The IEC standard covering the electrostatic classification of flexible intermediate bulk containers (FIBC) has just been updated.
The new standard is now available and links have been provided below to purchase edition 2.1 on the IEC Webstore. The biggest change from edition 2.0 is that the labeling requirements have been changed to improve clarity and ease of recognition by end users. Be sure your Type B, C and D labels are updated to comply with the new standard.
IEC 61340-4-4 edition 2.1 (Released November 11, 2014)
Electrostatics – Part 4-4: Standard test methods for specific applications – Electrostatic classification of flexible intermediate bulk containers (FIBC)