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The characteristics of pc material bai are: 1. Amorphous material, good thermal stability, wide molding temperature range and poor fluidity. zhi absorbs little moisture, but is sensitive to water, so it must be dried. Molding shrinkage is small, melting cracking and stress concentration are easy to occur, so molding conditions should be strictly controlled, and…
29
Jul
Jul
English name: Polyoxymethylene(Polyformaldehyde) Chemical name: Polyformaldehyde A kind of synthetic resin, also known as polyoxymethylene resin, POM plastic, Saigang material, etc.; it is a white or black plastic particle with high hardness, high rigidity and high wear resistance. Mainly used in gears, bearings, auto parts, machine tools, instrument internals and other products that play a…
25
Jul
Jul
There are many types of zinc alloys. In addition to casting zinc alloys are classified according to processing methods, they can also be classified according to composition, characteristics and uses: (1) Classified by alloy composition: Zinc alloys can be divided into four categories according to composition, namely Zn-Al series, Zn-Cu series, Zn-Pstrong series and Zn-Pstrong-Al…
25
Jul
Jul
Titanium is a new type of bai metal. The performance of titanium is related to the content of impurities such as carbon, nitrogen, hydrogen, and oxygen. The purest titanium iodide contains no more than 0.1% dao, but its strength and plasticity are low. high. The performance of 99.5% industrial pure titanium is: density ρ=4.5g/cubic centimeter,…
16
Jul
Jul
1. The type of raw materials used for plastic processing in Guangdong: PET/PVC/PS; material characteristics: PET has a high melting point, good toughness, high transparency, high strength, anti-static, and environmental protection; PVC has good toughness, transparency, and can be used for surface treatment; PS Environmental protection, high strength, easy to break, and good thermoforming performance;…
15
Jul
Jul
Application of raw magnesium The application of primary magnesium is mainly concentrated in the production of magnesium alloys, steelmaking desulfurization, and also used in rare earth alloys, metal reduction, corrosion protection and other fields. Many steel mills use magnesium for desulfurization. The desulfurization effect of using magnesium particles is better than calcium carbide. The use…
15
Jul
Jul
Stainless steel is divided into martensite and austenite, ferrite and duplex. 1. Martensitic chromium stainless steel is mainly low-carbon or high-carbon steel with chromium content in the range of 11.5%-18%. Designations 403, 410, 414, 416, 416 (Se), 420, 431, 440A, 440B and 440C, the corrosion resistance of these steels comes from “chromium”. The martensitic stainless…
What is the most commonly used material for 3D printing? It is estimated that the first material that comes to mind in the 3D printing industry is photosensitive resin. Photosensitive resin is a kind of 3D printing material. It is similar to ABS material. It has a smooth surface and high precision. The surface can…
13
Jul
Jul
1 Carbon structural steel: Q195-Q195F, Q195b, Q195, Q215-Q215AF, Q215Ab, Q215A, Q215BF, Q215Bb, Q215B, Q235-Q235AF, Q235Ab, Q235A, Q235BF, Q235Bb, Q235B, Q235C, Q235D, Q255-Q255A, Q255B, Q275-Q275 2 Low alloy high strength structural steel: Composition of general low alloy high strength structural steel grades Q295-Q295A, Q295B, Q345-Q345A, Q345B, Q345C, Q345D, Q345E, Q390-Q390A, Q390B, Q390C, Q390D, Q390E, Q420-Q420A, Q420B,…
12
Jul
Jul
Chinese copper processing materials can be divided into: ordinary copper (T1, T2, T3, T4), oxygen-free copper (TU1, TU2 and high-purity, vacuum oxygen-free copper), deoxidized copper (TUP, TUMn), adding a small amount of alloy Elements of special copper (copper arsenic, tellurium copper, silver copper) four categories. The electrical conductivity and thermal conductivity of red copper is…