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Description

EthoFlex™ ER is an additive for epoxy coatings that can be applied with either the epoxy or the hardener and is compatible with any solvent. While other additives can require extensive preparation or expensive application equipment, EthoFlex™ ER is easy to add and can lower your performance costs by allowing fewer and thinner coats. As scientists we can appreciate the most elegant solution, and EthoFlex™ ER is just that- one ingredient taking the place of many; a simple preparation taking the place of many complex ones.

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All tests were made with EPON 828, a liquid epoxy resin, the additive, and 10% benzyl alcohol or other solvent. The hardener used was 4:1 cycloaliphatic amine adduct (XTA 801 from Huntsman) and the hardener to epoxy ratio is 0.8. Additive percentage was tested at 15% and 30% of the total formulation.

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Problems with corrosion? Not after the addition of EthoFlex™ ER:

Microsoft Word - Ethoflex ER.docx

On these R-35 panels tested in a B117 salt fog chamber, both the field rust and scribe creep were 游戏厅电玩出千 reduced. If you don’t believe the results, see if you can tell which is which by looking at the pictures:

Microsoft Word - Ethoflex ER.docx

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At even 15% additive, the results in the ASTM mandrel bend test dramatically improved, at 1/8 in. as opposed to the 1.5 in. bend in the control.

Microsoft Word - Ethoflex ER.docx

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Impact resistance is another area where products treated with EthoFlex™ ER show a marked performance boost. Using ASTM D2794-93, here were the results:

Microsoft Word - Ethoflex ER.docx

You may notice that the control doesn’t even show up- this is because the regular epoxy without EthoFlex™ ER applied couldn’t handle either an intrusion or extrusion at a level of even 5 in.-lbs. With 30% additive, the epoxy could handle 160 in.-lbs., the maximum on the test machine. The pictures speak for themselves; the first picture is the control while the second is with 30% additive.

Microsoft Word - Ethoflex ER.docx

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Want your epoxy to be glossy? EthoFlex™ ER is your choice again!

Microsoft Word - Ethoflex ER.docx

With even 15% additive, the gloss is improved from every angle with a very high distinctness of image.

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Microsoft Word - Ethoflex ER.docx

The control shows a typical curve for the epoxy.

Microsoft Word - Ethoflex ER.docx

There is not a significant change with 15% additive, but at 30% additive, pot life is significantly extended, allowing roughly 50% more time for the operator to apply the epoxy.

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EthoFlex™ ER also performs when it comes to improving cure times.

Microsoft Word - Ethoflex ER.docx

For benzyl alcohol epoxy systems, there is not a significant difference in cure time. However, keep in mind that the pot life was significantly improved.

Microsoft Word - Ethoflex ER.docx

When using MEK as the solvent, cure time is clearly improved.

Microsoft Word - Ethoflex ER.docx

The same holds true when using xylene.

In addition to the pot life, cure time, impact resistance, gloss, corrosion, and flexibility improvements shown above, EthoFlex™ ER also imparts greater adhesion and enhances the properties of inexpensive solvents. As icing on the cake, it is a low-VOC product. While low-VOC regulations frequently reduce performance, products can typically make up for them in one category or another while decreasing effectiveness in other categories. EthoFlex™ ER is unique in that it actually increases performance while a loss of performance is not seen in any facet of the epoxy system. Contact us today to request a free sample.

This product is covered by the following US patent: 9371435

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