industrial sewing machine

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  • How to test the flame retardant performance of wire and cable?

    With the rapid development of China’s electric power, petroleum, chemical industry, urban rail transit, automobile and shipbuilding industries, especially the accelerated transformation of power grid and the construction of UHV projects one after another, the wire and cable material manufac...
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  • What is the room/corner fire experiment?

    Solid room/corner fire experiment is one of the methods to study the fire characteristics of indoor wall and ceiling decoration materials. Because this test is close to the real fire conditions, the test results are relatively reliable. The test takes the simulated corner fire scene as the standa...
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  • The importance of incombustibility test of building materials.

    Buildings are built by various building materials. The performance of these building materials at high temperature is directly related to fire risk of buildings and the speed of fire spread after fire. Therefore, the fire protection performance of building materials is very important. As the basi...
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  • What is the oxygen index test?

    In real life, there will inevitably be fire hazards, such as fire accidents caused by textiles, plastics or decorative materials and the other combustibles. Products with good flame retardant properties burn slowly, which can make us quickly evacuate from the burning site or get away from the bur...
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  • What is a NBS smoke chamber?

    The NBS smoke density chamber (ASTM E662) is the most popular test instrument used to measure smokeobscuration. In its standard use, it can accommodate only samples in the vertical orientation. The NBS Smoke Density Chamber test method is from the National Institute of Standards and Technology NI...
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  • What is the method of flammability test for a single combustion product?

    The combustion performance of the building materials and products is a very important index and an important factor related to the safety of people’s lives and property. With the deepening of the field of fire science, the connotation of combustion performance has expanded from simple flame...
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  • What is the combustion calorific value of building materials?

      The combustion calorific value of building materials is an important parameter reflecting the potential fire risk of building materials. It is an essential basic data for calculating the heat released by the combustion of building materials and fire load. Calorific value is the natural pro...
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  • What is the most important factor of building fire safety?

    Automatic Ignitability Building Materials Flammability Tester In recent years, with the rapid development of China’s construction industry, the state pays more and more attention to fire safety. The selection of building materials is the mainly factor affecting building fire safety. The combustio...
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  • How to test the flame retardant and fireproof performance of building materials?

    Once a fire breaks out in a crowded buildings site, it will do great harm to people’s lives and property safety. Therefore, the flame retardant and fireproof performance of building materials has attracted more and more attention from the society. Of course, the test methods of flame retardation ...
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  • What is the most important item of the internal flame retardant performance of the vehicle?

    The appearance of cars have brought great convenience to mankind. However, frequent traffic accidents such as fires, also threaten the lives and property safety occupants in cars. Therefore, in order to avoid or delay the spread of fire, it is very important to test the flame-retardant performanc...
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  • Is the quality of your children’s bicycles up to standard?

    ISO 8098 Children Bicycle Testing Equipment In recent years, the development of the children’s consumption market was rapidly, and children’s consumption expenditure shows an increasing proportion of total household expenditure. Children’s bicycles are extremely popular as the c...
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  • The Importance of Testing the Edge of Children’s Toys.

    Sharp Edge Tester While children do not have the ability to judge the risk of toys. Parents should consider the potential safety hazards when purchasing toys. In recent years, toys safety have attracted everyone’s attention, but the focus is mostly on chemical safety problems such as excess...
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industrial sewing machine