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A polymer (; Greek poly-, "many" + -mer, "part")
is a substance or material consisting of very large molecules, or macromolecules, composed of many repeating subunits. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental to biological structure and function. Polymers, both natural and synthetic, are created via polymerization of many small molecules, known as monomers. Their consequently large molecular mass, relative to small molecule compounds, produces unique physical properties including toughness, high elasticity, viscoelasticity, and a tendency to form amorphous and semicrystalline structures rather than crystals.
The term "polymer" derives from the Greek word πολύς (polus, meaning "many, much") and μέρος (meros, meaning "part"). The term was coined in 1833 by Jöns Jacob Berzelius, though with a definition distinct from the modern IUPAC definition. The modern concept of polymers as covalently bonded macromolecular structures was proposed in 1920 by Hermann Staudinger, who spent the next decade finding experimental evidence for this hypothesis.Polymers are studied in the fields of polymer science (which includes polymer chemistry and polymer physics), biophysics and materials science and engineering. Historically, products arising from the linkage of repeating units by covalent chemical bonds have been the primary focus of polymer science. An emerging important area now focuses on supramolecular polymers formed by non-covalent links. Polyisoprene of latex rubber is an example of a natural polymer, and the polystyrene of styrofoam is an example of a synthetic polymer. In biological contexts, essentially all biological macromolecules—i.e., proteins (polyamides), nucleic acids (polynucleotides), and polysaccharides—are purely polymeric, or are composed in large part of polymeric components.
Selling Taurus 9mm polymer pistols:
1. Taurus G3 9mm with two 17-rd mags: $345.00
2. Taurus G2C compact in FDE color with three 12-rd mags and one 17-rd mag: $325.00
Must have VALID/CURRENT AZ ID, CCW preferred, sign a bill of sale.
Located in Peoria, AZ
Selling IWI Masada 9mm polymer semi-auto pistol:
Optics ready slide
Comes with two 17-round magazines
Comes with two extra back straps for ergonomic fitting
Selling for $500.00
Must have Valid & Current AZ ID, CCW preferred, sign bill of sale.
Located in Peoria, AZ
$120 for the entire set, will not separate or part out.
Taken directly off a Brand New ZPAP M90. In near-mint condition.
-Zhukov Magpul Stock
-Hogue Upper/Lower Handguard
-Original Assorted Picatinny rails/hardware. All screws included.
Meet in South Phoenix, prefer the Phoenix...
9mm 9X19 Russian Wolf 115 Grain, non-corrosive, Berdan Primed, Polymer-coated Steel Cased. 1150 FPS.
6 boxes 50rds each. $20/box. All six boxes $100
Compared to Sportsman's guide in-stock price of $35 (+shipping)
Your price for the same new box is $25 no shipping.
*steel case is non-abrasive...
Selling a brand new E3 Arms Omega-15 complete Polymer lower receiver.
Comes with lower parts kit trigger group installed
Mil Spec collapsible butt stock
Ready to slap on upper receiver assembly and hit the shooting range!
Selling for $125.00
Must have valid AZ ID or current...
FMK 9mm Semi-Auto Pistol for sale!
Selling brand new FMK 9mm 9C G2 Compact Pistol
Comes with two 14-round magazines. Never been fired!
My dad had to move back to his residence in CA and could not bring pistol with him because they are illegal in CA.
Made in USA and "PROUDLY AMERICAN"
NIB Stock and cheek riser kit, never unpacked bought for project that never happened. Cleaning out guns, parts and accessories of projects not moving along as I have 5 different guns under build at smiths now. Not looking for any trades. Buyer pays shipping.
Selling FN-P 9mm Polymer Pistol
Polymer frame and light weight steel slide. Ambidextrous hammer safety.
Comes with Five 10-round FN-P magazines.
Only shot once for CCW qualifications but then we moved here so been in safe and fired at all.
Selling for $500.00
CCW and AZ DL required...
I have a NIB Polymer 80 Spectre 80% pistol lower. Comes with all the tooling and the locking block. All you have to do is machine it! Since buying, I have decided i am entirely to lazy for this crap, it is easier to just go buy a Glock. Would like to trade for AR parts, let me know...