This is the free Material Data Center Datasheet of Ultramid® B5W BM UN - PA6 - BASF

Ultramid B5W BM UN is a high-viscosity stabilized PA6 extrusion grade with high resistance to heat aging.

Typical applications include tubes in the automotive sector, semi-finished products and blow
mouldings.

PREPROCESSING
Pre/Post-processing, Pre-drying, Temperature: 83 °C
Pre/Post-processing, Pre-drying, Time: 2 - 4 h

PROCESSING
injection molding, Melt temperature, range: 245 - 260 °C
injection molding, Mold temperature, range: 60 °C


Max. Water content: 0.15%

Material is supplied in sealed containers and drying prior to molding in a dehumidifying or desiccant dryer is recommended. Drying parameters are dependent upon the actual percentage of moisture in the pellets and typical pre-drying conditions are 2-4 hours at 180F (83C). Further information concerning safe handling procedures can be obtained from the Safety Data Sheet (MSDS), or by contacting your BASF representative.

Mold temperatures of 60°C (140°F) are generally recommended;
however, surface temperatures of 10-95°C (50-203°F) can be
used where applicable. The degree of crystallinity of thin
polyamide wall sections, 0.6mm (.023") or less, may be controlled
by the temperature of the mold. A cold mold, 5-30°C (41-86°F),
will rapidly quench the section producing a clear, relatively
flexible part, while a hot mold, over 40°C (104°F), will
produce an opaque part with increased stiffness.

A diametrical blow ratio of 2:1 is generally recommended for
plain symmetrical parts. As part complexity increases, lower
blow ratios should be utilized to prevent thin wall cross
sections, especially in corners.