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‘Engineering plastics for neutron-radiation shielding’ - .PDF file.

Nuclear and medical radiation shielding applications require materials providing safety and protection for the environment and people. Most radiation fields are combinations of different kinds of radiation, such as fast neutrons, thermal neutrons, primary gamma and secondary gamma rays. Fast neutrons are most effectively shielded by materials with high hydrogen content. Thermal neutrons can be virtually eliminated by the presence of high-thermal-neutron cross-section materials such as boron. Primary gamma rays are best shielded with lead or other high-density materials. This application note introduces Quadrant’s Borotron series of stable plastics with high hydrogen content and added boron.

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Quadrant Engineering Plastic Products

Quadrant Engineering Plastic Products (QEPP) is the world’s leading manufacturer of semi-finished products made from general engineering and high-performance plastics. Quadrant also designs, develops and produces finished parts and solutions for a broad variety of applications in many different industries globally. Its product range extends from polyamide (PA), polyacetal (POM) and ultra high molecular weight polyethylene (UHMW-PE) to high-performance materials such as fluoroplastics and polybenzimidazole (PBI), which features temperature resistance to over 425C (800F) while maintaining total dimensional stability. The semi-finished products are machined or thermoformed and used in a variety of industries ranging from electronics through packaging machinery to chemical processing for applications where properties such as non-stick characteristics, abrasion resistance, dimensional stability, chemical and acid resistance or purity are extremely important.

Quadrant’s global teams of product development and applications engineers provide their customers with comprehensive advisory services. The best individual solution is sought for every customer requirement – from the choice of suitable material to optimum design of the finished product and machining of the most sophisticated materialsin state-of-the-art Technology Centres. Quadrant maintains a marketing and sales organization which is capable of pursuing new developments rapidly and efficiently worldwide. Quadrant focuses on growing markets, though many end users operate worldwide and have global requirements for materials and applications consulting.

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