Blue PU Air Tubing Pipe Hose

Yantai Zhengyuan Polyurethane Co., Ltd. was established in 2007. The company is located in Yantai, Shandong, the birthplace of polyurethane products in China, and is located in the same city as Wanhua, a large raw material manufacturer in China. We have unique advantages in both product production and raw material procurement. The production products are mainly used in many industries such as the pneumatic industry, machinery manufacturing, petroleum industry, mining industry, logistics industry, etc. Having a strong production team, technical team, and sales team, the Blue PU Air Tubing Pipe Hose produced has received unanimous praise from customers for its high-quality products and reasonable prices. You are welcome to visit the factory at any time.

The production of Blue PU Air Tubing Pipe Hose has the following requirements and precautions for raw materials and production processes:
I.Raw material requirements
.Polyurethane (PU) material:
Purity: High purity is required to avoid impurities affecting performance.
Hardness: Choose the appropriate hardness according to product requirements.
Chemical resistance: Ensure resistance to corrosion from oil, chemicals, and other substances.
Wear resistance: High wear resistance is required to extend the service life.
Flexibility: Maintain good flexibility for easy installation and use.
Color additives:
Stability: Ensure that the color does not fade during processing and use.
II.Production precautions
Raw material pretreatment:
Drying: Ensure that the raw materials are dry and avoid moisture affecting quality.
Mixing evenly: Ensure that all additives are evenly distributed.
Extrusion process:
Temperature control: Accurately control the temperature of the extruder to prevent overheating or insufficient.
Speed control: Adjust the extrusion speed to ensure uniform thickness of the pipe wall.
Cooling: Proper cooling to prevent deformation.
Quality Control:
Dimensional inspection: Ensure that the inner diameter, outer diameter, and wall thickness meet the standards.
Stress testing: Conduct stress testing to ensure pressure resistance performance.
Appearance inspection: Check whether the surface is smooth and free of defects such as bubbles and cracks.
III.The situation where raw materials or equipment need to be replaced
Raw material issues:
Excessive impurities: When affecting product quality, it is necessary to replace the raw materials.
If the performance does not meet the requirements, such as hardness, wear resistance, etc., it needs to be replaced.
Equipment issues:
Extruder wear: Parts need to be replaced when affecting extrusion quality.
Temperature control failure: Maintenance or replacement of equipment is required when stable temperature cannot be maintained.
Product quality issues:
High defect rate: When a large number of defective products appear in production, it is necessary to inspect the raw materials or equipment and replace them if necessary.
By strictly controlling the raw materials and production process, the quality and performance of Blue PU Air Tubing Pipe Hose can be ensured.
IV.The situation where the PU hose needs to be replaced:
If there is material aging, cracking, or wear that affects its performance, replacement should be considered.
When encountering physical damage such as cuts or severe twisting, replacement is also necessary.
If the pipe deteriorates due to chemical erosion, it should also be replaced

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