Polycarbonate Injection Molding

What is a Polycarbonate (PC)?

Polycarbonates are an amorphous thermoplastic. These polymers allow transmission of light; like as in a glass. An important feature is that they can be heated to their melting point, cooled and heated again without degrading itself. As PC can liquify, you can undertake injection moulding. They are resistant to heat and can be used with flame retardant materials also.

Uses of PC

They are an absolute necessity when you need resistance to impact and transparency. PC can be used across multiple industries. They are primarily used in different medical devices, digital compact disks, protective gear, eyewear and much more.

It is finding use with security agencies for mob control and finds its way into materials for protective visors and riot shields.

PC finds use in your car.  As it is flexible and heat resistant, PC is found in the internal focal points, radiator flame broils, entryway handles and front light bezels.

PC is also used in making nurseries and greenhouses. It is UV resistant, allowing in the sun rays but not allowing the UV rays.

What is PC Injection Moulding?

It is a manufacturing process to produce objects by inserting the molten PC into a mould.  Usually, the moulding temperature is between 270-320 degrees Celsius. It may decompose at high temperatures and cause defects like bubbles, black spots, etc. Typically, the injection pressure is controlled between 80 and 120 MPa.

Mould release agents should not be applied during this activity. The application of recycled materials cannot be more than three times, with application quantity limited at around 20%.

It can be used in the following:

·         Medical devices and labware

·         Electrical and electronic components

·         Enclosures

·         Industrial parts

·         Lighting

·         Lenses

Benefits of PC Injection Moulding

The benefits arise from the type of material that is moulded to give the end-product. The benefits of PC injection moulding comes from the characteristics of polycarbonates that are used in the process.

Easy to make. PC is lightweight but durable making installation so easy. You can even cut them with scissors, if necessary.

Versatile. You can be creative with the structures. You can easily shape igloos out of it. Go ahead with those fancy shapes in your mind.

Resistant to impact. Are you worried about breakage? The material can resist rain, hail and storms. It is resistant to flames and does not emit toxic gases when on fire.

Protects against harmful UV. They keep out the harmful radiation. They do not let the harmful rays into the glasshouses that are made of these materials.

Meagre costs. These materials are easy to carry and handle. You do not have to bear high handling costs and labour.

Few disadvantages

Toxicity. They are known to release Bisphenol A (BPA) during degradation. You need to make them BPA-free.

Chemical resistance. It has sensitive to chemicals. It deteriorates when exposed to organic solvents. They are very sensitive to abrasive cleaners, cleaning products and solvents.

Durability. It is prone to absorb odours and stress cracking.

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