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SOME OF OUR TESTS
Operation instruction: hydrometer
Test place: In the factory on-site
Test Item: gravity of test flooring
Sample size: 20 x 20mm, alone with the samples( at least more than 10g).
Abrasion machine operation instruction
Test standard(basis): EN660-2
Test Item: Abrasion test
Sample size: 100mm diameter circular or 100mm square.
Test speed: 60±5r/min
Required abrasion quantity:≦0.015g.
Horizontal tensile testing machine operation instruction
Test standard(basis): EN431
Definition: Measurement open a certain width of material required for pulling force
Sample size: 50mm wide, 80mm long
Electronic tensile machine 180 strpping operation instruction
Test standard(basis): EN431
Test Item: Mechanical property of flooring
Sample size: 150-200x50mm
Test speed: 100±5mm/min
High-low-temperature test box thermal expansion rate of operation instruction
Text Item: Thermal expansion rate test
Definition: After the determination of the thermal expansion test
Sample size: 240×240mm, 12”*12”,original sample.
Heating expansion ratio operation instruction
Test standard(basis): In the factory the test method.
Definition: Measured under a certain temperature, the floor size heat expansion rate.
Sample size: Original size 24 pieces(depending on the product, can be laid for the principle).
Test steps: Put the flooring in the heating room. After 24 hours when the product temperature is stable on 23+2℃, measuring its original size.
Open the power supply, make indoor temperature of heating room up to 50℃ for 7 hours. Then measure the flooring size.
Comparing the original and expanded size to calculate the heating expansion rate.