Hwaying group is an reseller of Mitsubishi Rayon optical fiber. Our company maintains full inventories of Mitsubishi Rayon Eska™, Super Eska™, Eska™ Premier and Eska™ Mega PMMA optical fiber and fiber cable. We offer overnight delivery, credit card purchase options and scheduled deliveries to meet individual customer requirements. Below are links to the Eska optical fiber and cable product lines, as well as a summary selection table to aid in selection of the proper product.

Grade	Lighting	Sensing	Industrial Data Com	High Bandwidth	High Temp
Trade Mark	Eska ™	SUPER Eska ™	Eska ™ PREMIER	Eska ™ MEGA	Eska ™
Fiber Code	CK	SK	GK	N/A*	N/A*
Cable Code	N/A*	SH	GH	MH	BH
Refractive Index (core)	1.49	1.49	1.49	1.49	1.49
Numerical Aperture	0.5	0.5	0.5	0.5	.58
Temperature Range	-55°~70 °C	-55°~70 °C	-55°~85 °C	-55°~85 °C	55°~105 °C
Attenuation (1)	< 2. dB/m	< 0.18 dB/m	< 0.15 dB/m	< 0.16 dB/m	< .3 dB/m
Sample Item	CK40	SK40	GK40	MH4001	BH2001