*extrusions* eNewsletter article - Tubing & Hose Buying Tips
NewAge Industries Plastic Tubing and Hose Fluid Transfer Specialists


eNEWSLETTER - Tubing & Hose Buying Tips
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Issue Number 14 SEPTEMBER 2010
Tubing & Hose Buying Tips
#14: Surface Characteristics

It can be challenging to make sure you’ve covered all the bases during the tubing and hose selection process. Have you considered all the elements involved with the application? Temperatures, chemicals, pressures, flexibility needs? In Tubing & Hose Buying Tips we’ll address common selection factors, one at a time, in each issue of extrusions.

surface characteristicsMany people naturally think of plastic as having a smooth surface. The plastic products we use regularly (computers, toothbrushes, phones, pens, cars, items from your kitchen) often have smooth, even glossy, surfaces. In some cases the surface is textured for aesthetic or gripping purposes.

What type of surface does the tubing or hose in your application need? Whether your tubing will carry fluid, air, or a granular or powdery substance, you'll likely want a smooth interior for the most efficient transfer. An irregular surface can cause resistance and slow the rate of flow.

Some thermoplastic tubing materials – PVC, for example – offer a very smooth surface (a low coefficient of friction). Others like fluoropolymer and polyethylene are even smoother and feel almost slippery. Polyurethane and certain thermoset rubbers such as silicone can feel tacky, and that might be a desired characteristic in particular applications.

What about the exterior? Should it, too, be smooth, or does it need a surface texture like ribbing to make it easier to grip and hold on to? Some tubing styles, specifically stainless steel overbraided types, can be supplied with a protective outer layer of silicone to make the product easier to handle at high temperatures and to eliminate entrapment issues. Other styles are coextrusions where one material is used for the inside and another for the outside. For instance, Hytrel®-lined PVC can be useful in a harsh environment application involving the transfer of oil. The durability of PVC works well for the exterior, while the oil resistance properties of Hytrel are a good fit for the interior.

Surface properties can also affect electrical conductivity and static dissipation.

PREVIOUS TUBING & HOSE BUYING TIP
#13: Quality


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NewAge offers Tubing and Hose in a wide variety of materials
PVC
Polyurethane
Silicone
TPR
Nylon
PTFE, FEP, PFA
Polyethylene
Polypropylene
Viton®
Hytrel®
Latex

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NewAge Industries' AdvantaPure products are manufactured to meet the strict sanitary requirements of the Pharmaceutical, Biomedical, Cosmetic, and Food Industries. Platinum-cured silicone tubing and silicone hose are manufactured in our state-of-the-art clean room and are ideal for applications that require cleanliness, non-toxicity, and resistance to extreme temperature variations. AdvantaPure also provides stainless-steel overbraided and rubber-covered fluoropolymer hose, sanitary fittings, and complete hose assemblies.

SPECIAL REDUCED PRICING
While Supplies Last

We are offering special discounts on select tubing, hose, & fittings products. These reduced prices are good while supplies last.

CLEARANCE
TUBING, HOSE & FITTINGS


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Contact Us For Experienced Technical Support:
Phone: 800-506-3924 or 215-526-2300
Fax: 800-837-1856 or 215-526-2190
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esales@newageindustries.com

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