Aardvark Polymers and FR Nylon

Aardvark Polymers Announces New Roto Resins: FR Nylon

Aardvark Polymers, headquartered in Lambertville, N.J., has announced a few new additions to the company’s growing line of NextGen Roto Resins. The new products include a highly sophisticated FR nylon (UL94-V0 ratings) and the company’s first alloy thermoplastic products to be produced on a commercial scale. The following video gives a good idea of the history of polymers and Nylon:

Aarlon 4055FR

Aarlon 4055FR: a top-of-the-line flame retardant (6/6 polyamide) that has a rating of UL94-V0 for flammability. The product holds no red phosphorous or heavy metals and is free of halogen. It has a very high deformation temperature and can be utilized in applications up to 446F (230C),

Aarlon 4055FR is a semi-crystalline, heat-stabilized, nucleated, nylon of type 6/6 that comes with a unique set of mechanical and thermal properties. The material may be applied in fuel and aggressive chemical environments and at high temperatures. The product is spin, ultrasonic, and vibration weldable and comes in a natural color and can be dry-colored or printed to suit. The material is developed for applications in automotive, aerospace, electronics, fuel systems, public transportation, and industrial markets.

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Polymer Clay Art For Beginners And Experts

Polymer clay is a form of PVC mixed with the liquid plasticizer for the purpose of obtaining a material of a consistency similar to that of clay. More known to us under the name of one of the producers, Fimo, Polymer clay is one of the newest and affordable materials for modeling. The following video is about how to get started with this art form:

It only strengthens the final baking, which gives us more freedom to experiment than air drying clay and can be combined with many types of materials to achieve unique effects and textures. The most important is to know that as far as the outcome of the initial plan your work, you can reuse it with ease.

In our market appeared a few years ago, first Fimo and Sculpey latest CERN and, in solid form, the most commonly used and in liquid form.

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The Making Of Polymer Clay Art

Finding other types of materials that an artist can transform into some admired jewelry pieces is one of the major challenges to the creativity of many artists. Among many available, polymer clay stands out in recent liked trends in the jewelry making business.

Polymer clay is mixed with PVC plastic and some type of plasticizer chemical whose function is to keep the clay moldable and softer till baking its desired final shape is reached and in most cases, polymer clay is used together with the metal to create jewelry and because of this there are a lot of systems that are used to add more colors to metal to produce some fine pieces of jewelry.

The characteristic color and that flicker accent possessed by the polymer beads actually comes from Micas which are colored and examples such as Kaolin clay makes the polymer to be opaque, a property that makes clay from polymers to be a very diverse and easy to work within the making of jewelry. The one property of polymer that makes it exceptional is that it doesn’t require high temperatures during baking since an artist can use even their own stoves to perform the whole baking process.

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Sierra Resins Series of Bioplastics

Usually, modern plastics are forming a useless waste of our natural resources when they’ve hit the landfills. The Sierra Resins SR Series of bioplastics is giving us and the world around us the tools required for breaking down the highly complex molecular structure of plastics so it can return into our world as vital products like water, carbon dioxide, water, and salts. For the sake of argument, take also a look at this video with some opposing views:

Despite everyone’s best efforts, a vast majority of plastic produced annually ends up in landfills, for what could be thousands of years. As a result, environmental sustainability is compromised. Sustainability knows one single simple principle: All the things that we need for our well-being and survival is depending on our natural habitat and environment.

Sustainability is about creating and maintaining conditions in which nature and humans can co-exist. Sustainability is also important to ensure that we will be able to continually have the resources and water required for the protection of our environment and human health. With this in mind, years of development and testing have gone into the SR Series of bioplastics.

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Polymers and Degradable Resins

In an increasingly ‘Green’ world, some companies seek advantage by claiming that their products are biodegradable. The Federal Government requires that such claims be supported by scientific evidence.

Anaerobic biodegradation as occurs in landfills can be simulated in the laboratory under controlled conditions using compost and landfill leachate incubated at temperatures seen in landfills. Many materials naturally degrade when exposed to landfill conditions while others such as plastics do not.

To aid plastic materials to biodegrade or to speed-up the degradation process, plastic producers often add ingredients to the plastic resin that act as food for microbes commonly found in landfills. The microbes attack the plastic structure, allowing a more rapid breakdown of the molecular chain.

SR5000 was added to Foamex urethane in 1% and 2% concentrations and evaluated for weight loss after six months. The two samples, one incubation jar with foam samples in each concentration recorded a mass loss of 1.7% and 2.9% loss respectively. While the mass loss by weight of solid plastics can be fairly accurate, mass loss of foamed plastic by weight loss is a more conservative method as the cellular structure of the foam traps denser compose particulate preventing a more accurate weight loss calculation.

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Code Complexity and Pi Measure

Why Pi Measure? All of the existing complexity measures give a potential or a hypothetical complexity. That is because they measure the program at rest due to their static nature.

The Pi Measure measures the actual dynamic complexity of a program in execution. The Pi Measure shows the degree to which the potential, static complexity is realized in execution.

The Pi Measure

Measure Execution Complexity
Purely Dynamic Measure
Improve Testing
Find More Defects
Prioritize and Evaluate Testing

What the is Pi Measure? The Pi Measure is a unique software-complexity measure. It is a purely dynamic complexity measure that does not rely on static code properties. It is based on the degree of control and data surprise the software under measure shows in execution. Highly complex code changes internal control and data in unpredictable and diverse ways.

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What is conditional coverage

What is conditional coverage? Conditional coverage is a white-box testing method that measures the percentage of exercised branches in the code. Conditional coverage is a special case of test diversity.

Conditional Coverage

Measure Conditional Coverage
Discover un-tested code
Improve Test Quality

Why conditional coverage? An un-exercised branch could contain a defect that will not be detected. An exercised branch increases the confidence that the branch contains no defects.

Conditional Coverage

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