【USE】: This rubber hardness tester is an instrument for measuring the hardness of sulfur-containing rubber and plastic products. Easy to use, accurate measurement, easy to carry, durable and stable, practical.
【APPLICATION】: This is a type A hardness tester for general rubber, synthetic rubber, soft rubber, polyester, leather, wax and so on. Accurate reading, clear dial scale, degree is more intuitive and convenient.
【ALLOY MATERIAL】: This mohs hardness test kit is made of high quality alloy material, waterproof and not rusty, fine workmanship, durable; connecting device and frame with more convenient use.
【INSTRUCTION】: Place the specimen on a solid surface, take the hardness tester, press the needle at least 12 mm away from the edge of the specimen to smoothly put the foot pressure on the specimen, so that the pressure needle is pressed vertically into the specimen until the foot is in full contact with the specimen when the reading in 1 s. Measure the hardness value 5 times at different positions at least 6 mm apart and take the average value (at least 15 mm for microporous materials).