These are two of the main factors that you should consider when buying PVC sheets. When making the purchase, consider the size of the plastic sheet materials that you want. This should be informed by the area you want to use them. Also, pay close attention to the quality of the sheets. Just like when buying any other material, go for the highest quality of PVC that you can afford.Manufacturing of Plastic SheetPlastic Sheeting is made through the process of plastic extrusion. This is formed by means of a high range manufacturing process – melting and deforming a raw plastic that results to permanent file of plastic sheets.
The ranges of plastic products are compatible for the construction and engineering substances. Display sheets, prints, and signs have diverted into plastic sheeting. Special designs in fabrication of plastic sheets are in extensive service globally. These plastic products have different kinds of classification from window frames to outdoor roofing applications.Plastic sheeting is the best alternative for the more expensive steelThere are many types of plastic sheeting. The Acrylic Plastic Sheet combines the most reliable quality for the visor or helmet. It has the most precise optical clearness. The intensity of the color of this product combines a good illumination in a wide range of opaque colors, transparent and translucent.
You can create a design depending on your project because acrylic is easy to shape. It is blended well with tough hardness and finish surface and is resilient to chemical and weather. It is easy to clean and maintain. It is largely utilized for aquariums or tanks at homes or commercial establishments. Acrylic plastic is also best for exterior lenses of automobile headlights, among many other parts on autos.
These are used mainly in packaging purposes, cassette holder, pipes, tanks and linings, shells for seats and other automotive parts, containers and fibers.
Teflon is the trade name for PTFE (polytetrafluoroethylene), a polymer consisting of carbon and fluorine. Teflon was developed back in 1938 by a DuPont researcher named Dr. Roy Plunkett. The development changed the plastic industry forever.
Plunkett and his DuPont team created one of the most slippery substances that exist. PTFE is not only beneficial for its nonstick property; it offers many other great qualities as well. The polymer is resistant to high temperatures, chemical reaction, corrosion, and stress cracking. These traits allow PTFE to be used for many different purposes.
One common household use for Teflon or PTFE is cooking. Many kitchen supply brands market their Teflon pots, pans, and utensils. These products are safe and make cooking a lot easier. The non stick PTFE component guarantees your food will slide right off the pot or pans surface. Cooking sprays and grease are no longer needed when you cook and bake with a Teflon coded product.
Another at home use for PTFE is with beauty products. Nail Polish is commonly infused with Teflon to create a strong, crack free product. Once applied, the Nail polish will stick to your nails longer with chipping. Many hair styling products, like curling irons and flat irons are also made with PTFE. The non stick coating helps the tools glide smoothly through hair, unaffected by the high heat temperatures.
PTFE is also significant in the automotive industry. One frequent use is with windshield wiper blades. Manufacturers coat their wiper blades with Teflon so the well known "squeaky blade situation" does not occur.
A fourth public use of PTFE is as protection for carpets and fabrics. Carpets and fabrics that include Teflon are less susceptible to stains. The PTFE acts as a repellant to liquids so spills can be easily wiped off.
Besides household and personal use, PTFE is widely used in a variety of business industries. The Steel and Chemical Processing Industries are two prime examples. These industries need strong and reliable hoses and tubing to transfer highly caustic and corrosive chemicals. They work with high temperatures to produce their products or services and they have to have a means for withstanding the heat. Teflon is great since it is carries the heat resistant and corrosion or stress free characteristics. PTFE tubing and hoses deteriorates less rapidly than metal piping. Manufacturers are catching on to this cost saving technique.
As you can see, PTFE properties are endless. They assist us with day to day tasks like cooking, cleaning, and driving. They contribute to our beauty prepping. And, PTFE's play a major role in the processes of industries like the Steel and the Chemical Processing Industry. Plunkett and DuPont might not have realized just how far their development would go. They created a product that remains essential to many functions in society today.
Getting goods from A to B is hard enough. Finding the right way to carry those goods is another headache. Once, we loaded and unloaded goods item by item - those were the days when labour was cheap. Then the Second World War came. This mother of many inventions brought us the wooden pallet. This, combined with a fork lift truck, enabled goods to be moved quickly and with less labour.
Wooden Pallets
The wooden pallet was a great idea. So good was the idea that it is still going strong to this day. However, things have changed. Pallet pooling can be an expensive business. Rental and purchase costs have risen to reflect the increase in timber costs and the extra burden of fumigation and quality control.
Escalating fuel costs have taken their toll on the inevitable dedicated trips that are made to repatriate empty pallets when imbalances occur in the supply chain. These fuel costs - and driver shortages - have also forced an examination of the space and weight taken up by the ubiquitous pallet.
The pallet is a bit like the air that we breathe. It is all around us yet we don't see it. It is easy to forget the extra cost that the pallet adds to the value chain. Perhaps now the time has come when, in some eyes, the pallet has outstayed its welcome. Rather than being the carrier, is the pallet itself being carried by the value chain? Rather than wait for another world war, a ready solution has been found and is tried and tested. That is the Slip Sheet.
Enter the Slip Sheet
Slip sheets have been around for some time, especially in the
U.S. where the free market has always had the knack of taking the path of least resistance. European countries tend to prefer centrally planned systems and standardization. Slip sheets lack firmly agreed international standards and this may be one of the reasons why they have not been popular in Europe. The greatest reason is ignorance. Many simply have no understanding of slip sheets and how they work - so they don't bother.
So perhaps it's time to right this wrong here and now.
How Slip Sheets Work
1. Slip sheets are durable sheets of material that are designed to carry a uniform load of goods with plan dimensions (or "footprint") of roughly 1 metre square/40 inches square (typically they may be designed to carry a footprint of 40 inches x 48 inches - 1m x 1.2m). The slip sheet is made to these dimensions plus a pull tab - an extension to the sheet - of up to 6 inches/15cm. There may be just one pull tab sticking out from under the load on one side. There could, however be pull tabs on 2, 3 or all 4 sides. Slip sheets can be made of
fibreboard or plastic.
2. Goods are loaded directly onto the slip sheet within the creases that border any pull tabs. A push-pull attachment on a forklift truck is used to drag the load onto the truck by gripping (one of) the pull tab(s). The push-pull attachment has very flat ground-level forks that are designed to go under the
slip sheet whilst it is under load
3. To unload, the forklift truck pushes the load, complete with slip sheet off of itself and withdraws
Pros and Cons
Slip sheets are not the panacea to all distribution needs. For one thing, all parties in any supply chain will need to invest in the push-pull attachments, which are not cheap. The staff training that will be required, especially for forklift truck operators, can also be expensive. Perhaps the greatest factor, though, is the uniformity of the load itself. This exposes the slip sheet's greatest advantage - and greatest disadvantage. Slip sheets may not be able to cope when boxes are awkwardly shaped or where there is a mixed load of different shapes. Conversely, if a company is shipping out large quantities of the same sized box, then slip sheets are ideal. As such, slip sheets lend themselves to operations further upstream of the supply chain. As loads are broken down further downstream, then pallets may be more appropriate. The good thing is that loads of slip sheets can be easily transferred to pallets. A good example of the advantages of using slip sheets is where parts for goods are manufactured and shipped through a long distance sea route. The space and weight saving can result in a significant financial boost for the value chain.
Co-operative Value Chains
Another great factor in all this is uniformity of slip sheet systems. All parties in the supply chain need to be using the same specification of slip sheet and ensure that all staff are fully trained to ensure delivered loads are configured correctly for the receiving party. This requires value chains that are highly co-operative, or, to be realistic, it requires a value chain that has one dominant party who will simply dictate their requirements. The U.S. has pioneered slip sheets and has used them for many years. However, the dominance of the supermarket sector in some European countries may be forcing the change there also. The ability of large supermarkets to influence their supply chains means that they are in a position to take a strategic view of the benefits that slip sheets can bring. They are in a position to arrange for both senders and receivers to be ready to handle products on slip sheets. Things are changing. Perhaps the pallet industry is about to get a jolt.
Watch this space. There are tremendous savings to be made and significant environmental benefits to be gained. Full conversion to slip sheets for any supply chain is not going to happen, but a partial conversion for particular product lines is not only desirable, but inevitable - even in Europe.
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