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The friction loop is an important test for testing the performance index of the drag reducers, which can keep users informed with the friction loop performance of each drag reducer before using, an

SINOFLOC is offering a broad range of leading-class friction reducer to our customers from fresh water to heavy brines. Our product range includes anionic polyacrylamide powder, anionic polyacrylamide emulsion and cationic polyacrylamide powder, which have been approved excellent performance in the conditions with high TDS levels and API brine.

1. PTFE (PTFE, also known as F4): can be used at 260 for continuous use, with the highest temperature 290-300, very low friction coefficient, good wear resistance and excellent chemical stability, also known as "plastic king", the color is white, generally used in lined with fluorine pipe, valve, seal, bar, etc.

Different people have different requirements about the softness of the mattress. But multiple studies have shown that it's best to use a softer bed for the thin and smart people. Because there is a lack of muscle protection on their both sides of the spine, it tends to overextend their body for a long time. Moreover, there is too much friction with their beds. Please choose the soft mattresses. It is more comfortable and much easier to have a good sleep.