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How many kinds of PCB classification are there? (2)

二、 the product is soft and hard

1, hard plate:

Hard board is a sheet made of PVC as raw material. PVC hard board is widely used in industry, especially in chemical industry.

PVC is a kind of acid, alkali, salt resistant resin, because of its good chemical properties and relatively low price, widely used in chemical, building materials, light industry, machinery and other industries.

 

2, soft plate:

Soft PVC extruded sheet is made of PVC resin by adding plasticizer, stabilizer and so on.

Mainly used for acid, alkali and other anti-corrosion equipment lining, can also be used as general electrical insulation and sealing gasket material, the use temperature is -5 to +40℃, can be used as a rubber plate instead of products, widely used belongs to the new environmental protection products.

3, soft and hard combination plate:

The birth and development of FPC and PCB gave birth to a new product of soft and hard combination board. Therefore, the combination of soft and hard board, is the flexible circuit board and hard circuit board, after pressing and other processes, according to the relevant process requirements combined together, formed with FPC characteristics and PCB characteristics of the circuit board.

 

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文章From:http://www.smt33.com//te_news_media/2021-09-10/33363.chtml