Differences between pc material and pbt material
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List of contents for this article:
- 1、What materials are used for the plastic of energy-saving lamp base
- 2、How to distinguish the material of electric fan blades?
- 3、What are the types of plastic raw materials? How to distinguish each raw material? What are the commonly used materials?
What materials are used for plastic for energy-saving lamp base
1. According to materials: PP, PC, PBT PP materials are very soft and are mostly used for low-end products. PC material belongs to high-end products with surface light. PBT material is a high-end flame retardant material with smooth surface and matte matt surface. Usually high-grade energy-saving lamps with PBT,(high temperature resistance), flame retardant; there are PC, ABS, etc., ABS flame retardant and non-flame retardant, the price is also the most expensive PBT. ABS is the cheapest, and some use recycled ABS to minimize costs.
2, other uses: PBT can also be used for energy-saving lamp base and shell, skate sole, relay shell, socket, switch, tuner shell, food processing blade, vacuum cleaner components, electric fan, hair dryer shell, coffee ware and other occasions. Drying treatment: PBT material is easy to hydrolyze at high temperature, so it must be dried before processing.
3. The filament of traditional incandescent lamps is made of tungsten wire, encapsulated in a glass bulb and filled with inert gases such as argon to prevent high-temperature oxidation. Most lamp caps are metal threaded interfaces for easy installation. The core of the LED lamp is a semiconductor chip (such as gallium nitride material), the base is made of an aluminum alloy radiator, and the outer layer is covered with a plastic lampshade. The driving power supply includes a rectifying circuit board, and some high-end products will incorporate intelligent dimming modules.
How to distinguish the material of electric fan blades?
Fan blade materials can be comprehensively identified through dimensions such as appearance, feel, weight, knocking sound and practical scenes. Common materials are mainly divided into three categories: plastic, metal, and wood, and the characteristics of different materials differ significantly.
The material of fan blades can be identified by appearance, feel, weight, combustion experiments and other methods. The characteristics of different materials are obviously different and need to be judged based on actual scenes. Identification of plastic blades with appearance characteristics: smooth surface but soft texture, common transparent, translucent or colored injection molding textures, and some low-end products will have slight burrs;ABS plastic blades have good toughness and a crisp sound when knocked;PP plastic blades are softer, easy to deform at high temperatures.
Plastic material: The most common 90% of fans on the market use plastic blades, and the most common ones are PP (polypropylene) and ABS resins. You can observe the edge of the blade when identifying: there are fine mold lines on the edge of the injection molded plastic blade. If you flick your fingers lightly, it will make a dull "tap" sound. If you press it with your nails, it will cause a slight dent but rebound immediately. Plastic blades are usually printed with material codes such as [PP] or [ABS] on the back.
The material of fan blades can be identified through multiple dimensions such as appearance, feel, and performance. Common materials include plastic, metal, wood, carbon fiber, etc. The characteristics of different materials have obvious differences in the characteristics of plastic blades: most of them are injection molded, the surface is smooth and There are mold clamping lines, the color is uniform (such as white, black, color), and some will be matte or matte treated.
It has high transparency and good liquidity, but has poor fatigue resistance and is easy to be brittle. It is suitable for occasions with high requirements for transparency. PP material: Light and heat resistant, suitable for disinfection and use, but low-temperature impact and aging issues need to be paid attention to, and its performance is not as stable as ABS. When selecting, comprehensive consideration should be made based on the use environment and personal needs of the electric fan. At the same time, with the improvement of environmental awareness, the rise of recycled materials has also provided a new direction for the selection of fan blade materials.
At present, most of the materials used for fan blades are PBT, PC, and ABS. There are others, but not many. They can be distinguished in appearance, but some special ones are also different. For example, PC materials generally use transparent fans, and the appearance is relatively smooth. ABS and PBT look similar in appearance, but ABS material is relatively brittle. PBT material is used most. Like some fan manufacturers with better brands, ordinary fans use it.
What are the types of plastic raw materials? How to distinguish each raw material? What are the commonly used materials?
1. In practical applications, several commonly used materials include PA6POM, PBT and PC. PA66 is often used to manufacture gears, bearings, etc. because of its excellent mechanical properties and chemical resistance. POM is suitable for manufacturing precision parts due to its wear resistance and low friction coefficient. PBT is suitable for use in the electronic and electrical industry due to its heat resistance and size stability. PC is widely used in optical components and medical equipment because of its high transparency and good weather resistance.
2. Plastics can be roughly divided into two categories: thermoplastic and thermosetting. Thermoplastic plastics are further divided into general purpose plastics, engineering plastics and advanced engineering plastics. There are many types of plastic raw materials on the market, and the number may exceed hundreds. There are many ways to distinguish types of plastic. Normally, experienced professionals can make preliminary judgments based on observations and hand feeling.
3. What are the types of plastic raw materials? How to distinguish? There are many types of plastic raw materials, and there are currently about 300 kinds of plastics in production around the world. Plastics are usually classified based on their chemical structure and properties, and are mainly divided into two categories: thermoplastics and thermosetting plastics: -Thermoplastics: The molecular structure of these plastics is linear and will soften or melt when heated. It can be molded into a certain shape and hardens after cooling.
4. There are many types of plastic raw materials, mainly including the following types: Plastic particles: This is the basic raw material for plastic manufacturing. Common ones include polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polycarbonate (PC), etc. These plastic particles have different physical and chemical properties and are selected as needed to create plastic products with different properties and uses.
5. Commonly used to manufacture electrical insulation parts, brake pads, etc. In general, the classification of plastic raw materials is mainly based on their behavioral characteristics after heating. Thermoplastics can be repeatedly heated, softened and cooled and hardened, and are suitable for applications where recycling or shape change is needed; while thermosetting plastics are cured after heating, and are suitable for applications where stable shapes need to be maintained. These two types of plastics are widely used in daily life, industrial manufacturing and other fields.
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