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Weifang Longstar Chemical Inc. is a grown company situated in Shandong Weifang, the ocean chemical capital of China. In a short span of time the company has become a leading... (Read More)
This product is used for filtration control in all types of water base drilling fluids ranging from fresh to salt saturated waters. It also has shale inhibitive characteristics. It meets or exceeds API 13A specifications. Its thermal stability is up to110- 120℃. It is also can be bacterial fermentation.
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