , Retroreflective Type Fibers Part Number :
FD-H30-L32V, FT-H30-M1V, FT-H30-M1V-S, FV-BR1, FD-H30-L32V-S, FD-H30-KZ1V, FD-H30-KZ1V-S
