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What is Bakelite? What is it used for?

Views: 0     Author: Site Editor     Publish Time: 2019-03-07      Origin: Site

Bakelitealso known as bakelite

Hot Shock Bakelite (Bright Orange/Black) Intermediate Electrical Insulation

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What is Bakelite? What is it used for?

Also known as bakelite board, phenolic laminated paperboard.The bakelite board is made of kraft paper or cotton cloth impregnated with phenolic resin to form semi-finished films one by one, and then pressed into a large finished product.So there is a distinction between paper and cloth bakelite.Because of its insulating properties, bakelite is mainly used as insulating materials, such as general fixtures, lamp gaskets, switch gaskets, etc...
Because of its characteristics of insulation, no static electricity, wear resistance and high temperature resistance, bakelite has become an insulating switch and variable resistor for electronic products, a mold for machinery and a fixture on the production line, and can be used in transformer oil and other products. .
Bakelite is a man-made synthetic chemical substance. Once it is heated and formed, it solidifies and cannot be molded into other things. Because of its characteristics such as non-absorbent, non-conductive, high-temperature resistance, and high strength, it is widely used in electrical products. Good electrical insulation and moisture resistance, often used in switchboards, electrical machinery parts.Hence the name.
The raw material price of bakelite products is nearly 50% of the price of ABS.Although bakelite products need to be heated to form during molding, the processing time is longer than that of ordinary plastics, and the wear of the mold is relatively high, which requires higher steel materials. However, because of its superiority in raw material prices, it is still the first choice for many plastic parts.

2. What is a cloth bakelite board?

Cloth Bakelite uses specially modified phenolic resin as the resin binder, and is made of pure cotton cloth as the reinforcement. It has excellent heat resistance and will not creep under high temperature. It is also made of Phenolic resin is formed by hot pressing, has good impact resistance and high mechanical strength, and is often used in the manufacture of gears, bearings, etc.Cloth bakelite has excellent mechanical properties. Its good toughness and impact resistance are suitable for gears, pulleys, etc. It is not only noise-free and wear-resistant, but also can extend the service life of mechanical components.



3. What is paper bakelite?

Paper Bakelite is the most common laminated board, the most widely used and the most used industrial laminated board.
phenol resin, paper base,Paper bakelite is made of high-quality bleached wood fiber paper and cotton linter paper as reinforcement, and phenolic resin produced by reaction of high-purity, fully synthetic petrochemical raw materials is used as resin binder. It has excellent Electrical, mechanical and processing properties!

Four.fiberglass board
fiberglass board akafr4 light board; glass fiber board; fr4 reinforced board; fr4 epoxy resin board; fr5 burning insulation board; epoxy board, fr4, fr5 light board; epoxy glass cloth board; circuit board drilling pad.FR4 is a code name for a flame-resistant material grade, which means a material specification that the resin material must be able to extinguish itself after burning. It is not a material name, but a material grade.It has high mechanical and dielectric properties, good heat resistance and moisture resistance, and good machinability.Sheet flatness is better than plasticTherefore, there are many types of FR4 grade materials used in general circuit boards at present, but most of them are composites made of so-called four-function (Tera-Function) epoxy resin plus filler (filler) and glass fiber. Material. Characteristics:High insulation, high temperature resistance, chemical resistance, high mechanical strength, good flatness.

5. Engineering plastics
engineering plastic Generally refers to plastics used as mechanical engineering materials.Plastic is a polymer material whose main component is synthetic resin.It can be molded into various products under the action of heat and force.Plastics are often added with curing agents, plasticizers, stabilizers, antioxidants, flame retardants, fillers, reinforcements, etc.There are two types of plastics, thermoplastic and thermosetting.Plastic has the characteristics of multi-function and less cutting process, and the energy consumption of synthetic plastic is much lower than that of metallurgy.
Phenolic plastic (PF) came out and was first used in daily necessities, and later used as electrical insulation parts and mechanical parts.Since then, polyvinyl chloride (PVC), polyethylene (PE), polystyrene (PS) and polypropylene (PP) have appeared.These plastics develop rapidly, have low cost, are widely used, and have large output. They are called general-purpose plastics and are widely used in construction, packaging, agriculture, furniture, and household appliances.In 1939, polyamide or nylon (PA) appeared. Due to its good mechanical and thermal properties, it began to be used as important mechanical parts such as bearings and gears, and was called engineering plastics.Later, propylene-butadiene-styrene (ABS) terpolymer, polycarbonate (PC) and polyoxymethylene (POM) came out one after another. Together with polyamide, they are called the four major engineering plastics.Subsequently, various engineering plastics with higher temperature resistance levels were commercialized one after another (see the table below).In fact, many general-purpose plastics are also widely used in mechanical engineering after modification such as filling, reinforcement, blending, copolymerization, grafting, and crosslinking.Phenolic (PF), epoxy (EP), unsaturated polyester (UP), polyurethane (PUR), polydipropylene phthalate (DAP), silicone and other thermosetting plastics are also used as engineering plastics (used Long fiber reinforced thermosetting plastics are important composite materials).

Engineering plastics are the most widely used in automobiles. In addition to simple molding process and high production efficiency, engineering plastics also have the characteristics of light weight, friction reduction, wear resistance, corrosion resistance, electrical insulation, transparency, vibration reduction and noise reduction.Through special modification, it can also have photosensitive, magnetic and conductive functions.They have been widely used!

  • Bakelite: Paper Bakelite is the most common laminate

  • Fabric Bakelite: Made of cloth Bakelite and cotton cloth as reinforcement

  • Bakelite:Phenolic laminated cloth rod, solid round rod, zero-cut processing customization

  • Bakelite:Good insulation, non-conductive, wear-resistant, acid and alkali resistance, easy processing characteristics


Bakelite


Cloth bakelite (medium coarse/fine cloth)
Cotton Phenolic Resin
Phenolic resin/ insulating paper
Product Description:
1. Sheet: dark brown-medium coarse cloth/brown-fine cloth
2. Round rod: dark brown (medium coarse cloth not repaired)
2. Pipe material: dark brown (please inquire separately)
★Features:
Fabric Bakelite ( Cotton) Brown This is made of insulating impregnated paper, the same as paper Phenolic resin It is made by hot pressing, but in terms of strength and toughness, the cloth quality is better than paper quality, and it has good impact resistance, high mechanical strength, high stability and toughness.
※Electrical property fine cloth is better than medium coarse cloth.
★Use:
Commonly used in the manufacture of gears, bearings, etc.


Muslin Bakelite


Muslin Bakelite Size


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