Anti-rust zipper bag VCI Bag for jewelry, metals (6.7×4.7"×4mil 40pcs) - Devonian

• 【Long anti-rust period】The anti-rust period can be up to 24 months if the packaging is sealed and the storage environment is excellent.After using this VCI bag to pack the protected items. The VCI contained in the membrane body starts to volatilize the antirust gas factor, which diffuse and penetrate into the surfaces of the articles for antirust and adhere on them to form a compact protection film with the thickness of monomolecular to avoid the surfaces of the articles for antirust in contact with all factors inducing corrosion, thus the corrosion is effectively prevented. 【Multi-metal Universal】It is suitable for various metal materials and products such as ferrous metal, alloy steel, cast iron, copper, brass and bronze, electroplated metal, zinc and alloy, chromium and alloy, cadmium and alloy, nickel and alloy, tin and alloy, aluminum and alloy, stainless steel, etc. 【Easy to observe】High transparency, the state of the packaged goods can be seen. 【Labor and time saving】Simple operation, no need to pretreat the protected metal surface, eliminating the process of oiling, degreasing and cleaning. Save work and time, improve work efficiency and save cost. 【Environmentally friendly and harmless】No nitrite, phosphate, environmentally safe and harmless, certified by SGS, RoHS compliant.