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ALTERNATIVE PLASTIC PIPE OPTIONS. LDPE and HDPE are thermoplastic materials under the family of polyolefins, which are petrochemical-based plastics that include polypropylene (PP) and polyethylene (PE).Polyethylene is the most common plastic material in the world and is known for its simple structure, the simplest of all polymers commercially available.. In recent times, HDPE pipes got their extensive uses for carrying potable water, hazardous wastes, various gases, slurry, firewater, stormwater, etc. The strong molecular bond of HDPE pipe materials helps . . In the US alone, 7.3 billion pounds of propylene were produced back in 2017, which . PVC and HDPE share common characteristics. PVC vs. HDPE. These HDPE resins can be used in blow-molded bottles for everything from milk and pharmaceuticals to automotive fluids and agricultural chemicals. PVC pipes have a rating of one in 48,650 events; HDPE one in 10,000,000 events. . HDPE double-wall corrugated pipe is common HDPE pipe. Compared to other vinyl types, this is perhaps the strongest. Uses of Polypropylene and Polyethylene: Every day we have contact with PP or PE. The white polyethylene(PE) pipe is produced with pure material by adding white masterbatch or no masterbatch during the production process . HDPE pipe is a high-density polyethylene pipe. Higher cost than polypropylene. While they are both plastic products, HDPE is a more flexible and ductile pipe material. - Low temperature impact HDPE can withstand 20 years or more of the sun's UV rays, while PVC may not last three years. The connections and joints of HDPE pipe have inherent structural integrity, unlike ductile iron . Our pages feature a Plastic Pipe Size Chart for a variety of pipes capable of being joined by heat fusion - Polyethylene, Polypropylene, and Polybutylene. Because HDPE has a lower density, it can be more rigid. When properly specified, installed and inspected, concrete pipe and flexible pipe have the ability to deliver joint integrity and watertightness. Generally, the raw materials used for white polyethylene(PE) pipes and black polyethylene(PE) pipes on the market are polyethylene resins, and the difference in color is whether or not a black masterbatch is added.. 1. Schedule 20 (Sewer & Drain Pipe) : Available in 4" & 6" only. Both are made of plastic and both are lightweight, corrosion-proof and resistant to bacteriological and chemical buildup. One of the distinct advantages of PVC is it's cheap than galvanized steel and sometimes against HDPE. The appearance of the original HDPE is milky white and the thin section is translucent to a certain extent. Collectively under the polyethylene class of materials, LDPE (low-density . So, a PVC pipe system exposed to fluctuating external or internal temperatures is better protected from possible damage caused by pipes shrinking and expanding. Thanks to its lower density, though, PP, can be used when moulding parts with lower weight. HDPE pipe is strong and durable, which is . Summary: 1."PP" stands for "polypropylene" and "polypropene"; "HDPE" stands for "high-density polyethylene.". Click any of the links below to view the chart for that particular pipe. It couples advanced polypropylene resin technology with a proven, dual wall profile design for superior performance and durability. A recent study has also found that PVC pipe can have a projected lifespan of 100 years, making both extremely long-lasting pipe materials. PP vs. HDPE HDPE Material. Polypropylene corrugated pipes with double wall for underground sew-age pipes, without pressure, are producced according to SR EN 13476-3, . Polypropylene has the following peculiarities: resistance to high temperatures (peak up to 110 C), lightness (density less than 1g /cm), possibility of joining by thermofusion, high . Polymers are macromolecules formed from a number of small molecules known as monomers. 4.The melting range of PP is 160-166 degrees Celsius; HDPE can withstand temperatures as high as 120 degrees Celsius. HDPE (High Density Polyethylene) vs Polymer PTFE/FEP Machining. Polypropylene. PP has a lower density than HDPE and is therefore best used for lower weight molded parts. PE pipe is a general polyethylene pipe. Plastic bags and cling film are all PE. PVC and polypropylene piping: a direct comparison. The installation process for HDPE pipe is straightforward, as plastic pipe is flexible and can be quickly fused. Just about everyone probably has something made of propylene in their households. . PVC is a vinyl polymer wheres, and HDPE is a thermoplastic made from petroleum. HDPE pipe is often used to transport water and other utilities. Less rigid and resistant to chemicals than polypropylene. However, HDPE is more durable than PVC, especially in extreme weather conditions. Lightweight, easy to transport. Both fare pretty well in high temperatures. 3. HDPE versus PP Pipe Material Data Comparison Relevant Material Data for internal PT plastic ducts HDPE PP Norm Unit Values Values Density ASTM D 1505 0,95 +/- 0,01 0,90 +/- 0,01 Elongation at yield stress ASTM D 638 % >8 >10 Elongation at break ASTM D 638 % >800 >120 . Readily available in convenient locations to service local projects. 3. Fatigue and Water Hammer Temperature per centigrade continuously throughout the day and night: Standard: Name of pipe polymer: 20: 40: 50: 60: 70: 80: 90: 95: ISO 12230: PB: Mpa 13/6 An HDPE pipe is a type of plastic pipe that is made from high-density polyethylene. HDPE pipe is a flexible plastic pipe made of thermoplastic high-density polyethylene widely used for low-temperature fluid and gas transfer. By analyzing some characteristics of polypropylene and PVC pipes, the differences can be better understood. The material is also moisture, stain, and odor-resistant, and is FDA approved for use in the food processing industry (mainly for cutting boards). These poly bags delay evaporation and dehydration to preserve the freshness and taste of packaged foods. This type of pipe has many applications. Below is a comparison of physical properties of the two types of pipe and their reactions to various conditions. The pipes made from HDPE have a smooth ID and maintain their flow capability very well over time - even after years of use, the overall performance and integrity of pipes will not degrade (at least substantially. Thus the key difference between HDPE and PP is that the HDPE is made with ethylene monomer whereas PP is made with propylene monomer. Or injected molded containers like microwaveable food trays, dairy cups/tubs, storage bins, and paint buckets. Reduced installations costs. Comparison of the life and resistance of the plastic pipes against temperature according to global standards. Installation HDPE can be installed in the following ways: Open trench Directional bore Horizontal bore Drop burial 2.It is made from propylene; HDPE is made from petroleum. Even injection or compression molded caps, closures, and fitments. It's a common polymer used for packaging mainly plastic bags, films, bottles and geomembranes. A lighter pipe means that you can move and install the pipes more easily. Like HDPE, Polypropylene offers good chemical resistance. On the other hand, polyethylene or PE pipe is the most common and widely used plastic globally. Key Difference - HDPE vs PP HDPE is high-density polyethylene while PP is polypropylene. Pipes made of PVC are less sensitive to thermal expansion (elongation) than PE pipe. It is especially well suited to trenchless techniques such as directional drilling and pipe bursting where there may be a risk of damage to the pipe during installation. UV resistance, though, is poor; if it is stabilised with additives, it can be improved. Polypropylene bags are great for the following industries food, electronics and electronics manufacturing, hospitals, agriculture, and more. While HDPE pipe cost is generally lower than that for RCP, the installed condition of flexible pipe can be more costly. HDPE is more resistant to salt, sand, dust, and corrosive materials. PLASTIC VS COPPER WATER PIPES: THE PRO'S AND CON'S OF DIFFERENT TYPES OF PLUMBING PIPES. Structure supports typical construction and long term loading. Double wall corrugated pipes made from polyethylene (HDPE) for indus-trial and civil systems for fluids without pressure are produced accord-ing to SR EN13476 -3, cover a wide range of sizes, from 160 to . Extreme strength and durability. HDPE can handle season stress (heat and cold). 4. There are some drawbacks to polyethylene, especially when looking at polyethylene versus polypropylene. Polypropylene (PP) is a polymer made from the monomer propylene. Its melting point ranges from 266 degrees F to 340 degrees F. PVC stands for polyvinyl chloride, and like HDPE it is a type of plastic. Significantly, HDPE pipes are durable and flexible and can be used for more than 50 years without any complications. 5. From the perspective of production. This high-performance polypropylene (PP) pipe is the perfect choice for gravity-flow storm drainage applications and when premium joint performance and/or greater pipe stiffness is required. Resistant to chemicals, abrasion, hot soils, and effluent. High-Density Polyethylene (HDPE) sheet is extremely strong against impact, abrasion-resistant, and exhibits a low coefficient of friction. What differentiates PP from HDPE or High Density Polyethylene is varying density, temperature, and UV resistance. HDPE / Polypropylene Pipe Benefits. That's why it's also a known material for pipes and pipe fittings. and Chemical Resistance Polypropylene has good chemical resistance like HDPE but it has poor UV resistance -unless it is stabilized with additives. Fittings for many types of pipes available either up to 12" in stock or by special order. Some of the bigger differences include: Lower melting point than polypropylene. While ductile iron pipe is flexible, durable and has a long service life, there are several advantages to using plastic pipe instead. If you were looking for PEX, PVC or CPVC pipe sizes here, please consider moving to the Plastic Pipe Sizes Pages on . HDPE has a projected service life of 50 to 100 years, depending on application, design, and installation. It is a thermoplastic that is second only to polyethylene in terms of the rate of global production. 3.The crystallinity of PP is less than HDPE. Both can be used in many of the same applications and shipping and installation methods are similar. HDPE Pipes vs. PVC Pipes Under Different Conditions. Flexibility - requires less joints and fittings. HDPE is a natural gas-based thermoplastic, and PVC is a vinyl polymer. PE (polyethylene plastic) is the most basic kind of plastic. Heat distortion of PVC begins to occur at temperatures over 60C (140F) and excessive exposure to . Coated HDPE PE100 pipe has a co-extruded harder outer layer, usually of polypropylene, to protect the PE100 itself in installation conditions that are more severe. When comparing failure rates when exposed to situations like stress, rain, wind, heat, or cold, HDPE stands out. SDR35 : Available in sizes 4", 6" and 8", other sizes can be special ordered upon request. HDPE pipe and its fittings also have a variety of applications when it comes to excavating oil, or other fluids. Flexible and Fatigue Resistance: HDPE pipe can be bent to a radius 25 times the nominal pipe diameter. Generally, PP plastics are stronger, clearer, and more expensive than their PE plastic counterparts. According to research by the Plastic Pipe Institute, HDPE pipe can exceed the conservative 50-year life expectancy generally assigned to it and can have a lifespan of over 100 years. 4. This also translates to reduced freight costs and a smaller environmental footprint. PEX (cross-link polyethylene) is another popular type of plumbing pipe. HP Storm Dual Wall Pipe. Polypropylene is used to make bottles, hinges, packaging materials, parts for automobiles, clear bags, ropes, rugs, roofing membranes, geotextiles, erosion control mats and so much more. LLDPE is the most optically clear with HDPE being the least opaque. HDPE has a working temperature of 212 degrees F to 200 degrees F. Polypropylene has a melting point between 266 degrees F to 340 degrees F. U.V. While it is better than PVCs at insulating heat, one of its major drawback is that it is more difficult to install than traditional PVC pipes. Corrugated Flexible Pipe : Available in sizes 3", 4" and 6" in stock.