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MOLDED DIMENSIONS, LLC
Custom Molder of Rubber and Cast Polyurethane Components.

Urethane Restoration Team: Flatness Matters

Posted on November 13, 2017 by The Molded Dimensions Team

Part Four

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Urethane Restoration Team: The Strategy

Posted on October 9, 2017 by The Molded Dimensions Team

Part Two

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PU Design Suggestions

Posted on April 29, 2016 by Nick Cusatis

urethanedesign1c2We take pride in designing the best possible polyurethanes the industry has to offer, and that is due to the strict guidelines and standards we set for our self.

Sharp Edges
Sharp edges or corners, externally or within the polyurethane part, should be avoided, particularly where the polyurethane is stressed.
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Silicone Products Can Be Found All Around Us

Posted on January 27, 2016 by Nick Cusatis

silicone-partsSilicone rubber is an elastomer that combines silicon, carbon, hydrogen, and oxygen.  It is a material that maintains its properties at very high and low temperatures, making it desirable for use in many applications.  Because of this, you see silicone used in your everyday home life in the kitchen as spatulas, and even oven mitts. In the office, Postit® note utilizes silicone-based adhesive systems.  This material offers such diversity that it is also used in many industries including automotive, medical, and power distribution, along with many more

History
Dating back to ancient times, the Romans used silicon-based sand to make glass.  In the 1930s, Chemists of Corning Glass and General Electric are credited as having created the first silicone polymers.   Recognizing the potential of the polymer, Corning Glass and General Electric spun off a group called Dow Corning in 1943 to continue the development of the material, which we use today. Continue reading


Design For Manufacturability: Rubber and Cast Polyurethane Raw Material Selection

Posted on December 14, 2015 by Nick Cusatis

13-046_362One of the most important items in the design for manufacturability process is selecting the lowest cost rubber or urethane material capable of meeting the application requirements.  Design Engineers are often not elastomer experts, although they have the most direct impact on part cost.  Certainly you could choose a fluoroelastomer for a simple wire grommet application in ambient temperatures with no chemical or fluorocarbon exposure, and it would function.  But why would you spend upwards of $15 per pound on material when you could spend $3 per pound to do the same job?  Molded Dimensions believes in not over specifying the elastomeric material.  Choosing a cost effective rubber or urethane compound not only saves money at project start up, but keeps on giving for the life of the project.  Continue reading


A Translucent Silicone for Conventional Molding Methods

Posted on December 2, 2015 by Nick Cusatis

rubber-worldConventional molders, such as Molded Dimensions, Inc., are currently able to process a translucent, high strength, FDA compliant, high consistency rubber (HCR) silicone compound. Prior to this raw material coming to market, the most commonly used translucent or clear materials were available as either liquid silicone rubber (LSR) products or room temperature vulcanization (RTV) materials.  These raw materials were not traditionally compatible with conventional molding methods, such as compression, transfer, or injection molding due to their uncured viscosity state. Continue reading


Why does Cast Polyurethane (PU) Make Such a Great Roller?

Posted on April 14, 2015 by Nick Cusatis

Cast polyurethane, formulated to have a balance of characteristics associated with premium materials, is a great solution in demanding roller applications.  In addition to its superior material characteristics, urethane can be molded and finished easily.

Material Properties
screen-shot-2015-04-14-at-12-24-51-pmSuperior abrasion resistance
In applications, such as manufacturing diapers, forming food product bags, or cash counting systems, urethane offers the abrasion resistance necessary to reduce wear, thereby reducing the frequency of worn roller replacement. Continue reading

A PEEK AT OUR PARTS

Pentathane Applications - Wipers Wiper used to material handling in food processing equipment. This material is both FDA approvable and abrasion resistant for durability.
Pentathane Applications - Wheels Pentathane® chemically bonded directly onto precision sealed bearing molded to tight concentricity specifications.
Elastomer Applications - Hose Hose configured for limited space in marine engine application.
Elastomer Applications - Tube Oil resistant molded tube used on combustion engine.