Austin Black A-325

Austin Black A-325 by Coal Fillers is produced from high quality, low volatile bituminous coal. It is recommended to be used as a filler and pigment for a wide variety of rubber and plastic products.

Benefits:

•  Improve air retention, ideal for tire inner tube and inner liner.
• Improve compression set of FKM (fluoro rubber) sealing and gasket products.
•  Low specific gravity (1.3), lower than typical carbon blacks (1.8) and other mineral fillers (2.6~2.9).
•  Reduce compound weight.
•  Excellent dielectric properties (low conductivity).
•  Neutral pH value of 7.0; does not affect scorch time and curing rate.