How to solve the problem of flow marks and burrs on Nomex Braided Sleeve

I believe that many Nomex Braided Sleeve manufacturers have encountered flow marks and burrs in Nomex Braided Sleeve when producing products (see the picture below); if such a problem occurs, the quality of the Special Material Braided Sleeve products will definitely be inferior Off.

So how to solve the problem of flow marks and burrs? To solve the problem, you must first know the cause of its occurrence.
The reason for the flow marks and burrs in Nomex Braided Sleeve is to determine the raw materials and related additives of the Special Material Braided Sleeve, such as: whether the Special Material Braided Sleeve are ordinary Special Material Braided Sleeve or platinum vulcanized Special Material Braided Sleeve, and the masterbatch uses colorants. Or pre-dispersion? Because flow marks are related to the mixing of Special Material Braided Sleeve, lowering the mold temperature and fully mixing can reduce or eliminate flow marks.
As for the causes of burr problems:
1. The material weight is too large;
2. Exhaust air too many times, mold temperature is high, etc.
Solution: The mold joint line needs to be polished with a whetstone; add frozen trimming, etc.
Of course, there are many factors that cause flow marks and burrs in Nomex Braided Sleeve. Nomex Braided Sleeve are also explained based on their own experience. If there are any deficiencies, please contact us for corrections.