Common Question

Paperboard is usually composed of several layers of pulp combined, the binding force between the layers of cardboard in different production processes, different equipment and different technical worker conditions are different, according to the use of paper function, the requirements for the str...Read more »

Tissue paper and toilet paper are used in daily life, which are mainly used for People’s Daily health, so it is usually called household paper in the paper industry, which is one of the indispensable paper species in people’s lives. Its shape is a single square, which is called square...Read more »

As a professional instrument for testing the barrier properties of product packaging materials, the moisture permeability tester (also called water vapor transmission rate tester) exists. However, during the testing process, some of the details are likely to lead to errors due to human operation,...Read more »

Water Vapor Transmission Rate (WVTR) is the rate at which water vapor is transmitted within a material, usually expressed as the amount of water vapor that passes through a material per unit area in a unit time. It is one of the important indicators to measure the permeability of materials to wat...Read more »

Stacking compression test is a test method used to assess the ability of cargo packaging to withstand pressure during stacking storage or transportation. By simulating the actual stacking situation, a certain amount of pressure is applied to the packaging for a period of time to check whether the...Read more »

The Kjeldahl method is used to determine the nitrogen content in organic and inorganic samples. For longer than 100 years the Kjeldahl method has been used for the determination of nitrogen in a wide range of samples. The determination of Kjeldahl nitrogen is made in foods and drinks, meat, feeds...Read more »

A tensile tester can also be referred to as a pull tester or universal testing machine (UTM). The test frame is an electromechanical test system that applies a tensile or pull force to a sample material to evaluate its physical properties. Tensile strength is often referred to as ultimate tensile...Read more »

The metal wire tensile testing machine produced by Shandong Drick is mainly used for steel wire, iron wire, aluminum wire, copper wire and other metals and non-metallic materials at normal temperature environment tensile, compression, bending, shearing, stripping, tearing, load retention and othe...Read more »

  DRICK Ceramic Fiber Muffle Furnace adopts cycle operation type, with nickel-chromium wire as the heating element, and the operating temperature in the furnace is more than 1200. The electric furnace comes with intelligent temperature control system, which can measure, display and control ...Read more »

The DRK-K646 automatic digestion device is an automatic digestion device with the design concept of “reliable, intelligent and environmental protection”, which can automatically complete the digestion process of Kjeldahl nitrogen determination experiment. The DRK-K646B can support up...Read more »

Hydraulic universal testing machine is widely used, mainly used for metal, non-metal and other materials tensile, compression and other data measurement, to provide users with more valuable data, used in aerospace, rubber plastics, research institutes and other industri...Read more »