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W.S. Hampshire, Inc.


http://www.wshampshire.com  
Phone: 847-683-4400, 800-541-0251 (toll free)
Fax: 847-683-4407
Address:
365 Keyes Ave.
Hampshire, IL 60140
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Plastic Sheet & Sheeting related categories

Extren Grade Sheet/Plate
Extren® Fiberglass ... high tensile strength

Type 500 glass-reinforced polyester is a thermosetting plastic which holds its strength throughout its 160°F safe-operating range. It won′t soften with heat. Quite stiff compared to other plastic sheets. An excellent thermal and electric insulator with good chemical resistance. Doesn′t absorb moisture. Fire retardant.

Type 525 has a flammability rating of UL94, V-O. Premium grade 625 is made with vinylester resins for increased strength, fire retardancy and resistance to weathering. Extren is a tradename of Strongwell.
Cequin I,II, Cequin/Polyester Laminates
CEQUIN I and Cequin II Papers and Cequin Laminates are high temperature, inorganic insulation papers provided by Innovative Paper Technologies. Cequin and Cequin laminates offer excellent thermal and dielectrical stability.
Tufquin 110,120, Tufquin/Polyester Laminate
TufQuin 110 & 120 Papers and TufQuin Laminates are inorganic papers provided by Innovative Paper Technologies that offer high-temperature capabilities with improved mechanical properties.
Nomex® and Nomex®/Polyester Laminate
NOMEX & NOMEX Laminates are made of an aramid, synthetic paper with excellent resistant to heat, flame, and chemicals that provides high levels of electrical, chemical and mechanical integrity.
Kapton®
Kapton® is a flexible polyimide film that maintains outstanding mechanical, chemical and electrical properties while under extreme temperatures.
Kraft Paper and Kraft/Polyester Laminate
Kraft Paper and laminates consists of virgin wood pulp. There are no adhesives or chemical additives, making Kraft Paper ideal for exacting uses, such as in electric motors, switch gears and transformers.
Polyester Film
Polyester films offer high dielectric strength, resists chemical attack, good thermal endurance and compliance to material standards and specification
Rag Paper and Rag/Polyester Laminate
Rag Paper and Rag Laminates are electrical insulation papers made of high-grade cotton cuttings that offer good mechanical, electrical and thermal properties
Ryertex Grade C
Unbleached medium-weave cotton fabric makes this one of the most popular phenolic laminates. Strong and tough, with outstanding compressive strength and good machinability. Excellent wear and abrasion resistance with low coefficient of friction. Also stocked with graphite addition (Ryertex CG), reducing the need for lubricants.
Ryertex Grade CE
Combines good tensile strength and high compressive strength with Class A electrical insulation values and low water absorption. Easy to machine. Medium weave, bleached cotton fabric.
Ryertex Grade CG
Grade CG performs well in applications where oil or grease lubrication is maintained. The internally dispersed graphite aids lubrication and wearabllity compared to grade C. Ideal for pivot or king pin bearings in construction equipment and machinery. Ryertex grade CG is black in color.
Ryertex Grade CW
Copper screening every 1/8′′ through thickness of heavy-duty canvas dissipates heat better than Ryertex C.
Ryertex Grade G10
Outstanding mechanical properties from medium weave fabric base and epoxy resin. Impressive 55000 psi tensile strength and 65000 psi compressive strength. Class B electrical insulation at temperatures to 325°F. Low water absorption.
Ryertex Grade LE
A finer weave cotton fabric with 40% higher tensile strength than CE. Great for smaller electrical parts requiring more intricate machining. Class A Insulation with low moisture absoprtion.
Ryertex 223
For all types of marine bearing applications. Modified resin for less water absorption.
Ryertex JTR 726
JTR 726 is a laminated phenolic material that is manufactured using a combination of a paper based core and a woven glass fabric on both sides. This thermoset material has a smooth, glossy, resin-rich surface on both sides that machines or routes to a very fine finish.
Polycarbonate
This is the toughest transparent plastic produced. Outstanding impact strength (it′s unbreakable) makes it the material of choice for many industrial applications. Has good electrical insulation properties and low moisture absorption. Resistant to both heat and flame, polycarbonates are dimensionally stable and are generally unaffected by greases, oils and acids. Weatherability is good, but not as good as acrylics. Ultraviolet rays cause slight discoloring and embrittlement.
ABS
ABS provides abrasion, moisture and creep resistance as well as good chemical and stress-cracking resistance to inorganic salt solution, alkalies, and many acids. Superb electrical properties. Two grades are available: extruded vacuum formable and annealed. A flame retardant V-O rated ABS is also available.
HDPE
HDPE (high density polyethylene) has a higher density and more rigidity than the low density grade and has good impact and abrasion resistance with continuous heat to 180°F. Choose the stress relieved stock if you plan to heat-form or machine the sheet.
PET
A preferred replacement for acetal where there is a concern for dimensional stability after machining. P.E.T. has excellent wear resistance and a low coefficient of friction, in addition to a very low water absorption rate and being FDA compliant. The low moisture characteristic makes P.E.T. ideal for electrical applications. The outstanding hardness and stiffness properties along with good chemical resistance enables P.E.T. to be the answer to many applications.
High Impact Polystyrene
Polystyrene is formulated to provide excellent toughness, stiffness and impact strength. It will meet a wide variety of applications as it is a very versatile and inexpensive plastics. As an amorphous thermoplastic material, it is easily fabricated by drilling, routing, sawing, die cutting or thermoforming.
UHMW
An exceptionally tough plastic that holds up, even after repeated impact. For example, it doesn′t break under IZOD impact testing. Abrasion resistance is extraordinary, with low friction under load. Virgin Grade UHMW is also exceptionally resistant to chemical attack including organic solvents. It′s easily machined, self-lubricating and absorbs almost no water. Has high dielectric strength, but only moderate compression strength.
Acetal
Like nylon, acetal plates are tough enough and strong enough to replace metal. Acetal parts are more dimensionally stable under wet or humid conditions due to lower water absorption. And acetal resists most organic solvents. Available in: Delrin, a homopolymer (trademark of E.I. DuPont) or in an acetal copolymer.
Nylon
Nylon is a versatile and popular engineering plastic with outstanding hardness and tensile strength plus superior wear resistance. A low coefficient of friction is another advantage along with heat resistance as high as 230°F in some grades.
Polyurethane
Unbeatable for the toughest impact and abrasion applications. Stands up to severe pounding, heavy abrasion and gouging. Never breaks in Izod impact testing. Also bears up under high loads and shock without deforming. Superior resistance to oils, gasoline and solvents. Handles temperatures of 225°F. Highly resistant to sunlight and weathering.
Teflon
Offers you a combination of properties at the top of the scale. For starters, Teflon is nearly inert to chemicals and solvents. It operates safely to 500°F and retains its toughness and flexibility even at very low temperature in the cryogenic range. On top of that, Teflon has the lowest coefficient of friction of any solid and one of the lowest thermal expansion rates. It is self-lubricating, with outstanding weatherability and moisture resistance. A relatively low tensile and compressive strength is about its only limitation. Specify the electrical grade for excellent dielectric properties. Teflon is a tradename of E.I. DuPont de Nemours & Co.
Sheet
Thermoplastic Properties   Material Grades
Flexural Strength                   Cost Comarison
Coefficient of Thermal Exp  Dielectric Values
Tensile Strength                     Impact Resistance

PVC Plastic Sheet... your lightweight alternative to steel!
PVC/CPVC... outstanding resistance to acids

A product with great chemical resistance, which is tough and dimensionally stable. It has very low water absorption and superior resistance to weathering and sunlight.

Rigid Type I PVC gives you good value. Cost is low, yet chemical resistance is exceptional, even to strong acids and alkalies. It′s also tough and dimensionally stable, with low water absorption and superior resistance to weathering and sunlight.
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