How to Prevent Outdoor Garden Hose From Turning Yellow?

We often see some transparent outdoor garden hose turn yellow and look dirty and old, so how can we prevent the outdoor garden hose from turning yellow? Here are some reasons to start with:

1. Spraying yellow-resistant paint: The spraying of paint usually takes two forms, one is in-mold spraying and the other is out-of-mold spraying. The spraying of yellow-resistant paint will form a protective layer on the surface of PU pipe to avoid yellowing caused by pollution caused by increasing the contact of PU fibers with hoses or other PU pipes with the atmosphere.

2. Sun exposure should be avoided: PU hose or high-pressure hose, PU yarn clamping tube is no exception. All PU pipes require cool and ventilated storage areas. PU plastic hoses or PU transparent hoses can be packed in plastic bags and placed in places without sunlight.

3. Use a good mixing ratio: A good ratio can make the liquid I and the liquid P reach the fullest mixing reaction without incomplete reflection. However, when these phenomena occur, the hydrolysis resistance and yellowing resistance of the finished product will be greatly reduced, especially when the proportion of ISO is too high, the yellowing of the finished product will be accelerated.

4. Avoid pollution during manual operation: more PU pipes and high-pressure hoses are polluted in the finishing process and yellow changes such as human sweat and organic solvents are generated. Therefore, PU products should pay special attention to the cleanliness of contact bodies and reduce the finishing procedures as much as possible.

5. Adding anti-yellowing agent: In order to strengthen the anti-yellowing ability of PU pipes, a special anti-yellowing agent is often added to the raw materials, but the anti-yellowing agent is expensive, so we should also measure its economic benefits when using the anti-yellowing agent.

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