Master Cord Grade：Grade S
1. Achieving low insertion loss and high return loss by choosing high quality ferrules and fibers.
2. Optimized manufacturing process and polishing technique.
3. Excellent stability and reliability.
Specifications:
1. Insertion Loss:≤0.03dB
Return Loss：≥55dB（PC），≥65dB（APC）
2. Vertex Offset:≤30μm
3.Ferrule End-face Radius: 7mm≤R≤15mm（LC） ，10mm≤R≤18mm（SC），6mm≤R≤11mm（APC）
4.Fiber Undercut: ±0.05μm
5.Fiber Core Eccentricity：≤0.45μm（PC），≤0.5μm（APC）
Master Cord Type(Common Spec):
FC/APC-SC/UPC Master Cord(Single mode)
FC/APC-SC/APC Master Cord(Single mode)
FC/APC-LC/UPC Master Cord(Single mode)
FC/APC-LC/APC Master Cord(Single mode)
