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Hdpe Textured Sheet. FOB Price: Get Latest Price Business Type: Manufacturing No. of Employees: 100+ Annual Sales Volume: 50 – 100 Tags: Hdpe Sheets | Hdpe Thick Sheet | Hdpe Textured Sheet.
1. Types of HDPE Sheets 2. Earliest Origins 3. HDPE in Production 4. Quality Control of HDPE 5. Testing 1,2,3 6. Size Matters 7. Pertinent Properties 8. International Certification 9. African Stand The polymerisation of ethylene to form polyethylene This thermoplastic offering affords levels of versatility and malleability that surpass most other plastic-sheeting types on the market. And, certified by the Food and Drug Administration (FDA) as being safe for use in food processing due to its resistance to mould, mildew and acid. It is also widely recycled making it a material of choice for the eco-orientated. See full list on provprocure.com A variety of different types of HDPE sheet plastic can be produced, leading to numerous different applications and uses. While each of the grades below provides similar basic features and benefits that make them superior to plastic-sheeting materials like polycarbonate or acrylic sheets, they also each have their own unique characteristics. • Matte sheets:formulated for cutting boards due to their extensive lifespan and ability not to dull knives or harbour bacteria. These types of sheets are acid resistant, compliant with FDA regulations and approved by the National Sanitation Foundation of the US. • Smooth sheets:ideal for tank linings due to the ease with which they are fabricated and the fact that they feature superior chemical resistance, tensile strength and moisture/impact resistance. • Pipe-grade sheets:feature improved weight and performance when compared to standard HDPE sheeting, rendering this type perfect for outdoor applications. • Colour-core sheets:feature a coloured… See full list on provprocure.com In understanding the applications of HDPE sheets today, it is useful to have a complete background of the material’s origins. According to Science Direct, HDPE was introduced in 1962 by Manchester-based Sir John Charnley as a bearing surface in orthopaedics. Orthopaedic product Polyethelene is defined as a linear polymer of the simple ethylene molecule, synthesised as a fine white powder. Ethylene, on the other hand, consists of covalently bound carbons and pendant hydrogens. In manufacturing, polyethylene is created through polymerisation of ethene. The powder is moulded into sheets by means of a compression process, where the next steps involve electron beaming followed by annealing (heating to above the melting temperature, and allowing to cool slowly), followed by shaping. Last up, the polyethylene is gas-sterilised. Of interest to those in the medical field is that considerable research has focused on improving the performance of the material, as well as searching for alternati… See full list on provprocure.com The video above shows how HDPE sheets are manufactured, using a high-quality plastic extrusion production line at a company called GPM in France. The production process is best carried out at a high-volume fast turnaround facility, such as this, where extra-wide extrusion machines allow manufacturers to recycle up to 18 145kg of scrap HDPE plastic into cut sheets within any 24-hour period. Importantly, it is a manufacturing process that keeps HDPE scrap out of the landfill sites. See full list on provprocure.com The quality-control process of reputable plastics products. The graphic above shows the detailed, stage-intensive quality control process of finished polymer and plastics products. Although the process seems pedantic, it is essential that these stages are diligently followed so the end products conform to industry specifications. The process involves: • Identifying the characteristics, properties and flaws of the material; • Complying with all relevant national and international standards; and • Ensuring that the polymeric materials produced meet clients’ safety, environmental and ageing requirements. Also, see ‘International certification’below. See full list on provprocure.com When vetting a supplier of HDPE sheets, it is wise to ensure that the prerequisite tests have been carried out during production. As these are comprehensive, it may help to have a checklist in place. Reputable manufacturers will be able to supply results for: Melt flow; melting, processing and deflection temperature; extrusion; moulding pressure range and shrinkage; tensile strength and yield; elongation at break; compressive and flexural strength; tensile and compression modulus; Izod impact; hardness; shore; specific gravity; and water absorption, among others. Also remember that there is a distinct difference between quality assurance (QA), which is process orientated and shows that a manufacturer has done things in the right way, versus quality control (QC), which makes sure the results are what was expected or, indeed, required. See full list on provprocure.com Reputable manufacturers are able to produce almost any sized HDPE sheet, even up to 96” x 240”. They should also be equipped to cut or machine to size, resulting in any desired shape, thereby producing a superior-quality material that abides by all the necessary quality controls. See full list on provprocure.com While HDPE is known for its high strength-to-density ratio – which can range from 0.93 to 0.97g per cm3 (or 970kg per m3) due to its reduced branching at the molecular level – its physical properties can vary depending on the moulding process employed. Here again, a determining factor in any HDPE sheet’s quality would be the rigorous international quality controls applied after manufacturing. See full list on provprocure.com Automobile pioneer Henry Ford said, ‘Quality is doing it right when no one is looking.’ And this applies most certainly in the realm of HDPE sheets