The surface is smooth without obvious stains and impurities. Good plasticity uniform thickness with no obvious injection defect; The surface is smooth with no burr length of more than l mm. The tube should be transparent no focus no bubble.no larger than 0.2mm in diameter were black.
The clean degree:
We produce in the purification workshop.Check by no alcohol liquid should be no visible dust and particles.
Plastic tubes should be no toxic effect on humans. does not affect the physicochemical properties and composition of blood, sealed and nonbreathable polyester or other polymer material.
We will refer to the quality standards to make the strict factory inspection to ensure that meet customer requirements for each piece of each batch of our product.