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{"title":"HM-6560,HM-6561,HM-6580 Leeb Hardness Tester Durometer with 50 Data Storage, 9","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/a5\/ef70307b9b6485307514caa40a46-200x200-1\/hm_6560_2chm_6561_2chm_6580_leeb_hardness_tester_durometer_with_50_data_storage_2c_9_materials_conversion_2c_and_rs_232_data_outpu.jpg","attrs":{"Minimum Order Quantity":"1","Price":"US$267","Brand Name":"Bestone","Model Number":"HM-6560,HM-6580,HM-6561"}}
{"title":"HT-6510F HT-6510MF ISO Standard Foam Hardness Tester with RS-232 and Bluetooth","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/18\/a0897ed0363544efcafdd7e03b23-200x200-1\/ht_6510f_ht_6510mf_iso_standard_foam_hardness_tester_with_rs_232_and_bluetooth_data_output_for_memory_foam_and_polyurethane.jpg","attrs":{"Minimum Order Quantity":"2","Price":"US$175","Brand Name":"Bestone","Model Number":"HT-6510F, HF-6510MF"}}
{"title":"FHT-15 Handheld Compact Fruit Hardness Tester with 10mm Pressing Depth and Fruit","imgUrl":"https:\/\/img.chinax.com\/nimg\/df\/6f\/3d3decae803844fb73769da4cba0-200x200-1\/fht_15_handheld_compact_fruit_hardness_tester_with_10mm_pressing_depth_and_fruit_durometer.jpg","attrs":{"Minimum Order Quantity":"1","Price":"negotiable","Brand Name":"Bestone","Model Number":"FHT-15"}}
{"title":"FHT-05 Portable Digital Durometer with 0.2~5.0 Kgf\/Cm\u00b2 Range and 3.5mm Tip","imgUrl":"https:\/\/img.chinax.com\/nimg\/2d\/fd\/d6855ce1afc3da6656e452ef4e03-200x200-1\/fht_05_portable_digital_durometer_with_0_2_7e5_0_kgf_2fcm_c2_b2_range_and_3_5mm_tip_diameter_for_fruit_hardness_testing.jpg","attrs":{"Minimum Order Quantity":"1","Price":"negotiable","Brand Name":"Bestone","Model Number":"FHT-05"}}
{"title":"FHT-1122 Fruit Hardness Tester Penetrometer, Durometer with 7.9mm\/11.1mm Tip","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/15\/245575e024f9c529dc2f04491342-200x200-1\/fht_1122_fruit_hardness_tester_penetrometer_2c_durometer_with_7_9mm_2f11_1mm_tip_diameter_0_2_7e11_0_kgf_2fcm_c2_b2_range_and_c2_b.jpg","attrs":{"Minimum Order Quantity":"1","Price":"negotiable","Brand Name":"Bestone","Model Number":"FHT-1122"}}
{"title":"HT-6510T Series Textile Hardness Tester with Convertible Probe, Average","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/bf\/9914c06a8e18b92c0613069ee8c4-200x200-1\/ht_6510t_series_textile_hardness_tester_with_convertible_probe_2c_average_calculate_2c_and_peak_value_deposit_functions.jpg","attrs":{"Minimum Order Quantity":"2","Price":"negotiable","Brand Name":"Bestone","Model Number":"HT-6510T-2.5\/HT-6510T-5\/HT-6510T-10"}}
Coating hardness measurement is essential for evaluating coating performance. This instrument utilizes the Pencil Scratch Method, providing a fast and economical way to determine film hardness using drawing lead cores or pencil cores. The pencil scratch method has been a globally recognized coating hardness testing standard since the 1980s and is widely used in both laboratory research and industrial production settings.
Testing Standards
GB/T 6739-96 - Coating Hardness Pencil Test Method
ASTM D3363-00 - Standard Test Method for Determination of Coating Hardness by Pencil Test Method
GB/T 1727-92 - General Method for Preparing Film
Testing Principle
The instrument employs mechanical measurement with three contact points touching the coating surface (two wheels and a pencil core) at a 45-degree angle between the pencil and test surface. As the instrument slides across the surface, the pencil creates corresponding tracks in the coating. By observing the marks created by different pencil hardness grades, the film hardness value can be accurately determined.