KNOWLEDGE

material

We perform precision cutting (machining) of all materials called resins (plastics).
Resins used for industrial parts can be mainly divided into thermoplastic and thermosetting resins, and within thermoplastic resins, they can also be divided into general-purpose plastics, engineering plastics, and super engineering plastics.
Each material has a wide range of choices in terms of temperature used, sliding properties, lightness, price, etc., and it is often very difficult to choose the right material for a wide range of applications.
Here, we will explain the characteristics (functions, uses, etc.) of each resin (plastic) in each of the categories described in the material selection section.

01

What are commodity plastics?

It is a relatively inexpensive plastic and is widely used in a wide range of products from industrial goods to daily necessities. Although they are easy to process, they are weaker than other plastics in terms of moisture resistance, heat resistance, and mechanical strength, and they also expand and contract, so care is required when handling them.
Commodity plastics are used in everyday life because they are easy to plastic processing and inexpensive.

Below is a list of properties of typical commodity plastics for your reference.

Table of Physical Properties of General-Purpose Plastics


02

What is Engineering Plastic?

Engineering plastics are called high-performance plastics, and when compared to general-purpose plastics, they have properties such as higher heat resistance, weather resistance, oil resistance, and chemical resistance. They are also superior in strength, making them suitable for structural and mechanical components. Because of their high performance, they are more expensive than general-purpose plastics.

The following table summarizes the physical properties of typical engineering plastics.

Table of Properties of Engineering Plastics


03

What is a Super Engineering Plastic?

It has even better heat resistance than engineering plastics, and can be used at temperatures of 150°C or higher for extended periods of time. However, they are very expensive compared to other plastics.
The following table summarizes the physical properties of typical super engineering plastics.

Physical Properties of Super Engineering Plastics


04

What is thermosetting plastic?

They are used for insulation and other applications because they have better insulation and voltage resistance than thermoplastics, as well as heat resistance, strength, and chemical resistance. However, their impact strength and toughness are inferior to those of thermoplastics.
The following is a summary of the physical properties of typical thermosetting resins.

Physical Properties of Thermosetting Resins


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