· Howdy all, As many of you already know, I'm just starting out as a slingshot shooter. I currently have 2 slingshots in my collection: an HDPE polymer BloodShot Hunter and a polycarbonate Rambone. I've noticed that the materials have a distinctly different feel and sound.
· What exactly is the difference between the two, well other than the fact they are two different materials. Is one safer than the other? I read in a Motorcyclist magazine that Polycarbonate has more crushability than Fiberglass/Kevlar.
Helpful, trusted answers from doctors: Dr. Conrad on polycarbonate vs plastic eyeglass lenses: Polycarbonate lenses have a higher index of refraction and can be made a little thinner which lightens the eyeglasses and makes them more comfortable. So they charge a little more for them. I consider eyeglass costs way too high for the technology and
The refractive index 1.59 is "pure" polycarbonate material, while the 1.57 is a "composite" of polycarbonate and typical plastic. One is slightly thinner and lighter than the other, but as noted the difference is very small, too small to guide a decision.
· One other thing to note about Polycarbonate is that although it is used in bulletproof glass and other applications like eyeglasses, it is also easily scratched unless sandwiched between glass as is often done with windows.
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· Loosely defined, a composite is a combination of two or more different materials that results in a superior often stronger product. Humans have been creating composites for thousands of years to build everything from simple shelters to elaborate electronic devices.
· composite decking tounge and groove difference between pure polycarbonate and polycarbonate There are many types of composite decking material for you to choose from when you decide this is the
· The nonlinearly thermo-mechanical creep behavior of bisphenol A polycarbonate was investigated at different temperatures 0 to 140°C under pure shear loading. The shear creep in the linearlyviscoelastic range was measured with a torsiometer for referencepurposes and a master curve, along with a shift factor curve,
· Polycarbonate and Trivex lenses are much more impact-resistant than regular glass and plastic lenses including other high-index lenses because these lightweight lens materials are relatively "soft" — which means they can absorb energy without lens fracturing.
· Optical properties of polymer composite PS-PC thin films. optical properties of pure polycarbonate and polystyrene polymer films, . The difference between the squared refractive index and the dielectric constant is a
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Optical properties of polymer composite PS-PC thin films Dana A. Tahir 3/4/2010 , Accepted:1/6/2010 Abstract The optical properties of polymer composite polycarbonate-polystyrene PC-PS films prepared by casting technique were studied in the visible and Relation between the and for pure and composite PC-PS films.
· Effects of graphite powder on the laser sintering behaviour of polycarbonate H.C.H. Ho W.L. Cheung and I. Gibson The authors H.C.H. Ho, W.L. Cheung and I.
Polycarbonate is sometimes called Lexan®, which is a trademark by Sabic. Another popular brand name for Polycarbonate is Makrolon®, owned by Bayer. Hammerglass® is another polycarbonate mainly used for security and against vandalism.
Although the terms ‘Composite’ and ‘FRP’ are generally synonymous, i.e. they are both taken to mean fibre reinforced plastic or polymer, the term “composite” tends to imply the use of carbon fibre reinforcing fibres and to be associated more with the high performance end of the market, e.g. aerospace.
In addition, the 1.59 pure polycarbonate lens tends to scratch more easily than the 1.50, 1.57, and 1.53 lenses, because it’s a softer lens material. The 1.61 high-index polymer single-vision lens provides a thinner lens for stronger prescriptions than mid- and standard-index optical lenses do.
Key Difference Perspex vs Polycarbonate Engineering thermoplastic polymers such as polyethylene, polypropylene, polyvinyl chlorides, polycarbonate, polyacrylates are very popular in the current world due to their excellent combination of
Polycarbonate is an amorphous thermal plastic material whose high heat resistance and excellent physical properties make it an ideal material for enclosures. Polycarbonate can withstand a wide range of temperature fluctuations and its good electrical properties are unaffected by humidity.