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Hebei Hankai engine hoist hydraulic cylinder rebuild kit
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In addition to protecting against external contaminants, dust wiper seals also help to retain lubricants within the system. This is particularly important in applications where proper lubrication is critical for preventing friction and wear. By maintaining a stable lubricant film, dust wiper seals enable machinery to operate smoothly and efficiently, ultimately extending the lifespan of the equipment.
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2. Pharmaceutical Formulations In the pharmaceutical industry, hydroxyethyl cellulose is utilized as an excipient in tablets and cream formulations. Its thickening properties help in controlling the release of active ingredients, thereby improving drug efficacy. HEC is also used in ophthalmic preparations due to its excellent water retention capabilities that can sustain moisture in dry eye conditions.
hydroxyethyl cellulose formula

The chemical stability of hydroxyethyl cellulose is an important aspect outlined in the SDS. HEC is stable under normal conditions, while incompatible materials include strong oxidizing agents. The polymer should be stored in a cool, dry place, away from direct sunlight and moisture to prevent degradation.