Mykinâs RN00170, Nitrile (BUNA-N) 70 durometer, is a general purpose copolymer of butadiene and acrylonitrile. This compound has a relatively high acrylo content, making it exceptionally resistant to petroleum base oils and hydrocarbon fuels over a temperature range of -40Â°F to +250Â°F.
Wichita Falls is a city in and the county seat of Wichita County, Texas, United States. Wichita Falls is the principal city of the Wichita Falls Metropolitan Statistical Area, which encompasses all of Archer, Clay and Wichita counties. According to the 2010 census, the city had a population of 104,553 making it the twenty-ninth most populous city in the state of Texas. In addition to Sheppard Air Force Base, Wichita Falls is also home to the Newby-McMahon Building, constructed downtown in 1919 and since known as the  world's littlest skyscraper .
Marble Falls is a city in Burnet County, Texas, United States. As of the 2010 census, the city population was 6,077. It is about 48 miles (77 km) northwest of downtown Austin and 85 miles (137 km) north of San Antonio. Lake Marble Falls is part of the Highland Lakes on the Colorado River, the largest chain of lakes in Texas. It hosts one of the largest drag boat races in the United States each August.