1． Optical Fiber:
Core Material：Polymety l - Methacrylate Resin
Cladding Material：Fluorinated Polymer
Core Refractive Index：1.49
Refractive Index Profile：Step Index
Numerical Aperture：0.5
Core Diameter：Min.920μm；Typ.980μm；Max.1040μm
Cladding Diameter：Min.940μm；Typ.1000μm；Max.1060μm

2．Jacket
Material and Color：Chlorinated Polyethylene, Black
Diameter： Min.2.13mm；Typ. 2.20mm；Max.2.27mm
Indication on the Jacket：ESKA PREMIER ; Pink
 
3．Approximate Weight：6 g / m 	
	? 
4．Maximum Rating
Storage Temperature：No Physical Deterioration   -55~+85℃
Operation Temperature：-55~+85℃
Operation Temperature under 95 %RH：  +75℃

5．Optical Properties
Transmission Loss：[ 650 nm Collimated Light ]  170dB / km
Transmission Loss under 95 %RH：190dB / km

6．Mechanical Characteristics
Minimum Bend Radius：Loss Increment =< 0.5 dB [ A Quarter Bend ]  25mm
Repeated Bending Endurance：Loss Increment =< 1 dB [ in Conformity to the JIS C 6861 ]  5,000Times
Tensile Strength：[Tensile Force at 5% Elongation; in Conformity to the JIS C 6861 ]  70N
Twisting Endurance：Loss Increment =< 1 dB [ Sample Length : 1 m Tensile Force : 4.9 N ]  5Times
Impact Endurance：Loss Increment =< 1 dB [ in Conformity to the JIS C 6861 ]  0.4N.m