CROHMIQ static protective FIBC are used by Fortune 500 companies and others in a wide range of applications where flammable gas or vapor such as ethylene, toluene or methane or flammable dust such as corn starch, resins, and fertilizers are present.
CROHMIQ FIBC have an outstanding safety record with over 40 million FIBC used since their introduction.
The use of CROHMIQ static protective FIBC eliminates the need for operators to ground the FIBC prior to filling or emptying. The static dissipative performance is provided by the fabric and does not require special FIBC construction methods. The static dissipative property does not deteriorate over the life of the FIBC and maintains its protective properties through multiple refurbishment cycles.
According to industry experts, a leading cause of industrial accidents involving FIBC is a Type C FIBC with a broken or missing ground connection (see Britton’s article). Isolated Type C FIBC is extremely dangerous because they can produce energetic sparks that can easily ignite flammable gas and vapor and most flammable dust atmospheres. The proper grounding of Type C FIBC is prone to human error. FIBC made of CROHMIQ static protective Type D FIBC fabric have no special construction requirements and do not require grounding.
The IEC (International Electrotechnical Commission) was founded in 1906 in St. Louis, Missouri, and is presently comprised of 40 countries including the U.S.A. Its stated purpose is to establish standards for a wide variety of electrical products to encourage international trade.
Breakdown voltage determines a fabric’s ability to prevent dangerous propagating brush discharges (PBD). A specimen is placed between two electrodes the voltage increased until electrical breakdown occurs. The fabric is considered safe against PBD if breakdown occurs below 6 kV.
For ignition testing, charging rate (current), Minimum Ignition Energy (MIE) of the flammable material, and relative humidity are the critical test parameters amongst several that need to be controlled in order to establish safe performance of Type D bulk bags.
The test method closely simulates industrial handling of powders using a test apparatus that fills and empties FIBC with polypropylene pellets under controlled environmental conditions. A flammable gas probe is used to measure the ignition hazard of the static discharges from the FIBC using gas mixtures of defined MIE. The test parameters specified in IEC 61340-4-4 are intended to simulate the worst case conditions expected in industry.
TEXENE is proud to offer CROHMIQ fabric to a global network of FIBC Suppliers. These leading FIBC manufacturers will design, produce, and deliver FIBC made of CROHMIQ static protective Type D FIBC fabric to your specifications anywhere in the world. CROHMIQ fabric is available in two colors, CROHMIQ blue™ and CROHMIQ white™. Contact our Sales & Service staff for more information or to locate.