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Posts sent in: December 2015

30 Dec 2015 
With the globe becoming more and more pollution-prone, all of us face the risk of a dark future without the present beauties of the world. Globally, there's an alarming increase in environmental pollution. Considering the depletion of beneficial natural resources and the pollution of the environment, the predictions about the ultimate end of the planet earth no more seem to be wild fantasies. In that bleak scenario, simply environment-friendly technologies can save us from environmental disasters.


Today global Warming is among the most adverse threats the planet earth is facing. It is taking its toll on the community through a lot of pollutants. It is about time we heed this alarming simple fact and take measures to battle the impending hazards.


Environmental Technologies will be the sole way to curb pollution and create a hazard-free environment. The main concept behind environmental systems is to convert environmental effective material into benefit added products and services. The purpose of applying environmental friendly technology plastic recycling extruder machine would be to minimise environmental pollution.


Environmental Technology is the cleanest and most resource productive technology. Corporations can gain competitive advantage using these technologies. Various companies utilise environmental technology to produce common consumer products. Leading players like NTIC creates Polymer Energy by using environmental technology for economical and environmental gain. It is certainly an alternative and effective method to recycle and dispose plastic wastes. The Polymer Energy system effectively converts plastics into crude oil by using catalytic pyrolysis. Every single ton of plastic waste is converted into 775 litres of crude oil.


Approximately 230 million a great deal of garbage is generated that is changed into Nature-Tec environmental friendly plastic. Bio-based or bio-degradable plastics are produced applying environmental technology. These plastics are degradable and prevent the soil from getting polluted fully. Some of the beneficial applications of these plastics are carry-out bags, product packaging films, trash bags. They are able to also be utilized as extrusion coating papers which are found in coated paper cups, others and trays.
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29 Dec 2015 
The process of developing, shaping pliable raw material is called molding. It really is done by using models referred to as molds or rigid frames. Those that manufacture molds are known as mold manufacturers. Blow molding can be a popular manufacturing process by which hollow plastic parts are formed. Plastic bottle manufacturers and water bottle manufacturers need to carefully choose the best blow molding machine and PET perform for their applications.


Choosing the blow molding machine that is apt for your business can be a difficult task if you are not familiar with the idea of blow molding. Blow molding is certainly a manufacturing procedure used to produce hollow things from thermoplastic. Plastic injection molding machines and PET blow molding equipments available also.


There are a few pointers to be borne in mind when choosing a PET blow molding machine. It comprises of an extruder which has plastic pelletizer an extrusion head. It should own at least one closing unit. Two closing units are more than welcome. Consider certain specifications and key features. For instance, the barrel and the screw ought to be preferably manufactured from steel and processed by nitrifying. The structure of the extruder ought to be adjustable automatically. Basically, the machine should be such that it can also be customized and personalized according to your blow molding machine requirement.


Look for the mold die head, plate and the hydraulic system. You should be able to achieve the optimum performance-cost ratio. Make sure the blow molding equipment production capacity can be elevated. The height, volume and diameter are other elements to watch out for.


PET preform and plastic bottles are available at competitive prices likewise. They can be used for numerous applications. They could be useful for carbonated drinks, alcohol consumption, liquid detergents, physique lotions, personal treatment, pharmaceuticals and cosmetics. The quality of PET bottle blow molding operations depends upon PET preforms largely.


Plastic is a non-metallic compound. It can also be molded into different forms. It is usually hardened for personal and commercial use. Plastic molding products like plastic tubes, toys, bottles, kitchen utensils, protective caps and jars are applied commonly. Plastic molding involves several processes. . It is very important familiarize yourself of the various processes involved. The right process is the one which suits your budget, resources and expertise. Blow injection and molding molding are a fundamental element of plastic molding. Injection molding requires forcing melted plastic right into a mold cavity. Once it is cool, the mold could be removed. It is used in prototyping or perhaps mass production of a product commonly. Blow molding is also much like plastic injection molding. The only difference is usually that the popular liquid plastic pours out of a barrel vertically in a molten tube. Blow molding products include bottles, containers and tubes. Compression molding, film insert molding and gas assist molding will be the other forms of techniques. Thermoforming is just one more plastic molding process.


Blow molding machines are beneficial in many ways. They offer high impact level of resistance, durability, flexible part design, strong part efficiency under pressure with a variety of materials from which to choose and preferred choice for hollow-shaped parts. It's likely you'll get baffled with the many varieties of machines available in the market. It is suggested to import the plastic injection molding machines and blow molding tools from Taiwan where is going to be advanced in the plastic and molding market for a long time.


Make sure you choose the blow molding machine and equipment that's apt for the application. You can rely securely on OEM/ODM manufacturers. Before a choice is manufactured by you, check for all of the features and make sure your requirements are met.
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28 Dec 2015 
Grade plastic is a genuine name given to regrind plastic that is part way recycled, rGrade plastic is trusted in manufacturing operations such as for example injection moulding when combined in small amounts with new virgin plastic, rGrade plastic much cheaper than recycled plastic because it has not been subjected to all of the steps in the recycling of plastic.


Although rGrade plastic hasn't been subjected to all of the steps required to be classed as a fully recycled product and be ready for use in making, such as for example melting the tidy reground plastic and extruding in to the type of pellets it even so has to undergo substantial processes to be categorized as rGrade plastic pellets.


First rung on the ladder in the recycling of plastic process is to identify and separate the different types of plastic, that is carried out using a combination of the Plastic Identification Codes - PIC code for brief or by sampling and measuring flow rates on a laboratory.


Washing the plastic to be recycled can be an important portion of the process, while all debris such as food, labels and adhesive that remain must be completely removed or it'll contaminate the rGrade plastic, this is a single reason why people at home are encouraged to rinse food from plastic containers ahead of inserting them in the recycling bins.


Once the waste plastic has been sorted and washed it is then fed in to good sized hoppers which drop the plastic products on to large grinding machines, the effect is finely ground pieces of plastic that is bagged, weighed and labelled ready for dispatch to the injection moulding companies for use in mixed runs with new plastic.


To sum up, any reduction in consumption of new raw materials can only be good for the environment but if you're involved with plastic manufacturing and are taking into consideration the merits of working with recycled plastic materials then the benefits are three fold, cheaper, more revenue, environmental friendly.


Many plastic manufacturers already are mixer extruder benefiting from the price savings which can be made by adding a % of recycled or rGrade plastic pellets to their mix, be this injection or extrusion manufacturing processes the cost savings could be huge particularly when a volume run is normally planned.


Add to this kind of the huge benefits to the environment which you can promote about any marketing material, manufacturers who use recycled plastic distribute the right message to their customers, this will only help boost sales and profits even further surely.
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27 Dec 2015 
Starch-Based Plastic Foams From Various Starch Sources1 Corn, tapioca, wheat, rice, and potato starches were extruded with grafted as was confirmed by X-ray diffraction patterns of extrudates and 30% polystyrene and 5% magnesium silicate or 1% polycarbonate or water solubility indexes. The expansion, unit density and water solubility 0.5% azodicarbonamide in a single screw extruder. Brabender laboratory index of the extrudates depended on source of starch and the type of extruder at 140'C barrel temperature, 140 rpm screw speed, and 16% additive. In general, tapioca and corn starches gave the best products starch moisture content on dry weight basis. The foams did not show with any of the additives. Plastic foams are used extensively as cushioning materials for the protection of fragile products during transportation and handling. Although useful and desirable for many purposes, the indestructibility of petroleum-based plastics is a growing concern because of their accumulation in the environment. Efforts have been made to provide suitable alternatives to replace these plastics with biodegradable polymers. These biodegradable polymers can degrade in the environment by action of microorganisms in the presence of moisture. Research on the development of biodegradable polymers derived from renewable resources has gained considerable momentum in recent years and it has been estimated that worldwide demand for degradable plastics will reach 3.2 billion pounds by the year 2000. Agricultural crops provide ample sources of biopolymers which can be readily used to make biodegradable plastics. Commercially available starch foams have successfully replaced polystyrene foams. However, these foams disintegrate immediately when exposed to moisture, limiting their use in environments that are not moisture-free. Bhatnagar and Hanna developed a process to make starch-based foams replacing as much as 70-80% of the plastic with starch without compromising the functional properties of the end product (Bhatnagar and Hanna 1995a,b). These foams had much better water resistance than did starch foams made from hydroxypropylated starch and polyvinyl alcohol. In this study, we made packaging foams from various starches and compared their physical and mechanical properties. from Dow Chemical, Midland, MI. All formulations were based on a starch to polystyrene ratio of 70:30 on a dry weight basis. Three additives were tried: 1) azodicarbonamide, 2) magnesium silicate and 3) polycarbonate. Azodicarbonamide, magnesium silicate, and polycarbonate were added separately at rates of 0.5, 5, and 1%, respectively, based on dry weight of starch and polystyrene mixture. The percentages were based on earlier research (Bhatnagar and Hanna 1993; Bhatnagar and Hanna 1995a-c). Starch moisture content was adjusted to 16% dry basis and then blended with polystyrene and other additives in a Hobart mixer for 2 min. The samples were stored overnight in plastic jars to equilibrate before extrusion. Extrusion was performed in a single-screw laboratory extruder with a 1.9-cm barrel diameter, a 20:1 barrel length to diameter ratio, and a 3-mm cylindrical die nozzle. Barrel temperatures of feed, compression, metering and mixing, and die sections were maintained at 60, 140, and 140��C, respectively. The screw speed was 140 rpm. Product temperature and pressure were monitored using a transducer. Process variables of pressure, barrel and melt temperatures, screw speed, and torque were recorded by a computer interface and controller unit using a Programloader version 1.9.5 software. The 3-mm die nozzle used gave continuous cylindrical rope-like extrudates that were cooled at room temperature and broken into finite lengths for testing purposes. Spring index refers to the ability of a material to recover its original shape after it has been deformed. The force required to initially compress the sample and the force required to recompress the same sample after 1 min of releasing the initial load were determined using an Instron universal plastic recycling machine testing machine. A 6-mm diameter cylindrical probe was used to compress a sample to achieve a deformation of 2 mm at a loading rate of 30 mm/min. The initial gauge length of the sample was 20 mm. Recovery of the sample was determined by dividing the recompression force after 1 min by the initial compression force. An ideal elastic body has a spring index of 1. Higher percent recoveries correspond to materials that are more elastic or resilient. Compressibility of a sample, i.e., the force necessary to achieve a deformation of 2 mm, was determined using a UTM employing the conditions noted above in measuring spring index. A high value was attributed to a sample that was relatively hard, i.e., less compressible, while a lower value was attributed to a sample that was easily compressed. Water Solubility Index Water solubility index was used to describe water solubility of the extrudates with some modifications. Water solubility of solid peanuts as well as crushed peanuts was determined. Sample were crushed because it was difficult to grind the extrudates to an exact size due to their plastic content. For water solubility of solid peanuts, extrudates were cut into 2.5- cm long pieces, while crushed samples were prepared by crushing the extrudates for 1 min. Crushed or solid extrudate was dispersed in 100 ml of water in a centrifuge tube. The dispersed samples were held for 30 min with periodic stirring and were centrifuged at 5,000 x g for 10 min. The supernatants were carefully decanted and solute concentrations were determined by phenol sulfuric acid rather than by oven-dry method suggested by Anderson et al. Water solubility indices were determined at room temperature and expressed as percent on a dry matter basis.
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26 Dec 2015 
You might not realize it, but plastic extrusions have almost certainly made an impact on your own life in one way or another. As a basic process, plastic extrusion is not at all hard, involving raw plastic material, melting, and forming. However, over the years the technology has advanced significantly, making the options virtually endless with regards to advanced applications contacting for similarly advanced solutions.


Paul Troester in Germany made the 1st thermoplastic extrusion in 1935. Followed by Roberto Colombo, who designed the first of all "twin screw" extruder to boost performance and efficiency, making the plastic extrusion process today's one truly. Since then, many innovations have allowed the technology to accomplish quite a bit. Plastic extrusion makes several products, parts, and components possible - ranging from pipes and tubes to machine and automobile components. One of the most important advances in plastic extrusion technology has been the invention of multilumen tubing.


Used in a genuine number of absolutely important medical application which range from vascular intervention and usage of endosurgery, Endoscopy, and Dialysis, multi lumen tubing came into being due to the various applications requiring a single tube with multiple stations. Multilumen tubing commonly involves several working channels that run the length of the tube, and given the constant invention taken to the extrusion field over the years, the true number of configurations available range between straightforward two channel tubes to sophisticated four, five, and even six channel tubes. Ultimately, the possibilities are only limited by the outer size of the tube itself.


By providing multiple stations, multilumen tubing optimizes the administration of fluid, and it's not only for medical applications. Multilumen tubing also provides worthwhile support for fluid operations in all kinds of mechanical and electrical applications as well.


Imagine where we may get without multi lumen tubing merely. Loved ones around the world wouldn't double screw extruder have access to reliable, flexible, and effective dialysis equipment. Beyond that, lots of the healthcare products relied on every single day to actively preserve lives will be less effective and harder to manage. On the contrary end of the spectrum, the industrial world would suffer. Without multilumen tubing, any request calling for multiple fluid channels in and out of an element would suffer, hurting probable performance.


So the next time you're in a healthcare facility or operating much piece of machinery, think to yourself, "what is plastic extrusion doing for me right now? " It’s likely that it has had a greater impact on your daily life than you might think. Whether by means of an I.V. tube with multiple channels or a straightforward plastic extruded component you rely on every full day.
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