1. Use virgin PTFE resin to make 2. The size is: A)OD1mm~25mm, wall thickness 0.1mm~2.5mm B)OD25mm~400mm, wall thickness1.5mm~8mm C)OD25~1200mm, wall thickness5mm~500mm
3. Tolerance: -0.1~+0.1mm 4. Color: Natural white, red, yellow, black. 5. Surfact: Smooth, no impurities, no black spot. 6. Wall thickness is uniform. 7. Perfect package: Inside is plastic paper, outside is fumigation wooden box. 8. Delivery time is usually 10days, as can according to the fact quantity to deliver.