New BASF high performance plastic
Effectively immediately, BASF is adding a third type of polyarylsulfone to the two existing materials Ultrason® S (PSU) and Ultrason E (PESU). This new family member is Ultrason P, a polyphenylsulfone (PPSU). The first grade of the new product line is called Ultrason P 3010 and it is already available to customers now.
According to BASF, the material Ultrason P combines the high melting temperature of Ultrason E with the low water absorption of Ultrason S, while also displaying high chemical resistance. Its good notched-impact resistance is of particular significance since most amorphous high-performance plastics are notch-sensitive and can break at notches under impact stress. This property also becomes evident when the so-called Charpy notched impact strength is measured: Ultrason P achieves a value that is almost ten times greater than that of other amorphous high-temperature materials. It also lends itself much better to being sterilized with hot steam than other plastics of this class. Even when exposed to a combination of strong cleansers and disinfectants as well as high heat, Ultrason P remains unharmed, withstanding up to 2000 hot-steam cycles without problems. On top of it all, its inherent fire resistance is yet another plus point.
This new plastic is produced at BASF's Ultrason plant in Ludwigshafen, Germany, where the annual production capacity is currently being expanded from 6,000 to 12,000 tons. In addition to a transparent grade, a white and a black Ultrason P 3010 will also be added to the product range.
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