Quality inspection standards for silicone hose

1. Standard tolerance: Wall thickness=Wall thickness+/-0.5mm; Length=length+/-3mm, inner diameter tolerance=inner diameter+/-0.8mm

2. Internal and external surfaces: clean, flat, without missing glue (the cloth is not exposed), without obvious scratches, and the incision is neat without burrs

3. Tube body: No layering, no bubbles, no cracking

4. Identification: Clear and fully recognizable

5. Laser marking: Clear drawing number and accurate position