Company News_第2页_Novista Chemicals - The pioneer of Flame retardant

27 2023-5
Advantages and disadvantages of commonly used flame retardants In recent years, with the increase in the output of plastic products and the improvement of safety standards, flame retardant materials are more widely used. Generally speaking, flame retardant materials can be divided into organic flame retardant materials and inorganic flame retardant materials.The organic flame retardant has good flame retardant effect and the addition amount…
20 2023-5
What are flame retardants? As the name suggests, flame retardants are additives used to prevent materials from being ignited and inhibit the spread of fire. They are mainly designed for the flame retardant of polymer materials. Generally speaking, flame retardants mainly play the role of endothermic, covering, chain inhibition and non-combustible gas suffocation to achieve the flame retardant effect. Mate…
20 2023-5
Flameout method of flame retardants 1. It produces a gas that smothers the flame. For example, antimony trioxide reacts with HCl from combustion in PVC to form a smoldering gas, namely antimony nitrogen oxide. 2. It can absorb the heat produced during combustion and cool down the combustion rate. For example, aluminum hydroxide contains up to 34% of chemically associating water in its molecules, which remains stab…
20 2023-5
Flame retardant Flame retardant is a kind of additive which can prevent the ignition of polymer materials or inhibit the flame propagation. Common and important flame retardants are compounds of phosphorus, bromine, chlorine, antimony and aluminum. Flame retardants can be divided into additive type and reactive type. The additive flame retardants mainly include phosphate ester, halogenated hydr…
8 2023-4
Flame retardant: an essential patron saint of safety On July 6, 2013, Asiana flight 214 crashed when it landed in San Francisco, its fuselage caught fire and emitted thick smoke. In this accident, although the plane caught fire, the vast majority of passengers survived smoothly. It is a kind of chemical product widely existing in our life, but often ignored, that is flame retardant. As a conventional means of fire prevention, flam…
8 2023-4
Effects of Flame Retardant and Glass Fiber on the Properties of PA66 Due to the needs of electronic product applications, PA66 must have certain flame retardancy and relative tracking index (CTI) properties. Also, depending on product strength requirements, it may be necessary to add glass fibers to the PA66 material. Commonly used flame retardants are nitrogen flame retardants, bromine flame retardants and red phosphorus. (1) Under normal circ…
8 2023-4
What are the standards for the selection of flame retardants for nylon? Nylon has excellent properties and is widely used. Unmodified nylon has low flame retardancy, vertical combustion can only reach UL94V-2 level, oxygen index is about 24%, it will drip during combustion, it is a flammable material, and it is very easy to use in the process. Yes. catch fire. Therefore, reformed nylon flame retardants have become a common concern and research topic…
25 2023-3
What is halogen free? Are halogen-free flame retardants completely halogen-free? 1. What is the concept of halogen-free?Halogens are listed in Group VIIA of the periodic table and belong to non-metallic elements, including five elements: Fluorine, Chlorine, Bromine, Iodine, and Astatine. Halogen often refers to the four elements of fluorine, chlorine, bromine and iodine, which usually exist in the form of organic compounds in products, especially in polymer …
25 2023-3
Common polypropylene（PP）flame retardant systems and application characteristics As a common modified material, flame retardant polypropylene is mainly used in small household appliances, electronic appliances, automobiles and other fields. It has the advantages of high cost performance, large room for performance adjustment, and easy molding. At present, there are many researches and applications on flame retardant polypropylene, but the common flame retard…
25 2023-3
Analysis of three kinds of flame retardants 1) Organic halogen flame retardantOrganic halogenated flame retardants refer to organic flame retardants with halogen as the main flame retardant components. Due to their high flame retardant efficiency, low consumption and small impact on the properties of materials, they have been widely used in the flame retardant market since the 1960s. Brominated flame retardants are the re…