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PTFE stands for Polytetrafluoroethylene, more commonly known as Teflon. It has excellent dielectric properties that make it suitable for use as an insulator in cables and connector assemblies, and as a material for printed circuit boards used at microwave frequencies. Related Article Tags: , , , , , , , , , , , ,
Non-stick pans are cooking pans made from or coated with materials designed to prevent food from sticking to their surface during the cooking process. Most non-stick pans are made using Teflon (PTFE) coating although newer materials are also used. Health concerns have been raised regarding use of PTFE as a cooking pan coating. Related Article Tags: , ,
There are two main ways of joining lengths of copper pipe together - with a compression joint which is fitted to the pipes using spanners or with a capillary joint which is soldered on to the pipes. A compression fitting has a screwed body with a nut and sealing ring, called an olive, at each end. To make a joint, the pipe ends are pushed into the body and the nuts are tightened, squashing the olives on to the pipes to form a water‘Žtight seal.
O-Ring is one type of gasket which consisting of a flat ring of rubber or plastic. It is often found in mixer taps and in waste pipe fitting. It is also known as a packing, or a toric joint. It is used to seal a joint against high pressure or seal the flashlight case against dust and moisture. Related Article Tags: , , ,
Different plastics are available, including ABS. polypropylene and uPVC. Support horizontal pipes about every 500mm. vertical pipes about every 12m. Basin pipes connected to a single-stack system are restricted to a maximum length of 3m unless special precautions are taken (special automatic resealing traps or designing the system with separate ventilation pipes, for instance).
Galvin Green's idea is a multi-layer concept whereby you can mix and match the items of clothing to cover all the elements can throw at you, whether it be warm, cool, windy or raining. To get the most out of your golf wear, and your game, it is important to dress right - from the inside out. The key to comfort is layering, breathability and moisture transportation. Since the different layers work very closely together, thermoregulation is all about using the right materials in the right combination. This is what the Multi-Layer Concept is all about. Related Article Tags: , , ,
The fast growth and widespread use of aluminum since World War II is coupled directly to the ability of anodizing processes to defend it from corrosion, improve its appearance by brightening it and offering a rainbow of colors, and also imparting ceramic-like toughness to its outer skin. Related Article Tags: , ,
It is impossible to think of modern everyday activities without the use of synthetic chemicals called polymers. Man-made fibers (as used in clothing, carpets and curtains), plastics (used in innumerable domestic and industrial applications and artificial joints) and paints and cleaning materials, are all different forms of this important discovery. This article discusses the various aspects of polymer development since their inception. Related Article Tags: , , ,
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