Put the product into salt spray test box, to carries out salt spray test, take out the product after 48 hours (Is equal to the normal time for three years), and then testing the appearance and function of the product. Due to the actual environment is different of each factory, a lot of safety padlocks used in high corrosive and chemical environment, if you have any questions please call us.

Environment testing

Corrosion resistance testing

-55℃/-67℉ test Put the product into high-low temperature cycles box, drop the temperature to -55℃/-67℉. Maintain the temperature for 24 hours, take out the product and then repeat 10 times, to testing the function of the product. Put the product into high-low temperature cycles box, raise the temperature to 55℃/131℉. Maintain the temperature for 24 hours, take out the product and then repeat 10 times, to testing the function of the product. Due to the actual environment is different of each factory, a lot of safety padlocks used in the higher temperature environment, if you have any questions please call us.

Install the product to mechanical arms, to drawing, compression and bending. Then take out it and to testing the function of the product.

Impact resistance testing

Put the product fall from the height of 1.5 meters to the steel plate, repeat 10 times, then take out it and to testing the function of the product.

Drop testing

UV and climatic testing

Put the product into the UV and climatic test box, to simulate the damage of sunlight, moisture and temperature. Ageing material includes fading, loss of gloss, strength reduction, cracking, peeled off, pulverization and oxidation. A few hours or days testing in the simulation environment may appear the damage of a few months or years. Then take out it and to testing the function of the product.

Lifetime testing of the padlocks

Install the padlock on the lifetime testing machine, the machine can put the key into key slot, to clockwise or anticlockwise turn the key and lock core. Go back and forth to test, till the lock cannot open again, the amount of the open time is the open lifetime of the padlock.