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Suppliers of Bulk Bags, Vented Log Bags, FIBCs, Nets, Sacks & Liners

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Conductive bulk bags (anti-static / type C)

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Conductive bulk bags
Conductive type C bulk bag

Safe Protection Against Ignition Hazards

BSFL Packaging offer a range of Bulk Bags manufactured and designed to manage the occurrence of static electricity safely during FIBC filling and emptying operations, which is a critical concern for many industries. As bulk bags are made from polypropylene, an electrically insulating material, they are prone to the build up of static electricity as friction and separation occur during filling and discharging of the products.

When filling and emptying the FIBC with a bulk product, a combustible dust arises inside the FIBC. Thus when filling and emptying the FIBC in hazardous areas with explosive atmospheres, a reliable protection against the risk of electrostatically induced ignitions is essential.

BSFL Packaging’s range of Conductive Type C Anti-Static Bulk Bags is designed for use with materials and in locations where it is essential to avoid the risks of electrostatic ignitions during handling.

BSFL Packaging offers the entire range of protective measures for the safe handling of FIBCs in hazardous areas. There are four types of FIBC in use according to their ability for charge dissipation and/or limiting the energy of possible discharges. The four types of FIBC are explained below:

hazard

FIBC Types for Electrostatic Hazards

TYPE A FIBC without any protective measures against electrostatic charges.
Don’t use Type A FIBCs in the presence of flammable vapours or gases.
TYPE B FIBC with a breakdown voltage not exceeding 6 kV to prevent propagating discharges. Type B FIBCs can be used in the presence of combustible dusts with ignition energies > 3 mJ.
Don’t use Type B FIBCs in the presence of combustible dusts with ignition energies ≤ 3 mJ.
Don’t use Type B FIBCs in the presence of flammable vapours or gases
TYPE C FIBC with interconnected electrostatic conductive film tapes and conductive loops and/or conductive tabs for grounding. The breakdown voltage does not exceed 6 kV. Type C FIBCs can be used in the presence of combustible dusts and in the presence of flammable gases or vapours with ignition energies ≥ 0,14 mJ.
When filling and emptying, the Type C FIBC must be grounded.
TYPE D FIBC made usually from non-conductive fabric containing conductive threads or filaments which are not interconnected. Charge dissipation occurs into the surrounding of the FIBC via corona discharge. Earthing of the Type D FIBC has only a minor effect on charge dissipation and is not required. Type D FIBCs can be used in the presence of combustible dusts and in the presence of flammable gases or vapours with ignition energies ≥ 0,14 mJ.

Use of Different Types of FIBC

Bulk Product Surroundings
MIE of dust
(Minimum Ignition Energy)
Non-flammable atmosphere Explosive dust atmosphere Explosive gas and
vapour atmosphere
MIE > 1000 mJ A,B,C,D B,C,D C,D
1000 mJ > MIE > 3 mJ B,C,D B,C,D C,D
MIE < 3 mJ C,D C,D C,D
NOTE: Antistatic FIBCs are only one element of an electrostatically safe material handling system. It is the users responsibility to ensure that the correct FIBCs are used for a particular application. Neither the manufacturer nor Bag Supplies (fibc) Ltd accept liability for any loss or damage that may arise from the use of these bulk bags.

 

Contact Us

For further information on products for your packaging requirements, or to place an order, please contact us on +44 (0)1382 736334, email us at info@bsflpackaging.co.uk or complete our online enquiry form.