When working within the petrochemical industry. Tranemo recommends garments certified according to EN 13034, EN 1149-5 and EN ISO 11612. The Anti-Static properties of a garment minimise the risk of creating sparks (a source of ignition) which could cause an explosion. Most of the fabrics that are certified according to EN 13034 have a treatment that protects against chemicals. It is important to choose the right fabric that passes the risk of the chemical group that is used within a business. These garments need to go through industrial laundry to re-activate and re-impregante the EN 13034 finishIn case of risk of an Electric Arc, you also need garments certified according to IEC 61482-2. High Visibility EN ISO 20471 may also be of needed if there is a risk from moving vehicles or where visibility of employees is important.