Wall safes are boxes that can be protected against intrusion, nested in a wall to hide them from accidental discovery. Wall safes are supposed by several to be safer than conventional safes because they expect a conceivable thief to not only smash the lock on the steady, but also find out the safe’s location in the first place safe box hong kong.
Wall safes are generally earned from thick steel, although other mixtures are accessible. Some wall safes, for instance, are streaked with head to conserve against radiation, or with flame retardant alloys to protect the safe in the event of a fire. Most wall safes are designed to withstand not only theft, but also dust, water, fire, and harmful gases. To this end, wall safes can be equipped with airtight closures and other measures to ensure that they are airtight security safes hong kong.
The classifications found on wall safes for fire and explosion protection are determined by extensive testing. For fire classification, the safe is placed inside a raging fire at 1700 ° F (925 ° C) with a heat sensor and pieces of paper inside. It is left at this temperature for a full hour, or even up to 1850 ° F (1010 ° C) for two hours, depending on the rating required. During the fire and cooling period, the temperature inside the safe must never exceed 350 ° C (175 ° F). After the safe has cooled completely, it is opened and checked to make sure it is still functioning properly and that the contents of the safe are in good condition. To test the explosion, a safe is placed inside a fire at 2000 ° C (1095 ° F) and left for half an hour. If it does not explode under these conditions, it is classified as explosion proof.