This video will demonstrate the ease of working with King Plastic polymer sheets. From cutting to routing, welding, bending, fasteners and cleaning, this video tells the whole story.

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Plastic distributors and fabricators everywhere are discovering exciting new business opportunities when using polymer sheet stock.

Designed to last a lifetime, King StarBoard® ST sheets with not rot, splinter, swell, weaken or delaminate. If you are unfamiliar with using King StarBoard® ST polymer sheet stock no need to worry, the sheets are easy to fabricate using the same tools and techniques used in woodworking. Handled like finished plywood, with no finishing required polymer sheet stock can be bent, cut, routed, welded and so much more. The possible uses are endless with a product that works like wood.

Although King Plastic ST polymer sheets will not easily scratch, scuff or wear it is protected with a masking on one side to keep the sheet free from scratches.

King StarBoard® ST can be routed with hand held and CNC routers. CNC routers turn your CAD drawings into beautifully finished doors and trim quickly and efficiently.

High-speed steel or carbide tipped cutters quickly remove material leaving a crisp slick edge.

Door and drawer fronts can be contoured in nearly any shape, allowing you to transform an ordinary door into any design. You can also edge profile, mill and engrave polymer sheets when using a CNC router.

Hand routers can also be used to form edges, creating a smooth finished look.

King Starboard® ST can be cut with all types of saws. Band saws, circular saws, hand saws, table saws and jig saws.  

The optimum circular saw blade for cutting polyethylene is a 1/8” kerf, carbide tipped, 1.25 tooth per inch saw blade. Slower feed rates will minimize chatter marks on the cut edge. The surface of the material, which is in contact with the saw table or base should be protected by leaving the protective masking on the sheet. Cutting King StarBoard® ST sheets does not produce noticeable airborne dust.

Specially designed forming and bending heaters are available to heat a sheet of plastic for bending or forming into any desired angle. Cutting a V groove at the desired bend will make the angled bend much more precise and clean. These inexpensive, precision tools heat thermoplastic sheeting up to ½” thick for forming bends. The combination of variable temperature control and two heating surfaces adapts to a wide range of material sizes and thicknesses.

Forming a radius can also be done by using a heat gun. Use a back and forth motion across the length of the sheet both top and bottom until the StarBoard® ST is soft enough to start bending. Do not get the heat to close to the material as blistering may occur. And be aware the thicker the material the longer it will take to form a desired radius.

For the most secure part between two pieces of material it is a good idea to first make a butt joint. Then tack welds are produced when the hot tool is run along the seam where the 2 pieces of King StarBoard® ST are touching, producing a thin film of polyethylene joining the two pieces together. Tack welding is not strong and is used primarily for positioning to allow another fastening method to be used.

King StarBoard® ST can be welded using a plastic hot air welder. There are several types of plastic welders available. A polyethylene welding rod is required. The joints made with a plastic welder are as strong as the material itself and are highly recommended for edge joints. In some cases the plastic welding rod can be cut from the material to be welded, which allows for the weld joint to become virtually invisible.

Using a pocket hole jig is the best and fastest way to create strong plastic joints with concealed fasteners. Pocket joints are similar to dowel joints except that a screw is used and only one joint element has to be drilled. The holes are drilled at a shallow angle on the back of the piece. These shallow holes conceal the fastener and create a very strong joint.

When adding a counter-sink to the pocket joint, the two pieces of material are screwed together and the receiving piece of the material needs a space to expand into once the screw is set.

A pocket joint makes the assembled pieces tight and secure. Tack welding is done before the two pieces of material are screwed together.

Here a support beam is inset then extrusion welded for a secure bond, permanently welding the cabinet to the top.

When you’ve finished fabricating and assembling your components, simply ad your hardware and the cabinet is ready to install.

King Starboard ST material is self-lubricating so there is really no need for steel drawer slides.  But if you want a really secure attachment and a smoother feel stainless steel drawer slides work great.

Chemically resistant plastics like Polyethylene and Polypropylene are not meant to be glued. Adhesives that are not specifically made for these types of plastic will not effectively glue the plastics. Any glue that you use may have only limited-time effects.

Quality polymer sheets from King Plastic Corporation are ideal for all types of commercial and residential outdoor cabinets, furniture and storage, restroom partitions, signage, lockers – even antimicrobial furnishings for healthcare environments. King Plastic polymer sheets work like wood and last a lifetime.


There’s a Little Green in Every Color

Going green with King Plastic Polymer SheetsWhen producing our products, King Plastic uses processes that are non-polluting and conserve energy and natural resources, making it economically sound and safe for employees, communities and consumers. The polymers are completely recyclable and left over materials are recycled back into our products. When cutting or fabricating, there is no harmful dust, but instead small shavings that are recyclable. It contains no known harmful substances, including carcinogens or toxins. Off-gassing does not occur when the sheets are cut and fabricated. It is not necessary to use acids or harsh chemicals for finishing, cleaning, or maintenance. The outstanding durability of products made using our sheets maximizes product life cycles thus reducing the overall impact on our environment.

King Plastic Colorfast Environmentally Friendly Polymer Sheets

King’s polymer sheets stand up to thousands of uses and keep your bright ideas looking bright for years.  King ColorCore® and King ColorBoard® polymer sheets are the versatile, durable and colorfast to provide that competitive edge in your business you’re looking for. Both polymer brands are UV stabilized and waterproof for a lifetime of worry-free use in harsh outdoor environments. King ColorCore® and King ColorBoard® are also available in several gauges and a variety of matched colors. King ColorCore® unique PolyFusion™ process is a state-of-the-art technology that fuses contrasting layers of colors into a single homogeneous sheet. It is ideal for engraving to make indoor and outdoor signs, as a building sheet for playgrounds, and other recreational and industrial applications.

Using King products may qualify you for LEED Green building rate points.

For additional information, details and technical information please call King Plastic Corporation at 941-493-5502 or send us an email.


Does King StarBoard® require support when bearing a load?

The King StarBoard® Family of Marine Grade Polymers are strong, but they are not a structural material. When using these products, they must be supported by a load bearing framework.

Use King StarBoard® itself to brace your work.

A reinforcing rib of King StarBoard® can be attached under a spanning application such as a shelf or seat to add the necessary stiffness.

How can I add stiffness to my project?

To add stiffness to a King StarBoard® step tread or canoe seat, cut grooves under the King StarBoard® and install a U channel support brace.

Reinforcing pads of King StarBoard® can be attached under a spanning applications such as a swim platform to add the necessary stiffness.

To add stiffness to a King StarBoard® hatch or table, install reinforcing ribs on the bottom.

Is there any way to reverse sheet “pinking” or discoloration?

Reversing Sheet “Pinking” or Discoloration

Pinking, yellowing, discoloring, and gas fading are different names that describe color changes in polyethylene. The condition is strictly cosmetic and does not adversely affect the physical properties of the material. To reverse and remove the pinking condition, expose the material to U.V. for approximately 40 minutes. See Pinking Bulletin for details and prevention instructions.


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