Are RV door latches weatherproof for off-road use?
The off-road protection of modern RV door locks has first achieved a breakthrough through material science. The high-end model conforming to the ISO 16750-4 standard adopts a 316L stainless steel body. After continuous 1000 hours in the 5% sodium chloride salt spray test, its annual corrosion rate stabilizes at 0.003 millimeters, which is much better …
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