Electrostatically Sprayed Thermoplastics

Electrostatically applied thermoplastic powders

Technology | Coating Performance | Benefits of Using PCL | Features | Typical Components

The spraying of thermoplastic powders
(including PPA®, Talisman®, Rilsan® and nylon) is a speciality at Plastic Coatings Ltd.

Electrostatically Sprayed Thermoplastics, as opposed to the more common electrostatic spraying of epoxy, epoxy polyester and polyester (also known as thermoset materials), this service is designed to provide our customers with a durable thermoplastic coating.

Plastic Coatings is an established industry name for the provision of coating solutions.

We operate within a number of industries and sectors, including automotive, construction, street furniture, sports, and more.

We offer a highly accredited service and cutting-edge facilities to undertake coating operations on all types of projects and project volumes.

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Technology

The process of electrostatically sprayed thermoplastics is similar to powder coating. During this process, electrostatically charged thermoplastic powder particles are sprayed onto the substrate (component) which is earthed via its hanging point on the conveyor track. At this stage, the particles of powder are held on to the substrate (component) purely by the induced (electrostatic) charge.

Both component and powder are then stoved in accordance with best practice and the powder manufacturers’ technical guidelines, ensuring full melt and flow is achieved. The material does not chemically cure like a thermosetting powder, it simply flows into a smooth and very durable coating film when heated.

To give our customers full confidence in our abilities to carry out these processes robustly, our systems are regularly verified by the leading powder manufacturers. This is demonstrated through our Plascoat Systems/ Axalta Approval.

Coating Performance

The performance of any coating depends upon the pretreatment specified and all coatings should be considered as part of a coating system. Pretreatments include abrasive blasting (grit blast, sand blast, shot blast), conversion coatings (zinc phosphate, zirconium phosphate, iron phosphate, tri-cationic phosphate) and primer coats (zinc rich polyester, epoxy barrier primer, e-coat or electrophoretic coating).

Plastic Coatings Ltd is able to offer all of these treatments and more as in-house services and therefore can tailor a process to suit your technical requirements while providing a cost-effective solution.

Coating performance is often measured in Salt Spray Resistance hours. Expected performance of a thermoplastic powder coat system could be upwards from 100 hours to well over 5000 hours with PPA material and a comprehensive pretreatment system.

Axalta has documented performance data on thermoplastics in harsh environments where the coating system has lasted over 20 years without the need for maintenance through repainting, for example.

Benefits
of Using PCL

Further to the treatments mentioned here, we also have in-house coating stripping facilities. This means that we can often support your coating refurbishment requirements too (the success of this process is subject to the condition of the parts requiring treatment/refurbishment).

Coating materials used are the PPA® range, Abcite® range and Electrostatic Nylon 11 and Nylon 12 (Rilsan®, Nylon PA 11 and Nylon PA 12).

Features
& Typical Components

Features:

Thicker coatings than traditional powder coating

Excellent corrosion resistance

Good abrasion resistance

Good impact resistance

Excellent weather resistance

Flexible

Warm to the touch

Excellent UV resistance

Good edge coverage

Easy clean

Typical Components:

Stadia seating

Rainwater gutters and downpipes

Roof rack components

Outdoor wirework

Garden equipment

Industrial roof insulation supports

Display equipment

Handrailing

Security posts

Barriers

Industrial/ commercial roofing fall arrest and outlet/ ventilation components

Filter screens/ frames

Vehicle underbody components