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.