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Technical document

Advantages and disadvantages of PA12 plastics

2023-12-06 10:13:44 hooren

Polyamide 12 (PA12) is a long-chain polyamide that belongs to the Nylon family. It occupies a place in engineering plastics because of its unique physical properties and excellent processing properties. Here are the pros and cons of PA12:


Advantages:


Good chemical resistance: PA12 has good resistance to oils, lubricants, fuels and many solvents, and is suitable for use in environments with chemical contact.


High impact resistance: PA12 has good impact over a wide temperature range, maintaining strength and toughness even at low temperatures.


Excellent aging resistance and wear resistance: This makes PA12 suitable for use in demanding situations such as long-term use or external environmental exposure.


Low water absorption: PA12 has a lower water absorption rate than other types of nylon, resulting in its dimensional stability and mechanical properties less affected by humidity.


Good ultraviolet (UV) resistance: PA12 performs well in outdoor applications due to its excellent UV resistance.


Lightweight materials: PA12 has a low density and is suitable for applications where lightweight design is required.


Good processing performance: It can be processed by injection molding, extrusion and other methods, suitable for the production of precision small parts.


Cons:


Higher cost: PA12 is relatively expensive compared to other types of nylon or other thermoplastics.


Low strength and stiffness: Compared with some nylon materials, such as PA6 and PA66, PA12 has slightly lower mechanical properties.


Sensitivity to temperature: Although the low temperature resistance is good, but it is still more sensitive to high temperature, continuous high temperature performance will be affected.


Need to dry: Before processing, PA12 must be sufficiently dried to prevent processing problems caused by moisture, such as bubbles or melt breakage.


Because of these characteristics, PA12 is often used in the automotive industry, electronic parts, medical equipment, sports equipment, aerospace and other fields. Design engineers will determine whether PA12 is a suitable material choice based on the requirements of the specific application, cost budget and product life.

injection mould


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