In 2026, the new national standard GB 34914-2026 for water purifiers is fully implemented, ushering the industry into a new era of standard-driven safety upgrading. Household RO systems and instant hot water purifiers have become essential home appliances.
Operating under long-term damp, water-immersed and alternating hot-cold conditions, the O-rings and seals in water purifiers are subject to frequent filter changes and constant water exposure. This easily leads to hardening, jamming, and seal failure, which are the main causes of water leakage and water quality contamination.
When seals are submerged for extended periods, rubber tends to harden, crack, and lose elasticity. Increased friction accelerates wear, while tiny cracks can harbor bacteria, resulting in seepage, leaks, and secondary water pollution. During filter replacement, dry friction between seals and plastic ports creates high installation resistance. Over-tightening often deforms seals or damages housing, creating hidden leakage risks. Petroleum jelly and general-purpose lubricants cause rubber swelling and softening, while non-food-grade greases contaminate drinking water, defeating the purpose of safe purification.
Baoxing BX-455/C-WY Food Grade Waterproof & Seal Grease
Specially engineered for water treatment equipment seals.Certified NSF H1 and WRAS for safe contact with drinking water.
Combines superior waterproof sealing and long-lasting lubrication:
Forms a protective lubricating film to reduce assembly and disassembly friction,
Fills micro gaps for enhanced sealing and eliminates water leakage,
Resists water washout and aging, does not corrode rubber or plastics,
Prolongs seal service life and lowers maintenance and replacement costs.
With 20 years of expertise in specialty lubrication, Baoxing focuses on food-grade and waterproof sealing solutions. Our products hold authoritative certifications including NSF H1, FDA, RoHS, REACH, and WRAS, fully compliant with high-safety applications such as water purification and food processing equipment.
BX-455/C-WY matches the performance of top imported brands and is a direct replacement for Molykote DC 111, solving issues of high cost, long lead times, and unstable supply chains. We support sample testing, technical selection, and customized solutions to help water treatment equipment manufacturers reduce costs, improve efficiency, and ensure reliable sealing.
