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UHMW®

ULTRATEC® is a truly unique product that meets tough criteria for products in overcoming harsh environments-exceptional abrasion resistance, corrosion and impact resistant, low friction coefficient, repels water, eliminates sparks, reduces noise and is chemically inert.

ULTRATEC® comes in a wide range of sheets, plates, boards, custom shaped fabrications, profiles, rods, bars and tubing. ULTRATEC® is available in a wide selection of colors and thicknesses.

Manufactured to exacting specifications, ULTRATEC® meets or exceeds the specifications set forth by ASTM D-4020-81 for ultra- high molecular weight polyethylene.

Applications

ULTRATEC® has a wide range of unique properties to meet harsh environment demands including abrasion, corrosion, impact, water-absorption and resistance to acids and alkalines.

Chain Guides

• Bearings

• Hopper, Bin & Chute Liners

• Bucket Elevator Guides

• Wear Plates

• Screen Bars

• Breaker Plates

• Vibration Trays

• Deflector Plates

• Vibrating Separators
• Doctor Blades

• Guillotine Punch Plates

• Nonspark Safety Tools

• Sandblasting Shields

• Pump Impellers & Housing

• Packing Glands

• Cam Rollers & Guides

• Noise Reduction Gears & Liners

• Non-lubricating Bearings

• Construction Equipment

• Wear pads

Industries Serve - top
Virtually any industry where abrasion, corrosion, or impact resistance is a requirement.

• Construction & Mining Industries

• Metal Processing

• Transportation

• Chemicals

• Food & Beverage Industries

• Textiles

• Pulp & Paper Industries

• Equipment Manufacturers

• Agriculture

Characteristics - top

Exceptionally High Abrasion Resistance

Case-histories have proven the superior wearability of ULTRATEC® compared to steel and its unique ability to resist extreme sliding abrasion.

High Impact Resistance

One of the unique properties of the product is to maintain its impact resistance even at extreme temperatures and will even harden with repeated abuse.

Slippery

The product has a low coefficient of friction providing a smooth, consistent flow of materials even in freezing conditions.

Lubricity
The ability of the material to work exceptionally well without the introduction ofprocessing industry.

Inert
High resistance to most alkalis, acids and industrial chemicals even at high temperatures. Will not rust.

Repels Water
ULTRATEC®. will not absorb water making it particularly useful in preventing materials from freezing.

Easily Cleaned - top
The non-stick nature of the material allows easy cleaning and helps prevent material from bridging or "rat-holing."

Electrical Properties
The material has good electrical properties and eliminates spark hazards compared to metal products.

FDA/USDA Approved
Odor and taste free, non-corrosive and inert, ULTRATEC® meets government requirements for direct food contact.

Reduces Noise
When used in noisy environments, tests have shown a significant drop in the decibel level.

Lightweight
Compared to steel, ULTRATEC® is 1/7 to 1/9 the weight of the same amount of steel to do the same job.

Economical
Compared to plate or stainless steel, ULTRATEC® is significantly less expensive and due to its lightweight nature is easy to install, allows easy retrofitting and its low cost allows protective linings to be added to new installations and greatly extend wear life.

Design Features - top
Thanks to its lightweight and easy handling, ULTRATEC® is an ideal material for retrofitting projects.  The product can be cut shaped, drilled, turned, tapped and machined "Right-On-Site" using ordinary wood-working tools.  ULTRATEC® can even be pop riveted over old materials.

Design Freedom Range of Colors
Lightweight
Maintenance Free
Easily Handed Light Stability
Dimension Stability Easily Cleaned

Product Specifications

Standard Profiles - top

Standard Colors

White Gray Black
Green Blue Red
Yellow Orange



Physical
Properties

Mechanical Properties - top

Property

Test Method

Unit

Typical

Value

Specific gravity

ASTM D 742

g/cm3 0.94

Yield strength at 73°F

ASTM D 638

psi 3130

Ultimate tensile strength at 73°F

ASTM D 638

psi 6800

Break elongation at 73°F

ASTM D 638

% 450

Yield strength at 250°F

Stress strain diagram

psi 700

Ultimate tensile strength at 250°F

Stress strain diagram

psi 3300

Break elongation at 250°F

Stress strain diagram

% 900

Izod impact strength

ASTM D 256

f.p.i.n. No break

Izod impact modulus

Modified double V-notched specimens

f.p.i.n. >21(1)

Bend creep modulus

Bend creep test

(1 min. value)

psi 112,400

Rockwell hardness "R"

ASTM D 785

- 64

Shore hardness "D"

ASTM D 2240

- 67

Water absorption

ASTM D 570

- NIL
(1) Specimens did not fail- they tore approximately half way through and this permitted the pendulum to swing by the specimen.

 

Thermal Properties - top

Property

Test Method

Unit

Typical Value

Crystalline melting range

Polarization microscope

°F

275-290

Thermal stability under load (66 psi)

ASTM D 648

°F

203

Mean coefficient of linear thermal expansion between +20°C and 100°C

Leitz dilatometer

°C-1

approx.

2x10-4

Thermal conductivity

Two plate method

BTU in/ft2

h°F

2.9

Specific heat at 68°F

Calorimeter

BTU/lb

0.99

 

Electrical Properties - top

Property

Test Method

Unit
Typical Value

Dielectric constant

ASTM D 150

- 2.3

Dielectric loss factor tan

  in the frequency range

  50 cps to 105 cps

ASTM D 150

- <2.0x10-4

Volume resistivity

ASTM D 257

Ohm/cm >1013

Surface resistance

ASTM D 257

Ohm >1013

Dielectric strength

ASTM D 149

KV/cm 900


   
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PhenolicPhenolic
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Norva Plastics, Inc. • 3911 Killam Ave., Norfolk, Virginia 23508
Toll Free: 1(800) 826-0758  • Ph: (757) 622-9281 • Fax: (757) 623-2859 • Email:
info@norvaplastics.com