Hollow fiber spinneret precision ±0.001

Technical Specifications

1. Maximum 2m length and 20, 000 holes for rectangular spinneret.

2. Maximum diameter 600mm and 40, 000 holes for round spinneret.

3. Minimum capillary diameter 0.15mm.

4. Manufacturing tolerances:

Capillary diameter: ± 0.002mm

Capillary length: ± 0.02mm

5. Capillary length and diameter (L/D):

0.15mm 0.20mm ≤ 4/1

0.20mm 0.30mm ≤ 5/1

0.30mm 0.50mm ≤ 6/1

Over 0.5mm ≤ 20/1

6. Surface roughness of exit side: ≤ Rz 0.8

7. Surface roughness of capillary: ≤ Rz 0.4

Materials
We can use different materials on clients request: Imported SUS431, SUS630, SUS316 and domestic made 1Cr18Ni9Ti.

Hollow fiber spinneret precision ±0.001 Images