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Craftech's Plastic Fastener Bulletin

20 of the Punniest Engineering Puns You Can Find

Posted by Katie Gerard on Thu, Dec 18,2014 @ 04:35 PM

Are you rushing around, trying to get everything done before the holidays next week?  Let these engineering jokes take the edge off.  We’ve assembled a list of the punniest puns we could find with engineering professionals in mind.*  Enjoy!

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The Pultrusion Process: Manufacturing Fiber Reinforced Polymers

Posted by Guest on Tue, Dec 09,2014 @ 03:11 PM

The Pultrusion Process*

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Top 5 Acid Resistant Plastics

Posted by Katie Gerard on Tue, Nov 25,2014 @ 02:39 PM

Many of our customers ask for information on acid resistant plastics.  So here are the top five for all around acid resistance.  Be sure to check out the chemical resistance chart at the bottom of this article.

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Engineering Can Save Lives! Top Construction Engineering Disasters

Posted by Katie Gerard on Wed, Nov 19,2014 @ 12:07 PM

Do you ever feel like your engineering or construction job is unimportant?  Overrated?  Let me convince you otherwise by presenting just a handful of the disasters caused by industrial and civil engineering failures in American history.  These disasters prove just how life-saving your profession can be. 

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Top 7 Reasons Manufacturers Love Polycarbonate

Posted by Katie Gerard on Tue, Nov 11,2014 @ 11:43 AM

First commercially manufactured in the late 1950’s, polycarbonate is a high-strength plastic with many industrial applications due to its special properties.  The material has good electrical insulation properties and is heat-resistant.  Polycarbonate is so ubiquitous in part because it can be manufactured as clear as glass.  The plastic is stronger than glass and has only 1/6 the weight of glass-making it the preferred choice for many manufacturers. 

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Why Can't I Buy Plastic Razor Blades? On Sharpness and Plastics

Posted by Katie Gerard on Wed, Nov 05,2014 @ 11:45 AM

How come everything in a disposable razor is plastic except for the blade?  Can plastic ever be sharp?  In order to understand why plastic razor blades are not commercially available, we must first consider how sharpness is actually defined and how it works.  Let’s review what actually makes a blade sharp and then consider why plastic materials do not make suitable edges.

Here are the major issues you must consider when creating a razor blade:

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A Closer Look at Glass Fibers in Reinforced Plastic

Posted by Barbara Gerard on Mon, Oct 27,2014 @ 02:40 PM

As we discussed in our last post, reinforcing fibers are added to plastic resins to increase the tensile strength and flexural modulus of the composite as well as the heat deflection temperature of the plastic.  In this blog post, we will take a closer look at glass fibers.

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A Special Highlight on Basalt and Aramid Fiber Reinforced Plastic

Posted by Barbara Gerard on Mon, Oct 13,2014 @ 12:13 PM

Fiber reinforced plastic is a mixture of reinforcing fillers and plastic resins called matrixes.  This technique increases the tensile strength and flexural modulus of the composite.  These fillers also increase the heat deflection temperature of a material as well as cause it to resist shrinkage and warping. The extent to which these attributes are enhanced depends on the mechanical properties of the fiber and the matrix, their volume relative to each other and the length and orientation of the fiber within the matrix.  Many organic and inorganic fillers are used to create fiber reinforced plastics.  You may have heard of carbon fiber as it is being used increasingly in the automotive industry right now and is often in the news.  But there are plenty of other useful fiber reinforced polymers!  In this post we focus on the fibrous mineral filler Basalt and man-made aramid fibers such as Kevlar.TM  

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Topics: fiber reinforced plastic, plastic fillers

How Do Scientists Define Clear Plastic?

Posted by Katie Gerard on Tue, Oct 07,2014 @ 04:40 PM

So I wanted to do an article for our readers on the most optically clear plastics available.  But then I got so caught up in researching what “transparency” really means that I decided this topic really deserves two articles. 

Here’s a rundown of two of the major ways of measuring transparency in plastics (and other materials)-the refractive index and optical clarity.  Keep your eye out for a second post listing highly transparent plastics in the next few weeks.

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An Introduction to Anti-Static, Dissipative, and Conductive Plastics

Posted by Barbara Gerard on Mon, Sep 29,2014 @ 02:19 PM

Wait!  Aren’t all plastics conductive?  Aren’t plastics the ultimate insulators?  You’re right-plastics are used extensively in many industries, including electronics, as insulators.  But plastics are not just naturally dissipative; most of them are made that way using additives.  Let’s examine how anti-static, conductive, and dissipative plastics are produced and classified.

In order to understand how this works, let’s take a second to examine the phenomenon of electrostatic charge and conductivity.  An electrostatic charge is one that occurs when two objects touch each another.  One object becomes positively charged and the other becomes negatively charged.  Electro static dissipation (ESD) can destroy sensitive electronic components, erase or alter magnetic media, and even set off fires or explosions.  Conductive, antistatic and dissipative plastics materials are used to minimize this risk.   

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