Metal materials and metal products face the risk of rust in daily storage, transportation, and application.
If the exposed surface of metal products is exposed to the atmosphere for a long time without protection, it may be corroded and rusted due to moisture or pollutants in the air.
Once the metal product corrodes and rusts, it may have a certain impact on the appearance, quality, and function.
Anti-rust packaging materials are officially anti-rust materials to avoid metal materials and products from corrosion and other hazards during storage and transportation.
The detection range of anti-rust packaging materials
1. Paper testing products: VCI paper, coated VCI paper, enhanced VCI paper, VCI corrugated cardboard, VCI board paper.
2. Film testing products: VCI plastic film, antistatic VCI plastic film, reinforced VCI plastic film, VCI stretch film, VCI heat-shrinkable film, reinforced aluminum-plastic composite VCI Rusty plastic film.
3. Agent testing products: VCI powder, VCI sheet, sprayable VCI powder.
4. Buffer testing products: VCI foam, VCI pearl cotton, VCI air bubble cushion.
5. Cloth testing products: gas-phase protection board.
6. Liquid testing products: water-based vapor phase antirust liquid, vapor phase antirust oil.
7. Other testing products: VCI rods, VCI divergent.
Class 1 packaging: Anti-corrosion paint for at least 2 years, applicable conditions are temperature greater than 30 ℃, relative humidity greater than 90%, mainly used for packaging easy to rust, precious, precise products that may rust.
Level 2 packaging: Anti-corrosion paint for at least 1 year, applicable conditions are the temperature is greater than 20℃~30℃, and the relative humidity is 70%~90%. It is mainly used for packaging products that are easy to rust, more expensive, and more precise.
Level 3 packaging: anti-corrosion paint for at least 0.5 years, applicable conditions are temperature less than 20℃, relative humidity less than 70%, mainly used for packaging products that are not easy to rust.
Anti-rust packaging materials testing items
1. Anti-rust performance test: gas-phase corrosion inhibition ability, gas-phase corrosion inhibition ability after consumption, contact corrosion, compatibility with copper, alternating damp heat test, long-term protection performance, etc.;
2. Sealing performance testing: heat sealing strength, heat sealing oil resistance, water permeability of heat sealing, etc.;
3. Physical performance testing: transparency, weld strength, impact strength, tear strength, low temperature flexibility, oil resistance, adhesion resistance, marking water resistance, storage stability, material water resistance, etc.;
4. Other performance testing: thermal aging performance testing, corrosion performance testing, etc.;
The inspection of anti-rust packaging materials can better help us control the quality of products, thereby effectively preventing metal materials and products from rusting.
At present, among the metals we use, iron metal materials and products account for more than 90%, and iron metal is particularly prone to rust, so many anti-rust packaging technologies use iron metal as the main protection object.
Before metal products are put into use, many anti-rust packaging will be removed, which causes a certain waste of resources, so green anti-rust packaging has become the future development direction of the industry.
The detection of anti-rust packaging materials is conducive to improving the development level of the industry’s systematization, standardization, and serialization, and provides the necessary impetus for sustainable economic development.
