The new assembly center is located in the Jiading Industrial Zone in Shanghai, seven times the 2005 phase of the Sandvik Mining Engineering Machinery in Shanghai. The assembly center will provide Sandvik with products in the global market and become the assembly and logistics hub for Sandvik's global mining machinery and engineering machinery.
Sandvik entered China in 1985 and China has now become one of its largest markets. The relevant person in charge of Sandvik said that the fast-growing Chinese market is of great significance to the group, because even in difficult times, Sandvik won more than “normal operation†in China, but it is a valuable “positive developmentâ€. ".
PPO plastics (MPPO)
(polyphenyl ether)
English name: poly(phenylene oxide)
Weight: 1.07 g/cm3 molding shrinkage rate: 0.3 0.8% molding temperature: 260-290 ℃ drying conditions: 130 ℃ for 4 hours
Material performance 1, for white particles.The comprehensive performance is good, PPO plastics can be used in 120 degree steam, electric insulation is good, absorb water is small, but have stress crack tendency.Modified polyphenyl ether can eliminate stress cracking.
2. Excellent electrical insulation and water resistance, good dimensional stability.Its dielectric properties are the first in plastic.
3. PPO plastics has mixed the modified materials for PPO plastics and HIPS, and the materials on the market are now made of this material.
4. High heat resistance, 211 degrees of vitrification temperature, 268 degrees of melting point, and the decomposition tendency of heating to 330 degrees. The higher the PPO plastics's content, the better the heat resistance, and the heat deformation temperature can reach 190 degrees.
5. Good flame retardancy, self-interest, and with HIPS mixed with moderate flammability.Light and non-toxic can be used in food and medicine industry.The resistance to rotation is poor, and the use of long time in the sun will change color.
6. PPO plastics can be combined with ABS plastics ,HDPE plastics,PPS plastics ,PA plastics, HIPS plastics, Glass Fiber, etc.1. Suitable for heat resistant parts, insulation parts, wear resistant parts, transmission parts, medical and electronic parts.
2. The parts can be used in high temperature, such as gears, blades and valves, which can be used for stainless steel.
3. Make screws, fasteners and fittings.
4. Electrical components of motor, rotor, casing and transformer.
1. Non-crystalline material, small moisture absorption.
2. The fluidity difference is similar to Newton's fluid, the viscosity is sensitive to the temperature, the product thickness is generally more than 0.8mm.It is very easy to break down and decompose into corrosive gases.The molding temperature should be strictly controlled, the mould should be heated and the flow resistance should be small.
3, Polyphenylene oxide, bibulous rate is about 0.06% less, but traces of water will lead to product surface not smooth phenomenon such as silver, it is best for dry processing, temperature is not higher than 150 degrees, otherwise the color will change.
4. The forming temperature of polyphenyl ether was 280-330 degrees, and the forming temperature of modified polyphenylene ether was 260-285 degrees.
Sheet specification: thickness from 2mm- 120mm, specification 600* 1200mm, other color and specification can be customized
Bar specification: diameter from 10mm- 200mm, length 1000mm, other color and specification can be customized.
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