JINGKELIAN QBY-II Pendulum Pole Film Hardness Tester GB/T1730 (B Method) M-3 Double Pendulum
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M-3 pendulum
According to GB/T 1730-2007B method, M-3 pendulum (double pendulum) with door cover is used to determine the film Hardness of Paints, varnish and related products.
