2013-03-07 20:34:07 -

Includes new tables for 90°C and 105°C TPUs

CLEVELAND, March 7, 2013 - The Lubrizol Corporation announces that it was
successful in helping revise the UL 1581 reference standard for electrical
wires, cables, and flexible cords. Two added tables will help wire and cable
manufacturers develop higher-temperature-rated ruggedized products using
Lubrizol's Estane® TPU polymers as a jacketing material.

Lubrizol submitted a proposal to have TPU-specific tables created in section 50
of UL 1581. Following a review by UL's Collaborative Standards Development
System (CSDS), the revision of UL 1581 was approved. The latest revision of UL
1581 dated January 30, 2013 includes the two new tables: 50.227.1 and 50.227.2
for 90°C and 105°C TPUs respectively. For the 90°C rating, the table specifies
maintaining 65 percent of original tensile strength and 70 percent   of original
ultimate elongation. For the 105°C rating, the material is required to maintain
35 percent of original tensile strength and 85 percent of original ultimate
elongation. These new requirements reflect the aging behavior of polyether TPUs.

"Until recently, TPUs could only be rated at a maximum of 80°C under section 50
of UL standard 1581-there were no tables specifying requirements for
temperatures higher than that," notes Chetan Makadia, Lubrizol senior
applications engineer for Engineered Polymers. This often led cable-products
manufacturers to bypass TPU as a jacketing material for cables used in higher-
temperature industrial applications. With the revised standard, it is now
possible for cable customers to enjoy all the benefits of Lubrizol's Estane TPU
polymers, including resistance to oil and chemicals, as well as the higher
temperatures.

Lubrizol manufactures several different Estane TPU products for wire and cable
markets meeting the new requirements of UL 1581 for 90°C and 105°C. For more
information about Estane and other Lubrizol Engineered Polymers, please go to
www.lubrizol.com.

About The Lubrizol Corporation
The Lubrizol Corporation, a Berkshire Hathaway company, is an innovative
specialty chemical company that produces and supplies technologies to customers
in the global transportation, industrial and consumer markets. These
technologies include lubricant additives for engine oils, other transportation-
related fluids and industrial lubricants, as well as fuel additives for gasoline
and diesel fuel. In addition, Lubrizol makes ingredients and additives for
personal care products and pharmaceuticals; specialty materials, including
plastics technology and performance coatings in the form of specialty resins and
additives. Lubrizol's industry-leading technologies in additives, ingredients
and compounds enhance the quality, performance and value of customers' products,
while reducing their environmental impact.

With headquarters in Wickliffe, Ohio, The Lubrizol Corporation owns and operates
manufacturing facilities in 17 countries, as well as sales and technical offices
around the world. Founded in 1928, Lubrizol has approximately 7,000 employees
worldwide. Revenues for 2012 were $6.1 billion. For more information, visit
www.lubrizol.com.

Estane(®) is a registered trademark of The Lubrizol Corporation.

Media Contact
Michael Priola
+1-216-447-5697
Website: www.lubrizol.com

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Source: Lubrizol via Thomson Reuters ONE
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