Led by the China Die & Mould Association Standard Parts Committee, representatives from 18 major domestic mold standard parts manufacturers and mold steel sales companies gathered in Suzhou recently, on how to deal with the current and led by the China Die Association Standard Parts Committee, from the domestic 18 major Representatives of mold standard parts manufacturers and mold steel sales companies gathered in Suzhou not long ago to reach a consensus on how to cope with the current situation of high mold steel prices in the current and future period.
According to the relevant personnel of the mold steel supplier Xiongfeng Special Steel Co., Ltd., since the price of special steel for export is higher than that of the domestic market, coupled with the policy of exporting VAT, the domestic special steel mills are inclined to export in sales. For example, about 60% of Fushun Special Steel's products are exported, which further aggravates the tight supply and demand relationship. At present, steel distributors have given 40% of the advance payment to the steel mills five or six months in advance, but they often cannot get the goods as required. The price of steel is running at a high level on the whole line. No. 45 is about 7,000 yuan per ton, doubled in two years; metal molybdenum sold for 800,000 yuan per ton, and the price rose nearly 10 times in two years, and the price of molybdenum steel also rose.
The standard mold companies that attended the meeting also generally reflected that the steel price has risen by 37% in total over the past year, which has led to an increase in the cost of mold standard parts. However, there is not much room for product price increases, resulting in excessive burden on enterprises and difficulties in operation. In response to this situation, many companies have taken active measures, such as further improving product quality, grasping the qualified rate of finished products; tapping potential internally, reducing various consumption; improving services and striving for the understanding and support of the supporting mold companies. The results are good. As for the trend of steel prices in the future, everyone agrees that with the rapid development of China's economy, resource shortage is a long-term phenomenon, and there will be an increasing trend. In the coming period, the price of high-alloy steel will definitely rise, and Pugang will not easily fall back in the short term.
In order to cope with the severe situation, the delegates reached a consensus on the joint measures of the industry: First, properly adjust the product price, and increase the price by 10%~15% on the basis of the original sales price; Second, it is recommended to develop key products such as formwork and putter. The internal guidance price of the industry; Third, do a good job in enterprise positioning, and constantly seek new ideas and new methods, such as developing new products and increasing non-standard products.
Experts in the industry also pointed out that in the current situation, mold standard parts enterprises should pay more attention to product quality. Only when the product quality goes up can they sell good prices; if they have their own scale cost, they can set the sales price according to the production capacity. The price is dynamic. It changes with the market and its own production capacity. In addition, it is necessary to recognize that the mold standard parts enterprises are not only competitors in the market, but also partners. Only by learning from each other and cultivating the market together can we maintain the long-term interests of the industry and achieve common development.
PEEK Plastics,Polyether ether ketone, known in English as polyetheretherketone plastic (PEEK Plastics), is a linear aromatic polymer containing chain sections in the main chain of molecules.Its constituent units are oxygen-pairs of phenyl-oxycarbonyl - pairs of phenyl, semi-crystalline, thermoplastics.
Product name: polyether ether ketone (PEEK Plastics) resin is a kind of excellent special engineering plastics, PEEK Plastics has more significant advantages compared with other special engineering plastics, resistance to high temperature is 260 degrees, mechanical performance, good self-lubrication, resistance to chemical corrosion, flame retardant, stripping resistance, abrasion resistance, no strong sulfuric acid, nitric acid resistance, radiation resistance, strong mechanical properties can be used for high-end technology such as mechanical, nuclear engineering and aviation.
PEEK Plastics has heat resistance, chemical stability and the forming process of thermoplastic plastic. PEEK Plastics has excellent heat resistance.Its thermal deformation temperature of 160 ℃, with 20% ~ 30% Glass Fiber reinforced, heat distortion temperature can be increased to 280 ~ 300 ℃.Polyether ether ketone is good, the thermal stability of 420 ℃ in air.2 h under weightlessness is only 2%, at 500 ℃ was 2.5%, significantly thermo-gravimetric 500 ℃.Polyether ether ketone of long-term use of temperature is about 200 ℃, under this temperature, still can keep the high tensile strength and bending modulus, PEEK Plastics is also a kind of very strong material, has excellent resistance to creep and fatigue performance for a long time.
PEEK Plastics electrical insulating performance is very excellent, volume resistivity of about 10 ~ 10 Ω · cm.It still has small dielectric constant and dielectric loss in high frequency range.For example, in 10Hz, the dielectric constant in the room is only 3.2 and the dielectric loss is only 0.02.
The chemical stability of polyether ether ketone is also very good. In addition to concentrated sulfuric acid, almost any chemical reagent is very stable, even at high temperature, PEEK Plastics can maintain good chemical stability.In addition, PEEK Plastics has excellent heat resistance and steam resistance.In 200 ~ 250 ℃ steam can be used for a long time.
PEEK Plastics with good flame retardancy, in normal circumstances it is difficult to burn, even burning, smoke and harmful gas release a quantity to also is very low, even lower than low smoke volume of polymer such as ptfe.In addition, PEEK Plastics has excellent radiation resistance.Its resistance to alpha rays, beta gamma rays and gamma rays is the best current polymer material.The wire products covered with it can withstand gamma rays of 1.1 x 10Gy.
The polyether ether ketone has good fluidity and thermal stability at the melting point.Therefore, PEEK Plastics has the typical processing performance of thermoplastic plastic. Therefore, it can be used for injection molding, extrusion, blow molding and laminating, and also spinning and making films.Although the polyether ether ketone melt processing temperature range is 360 ~ 360 ℃, but because of its thermal decomposition temperature above 520 ℃, and it still has the very wide processing temperature range.
Although the development history of PEEK Plastics is only a short 20 years, but because PEEK Plastics has the outstanding heat resistance, chemical corrosion resistance, radiation resistance and high strength, easy to machining, PEEK Plastics is currently in the nuclear industry, chemical industry, electronic appliances, machinery, instrument, automobile industry, and has been widely used in aerospace field.In particular, thermoplastic resin, which is excellent in heat resistance, can be used as the base material of high performance composite materials.
modified
PEEK Plastics performance of the pure material is difficult to meet the different needs of different industries, in special working environment need to modification of PEEK Plastics, its main means blending modification, copolymerization modification, reinforced composite, infill modification, nanometer modification and surface modification technology.The modification can increase the performance of PEEK Plastics, such as wear resistance, impact strength, etc., thereby extending the application range of PEEK Plastics, reducing the cost of materials and improving the processing performance of PEEK Plastics.
Application
PEEK Plastics has been widely used in aerospace, automotive manufacturing, electronics, medical and food processing.
PEEK Plastics has excellent performance, its application field will be more widely with the domestic application research, the current domestic set up the chongqing sanxin materials research center is a professional engaged in the research of PEEK in the field of application.The research center is under the chongqing government entities at all levels of leadership and care, is committed to in the field of automobile, electrical and electronic fields, transportation research, in the present walk at the forefront of the domestic application research.
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