PEEK: Description and Uses

Posted by Barbara Gerard on 11.07.2015

Polyetheretherketone (PEEK) is a high performance, semicrystalline, high temperature resistant, engineering thermoplastic. It is one of the most popular materials we manufacture here at Craftech, with a strong following in the aerospace industry. In this article, we will describe some of the excellent mechanical properties that make this plastic material so popular.

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What is Rotational Molding?

Posted by Katie Gerard on 10.27.2015

Rotational molding, also called rotomolding or rotocast, is a manufacturing process used in the plastics industry that has tremendous upside potential, yielding products with a wide range of consumer and industrial applications. Plastic components produced in this manner are used for sporting goods, toys and even in the transport of nuclear materials. The manufacturing process has evolved over the years into a highly efficient, cost-effective method for producing plastic-based goods.

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Cryogenic Deflashing and Deburring

Posted by Barbara Gerard on 10.09.2015

Cryogenic deflashing and deburring is a process that employs cryogenic temperatures to remove flash on manufactured workpieces made of a wide range of plastics (and other materials) both thermoset and thermoplastic. Some examples of materials used include nylon, Tefzel®, HD-PE, PPS, PET, polycarbonate, polypropylene, polyurethane, liquid crystal polymer, ABS, PEEK, and Acetal. Manufactured parts that have been successfully deburred include those made through injection molding, compression molding and extrusion molding.

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Plastic Products: Improving Safety in the Workplace

Posted by Katie Gerard on 10.02.2015

Plastic products are changing multiple facets of people’s lives, including safety in the workplace. From enhanced construction products and athletic equipment to safer auto parts and tabletops in hospitals, plastics are making a substantive change in workplace safety. Innovations in these arenas and others are expanding the applications of plastics and their contribution to sustainability.

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Which Plastic Materials Are Used in Barbie Dolls?

Posted by Barbara Gerard on 09.22.2015

Most people know that Barbie dolls are made of plastic. The dolls are in fact made of many plastic materials. Initially, Mattel™, the company who produces the doll, wanted to make the Barbie doll of soft vinyl. However, the vinyl that was injected did not always fill all the cavities of the mold causing what’s called “short shots,” i.e. incomplete dolls. To prevent this and to ensure that all the dolls had fingers and toes, Mattel “rotation molded” the arms and legs. In other words they were turned slowly in molds while the vinyl hardened. Roto-molding, or rotational casting, is a type of thermo molding method that uses high and low temperatures to shape and form PVC. This is one of the fastest growing plastic processing methods today. Rotational molding is used to make hollow and seamless products of all possible sizes and shapes with even and uniform wall thickness.

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An Introduction to Biodegradable Plastics

Posted by Barbara Gerard on 09.18.2015

It is widely believed that plastics do not biodegrade, but this is in fact not the case. The concept of biodegradable plastics and polymers was first introduced in the 1980s. Bacteria that could break down plastic were developed as early as 1975, when team of Japanese scientists discovered a strain of Flavobacterium living in pools containing waste water from a nylon factory. At that time, two strains of bacteria were developed to breakdown nylon. Flavobasgteria and pseudomonas were found to possess enzymes (nylonase) capable of breaking nylon down. These two types of bacteria were not known to have existed before the invention of nylon in 1935.

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Can Plastic Balls Help California Survive Drought?

Posted by Guest on 09.04.2015

California is an agriculturally rich state complete with beautiful parks and picturesque coastlines, but without Plastic Shade Ballsadequate water supplies the state and its people tend to struggle. In 2015, the state is suffering from a prolonged drought, which is hurting wildlife, citizens and businesses alike. In Los Angeles, innovations such as shade balls are being implemented at water collection points, in an effort to preserve water.

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How is Polyester Made?

Posted by Barbara Gerard on 08.26.2015

Polyester was developed in the years 1939-1941 by British chemists at Calico Printers Association, Ltd., based on the work of W.H. Carothers in 1926 at the United States based E.I.D. Pont de Nemours and Co.  DuPont bought the rights in 1946 to produce polyester fiber in the United States.  By 1951, DuPont had begun to market the fiber under the name Dacron. 

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7 Reasons To Use PVC in Medical Applications

Posted by Barbara Gerard on 08.11.2015

The most widely used thermoplastic material in the medical device industry is PVC Over a 50 year period, this material has demonstraced its ability to met the demanding requirements of the healthcare industry.  PVC was originally developed to replace the rubber and glass that was historically used to make flexible tubing and containers.  PVC began to dominate the market for these types of items when the need for single use pre-sterilised medical components increased. 

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The Benefits of Fiber Reinforced Plastic vs. Traditional Materials

Posted by Katie Gerard on 08.04.2015

So what’s all the fuss about fiber reinforced plastic?  This material is having a big impact in a number of industries, from construction to waste water treatment to theme parks.  But how does it stack up when compared to more traditional materials like steel, aluminum, and timber?  Read on to find out!

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