Some coils live in tough places. A motor in a busy workshop, a transformer that carries load all day, a winding packed inside a closed housing: all of these run hot. In such places the insulation on the wire decides how long the machine will last. You also want the coil to stay light and affordable. That is the job of a high temperature aluminum winding wire.
Aluminum Polyester Imide Wire 180 Class from Apple Insulated Wires Pvt. Ltd. is built for this work. We make it in Dadra, in the Union Territory of Dadra and Nagar Haveli, and supply it across India and abroad. This page explains what the wire is, what the 180 class rating means, where it is used, and how to choose it with confidence.
Aluminum Polyester Imide Wire is an enameled aluminum wire. A double layer of enamel covers the aluminum conductor. The base layer is polyester, and the top layer is imide. Together they give the wire insulation that handles much more heat than a single polyester coat.
The wire is rated for 180 class. That means the enamel is built to work at high temperatures, so it suits motors, transformers and coils that run hot. The coating also resists rubbing, chemicals and ageing from heat, which helps the wire last in hard industrial work.
Because the conductor is aluminum, the coil is lighter than a copper coil of the same job. This is useful in energy-efficient motor designs, where weight and cost both count.
You may also see this product called aluminum modified polyester imide wire 180 class, aluminium polyester imide wire, or enamelled aluminum wire 180 class. All of these names describe the same type of wire.
These are the main features of our aluminum modified polyester imide wire:
Rated for 180 class: the enamel is built for high working temperatures.
Double-layer enamel: polyester and imide layers give strong, lasting insulation.
Light aluminum conductor: it cuts the weight of the coil and of the finished machine.
Tough coating: it resists rubbing, chemicals and ageing from heat.
Good for fast winding: the coat holds up when the wire is pulled and bent many times.
Cost-friendly: it is an economical option compared with copper winding wire.
Every enameled wire has a thermal class. The class shows the heat level the enamel is built to handle in normal work. A higher number means the wire can work in hotter conditions. A 180 class wire can handle much more heat than a 130 class wire.
Heat is the main cause of ageing in winding insulation. A coil that runs hot for years slowly wears out its enamel, and the insulation can crack or thin. A wire rated for higher heat gives a wider safety margin. It helps the coil last longer under the same load.
The class is not a reason to run a coil as hot as possible. Estimate the real temperature your coil reaches under full load, and choose a class that sits comfortably above it.
This wire works best where heat is high but weight and cost still matter. Typical uses include:
Transformers that carry steady load
Electric motors in industrial machines
Motors that run for long hours in warm surroundings
Coils, chokes and other electromagnetic parts
Equipment in closed housings with limited airflow
Energy-efficient motor designs where low weight is important
Transformers work for long hours, often under steady load. That produces steady heat. Aluminum winding wire for transformers cuts the weight and cost of the winding, and the 180 class enamel gives the insulation a strong safety margin. The tough double coat also holds up during winding, when the wire is pulled and bent.
Industrial motors face heat, dust and long running hours. Aluminium winding wire for industrial motors needs insulation that resists rubbing, chemicals and heat ageing. The polyester and imide coat is made for exactly this, so the wire keeps its quality in hard conditions.
Strong heat resistance. The 180 class rating gives a wide margin for machines that run hot.
Lasting insulation. The double layer of polyester and imide enamel helps the coil keep its insulation through years of use.
Low weight. Aluminum is much lighter than copper. A lighter coil makes a lighter machine, which is easier to handle and ship.
Lower cost. Aluminum usually costs less than copper, which helps in large production runs.
Tough in winding. The strong coating holds up in fast winding, so you have fewer breaks and fewer damaged turns.
Good protection. The enamel resists rubbing and chemicals, so it stays sound during varnishing and daily use.
Both metals have their place. The right choice depends on what you build.
Choose aluminum when weight and cost matter most. Aluminum does not carry current quite as well as copper, so a 180 class aluminium magnet wire coil often uses a slightly thicker wire to carry the same load. For many motors and transformers, that trade is worth it.
Choose copper when space is very tight or when you need the best conductivity in a small coil. Our copper modi polyester wire 180 class offers the same heat class on a copper conductor, so you can compare the two directly.
If you are not sure, tell us about your design and our team will help. We make both.
A few simple checks will help you pick well:
Check the working temperature. Estimate the real temperature of the coil under full load. Choose a class that sits comfortably above it.
Think about the duty. Long hours and continuous load need more heat headroom.
Check the surroundings. Hot rooms, closed housings and poor airflow all raise coil temperature.
Size the wire properly. Aluminum carries a little less current than copper, so make sure the wire size fits your load.
Think about winding speed. A tough coating suits fast winding machines.
Ask us for help. We can adjust specifications to match your project.
For lighter duty, see our aluminum modi polyester wire 130 class. To view the full range, visit our super enameled aluminum winding wires page.
Good wire can still be damaged by poor handling. These habits protect the enamel:
Keep spools in a dry, clean place away from moisture and heat.
Store them away from oil and strong chemicals.
Avoid dragging the wire over rough or sharp surfaces.
Do not bend it sharply or pull it too hard while winding.
Use even tension so the enamel does not crack.
Make joints and connections with methods made for aluminum, since it needs different care than copper.
With over 25 years in the wire and cable industry, Apple Insulated Wires Pvt. Ltd. knows that makers need wire that behaves the same way in every batch. As an aluminum polyester imide wire manufacturer and aluminium polyester imide wire supplier, we treat small and large orders with the same care. Many buyers look for a 180 class aluminum winding wire manufacturer in India that can supply steady quality in bulk, and that is the service we aim to give.
Known standards: our enameled wires are made to IS 13730, IEC 60317 and NEMA MW1000.
Tested in our own lab: every product is checked in-house before it ships.
Made to your needs: we can adjust thermal class, insulation type and conductor size.
Clean processes: our work is RoHS compliant and eco-friendly.
Bulk supply: we supply large quantities at competitive prices.
India and export: we pack with care and prepare the documents needed for export.
Helpful support: our team is ready to answer your questions.
Aluminum Polyester Imide Wire 180 Class is a dependable choice for transformers, motors and coils that work under high heat. If you want to know the sizes available or need help choosing a class, our team will guide you. Call or message us on +91 9624471888. You can also write to info@applewires.com.
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