What is ESD?
ESD (Electrostatic Discharge) is static electricity that is transferred from one object to another. We daily experience ESD as an electric shock or a spark, such as when we walk on a carpet or get out of a car and then touch something made of metal.
Static electricity occurs when non-conducting materials such as a shoe sole and floor surface touch one another. How much static electricity is stored in your body depends on materials, clothing, weather and indoor climate, but it reaches its highest level when humidity is low. For instance, we experience this on a frosty day when the hair stands up and becomes charged with static electricity, or if we feel a tiny electric shock when touching metal.
You can minimise static electricity using conductive materials, such as ESD approved footwear or clothing that literally grounds you and conducts static electricity away from your body. This way, you avoid transferring the static electricity to the material you are working with.
How much static electricity do you generate?
10-20% relative humidity | 65-90% relative humidity | |
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Person walking on a synthetic carpet | 35.000 Volts | 1.500 Volts |
Person walking on vinyl flooring | 12.000 Volts | 250 Volts |
Person in a seated workplace | 6.000 Volts | 100 Volts |
PVC bag lifted from a table top | 20.000 Volts | 1.200 Volts |
Desk chair with a polyurethane seat | 18.000 Volts | 1.500 Volts |
The lower the humidity, the more static electricity you will generate
Why protect against ESD?
Electronic components are very sensitive to static electricity and are affected by voltages that are far below what we daily experience as small shocks.
For instance, a sedentary person can generate up to 6,000 volts and first notice static electricity at 3,000 volts. But sensitive electronics can be damaged at just 100 volts. ESD protection is therefore important for all businesses working with electronic components – and especially for all internal employees and external craftspeople, installers and others working in ESD-critical areas (EPA – Electrostatic Discharge Protected Area).
What are the consequences of ESD?
ESD can cause severe damage to electronic components. The damage can occur during production, assembly, repair and servicing. In 10% of cases the damages are discovered internally, which may result in the loss of valuable time, reduced efficiency and increased production costs. But in 90% of cases the damage will only appear later – in the form of reduced performance, a periodic bug or a broken product.
It can do great damage to your company's image and lead to:
- Lost sales
- Decreased customer satisfaction and negative publicity
- Increased service-related costs and repairs
Choice of work footwear
When choosing work footwear for your customers, your employees or yourself, be aware of the difference between antistatic footwear and ESD approved footwear.
Antistatic footwear
Antistatic footwear dissipates the static electricity but has a relatively low conductivity. The user will therefore accumulate a larger amount of static electricity in the body. The electrical resistance is between 0.1 MΩ and 1000 MΩ, which is far above the standards for ESD approved footwear.
ESD approved footwear
ESD approved footwear ensures a continuous discharge of static electricity. The conductivity is significantly higher than in antistatic footwear, so the user absorbs a minimal amount of static electricity. In accordance with standards, the electrical resistance must be between 0.1 MΩ and 100 MΩ (EN 61340-4-3) or 0.1 MΩ and 35 MΩ (EN 61340-5-1). ESD approved footwear is always marked with the yellow ESD symbol.
More and more companies are requiring that employees use ESD approved work footwear. And although the challenges are greatest in the electronics industry, the use of ESD approved footwear is becoming more and more widespread in transportation and warehousing, and construction and craftsmanship.
ESD approved footwear from Sika Footwear
At Sika Footwear, the development of ESD approved footwear is an area of focus in product development, production and advisory services to our customers. As part of our quality assurance, we test our footwear in international industrial enterprises with stringent requirements for footwear meeting ESD standard EN 61340-4-3 or EN 61340-5-1 – even when humidity is low. Whatever your needs, we are here to help you and find exactly the right ESD approved footwear for your business.
ESD approved footwear from Sika Footwear
tune Customise selection
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334 Shelter
All-round safety shoe made of durable and breathable leather/textile. Flexible and slip resistant outsole. The shoe has a soft, comfortable and sweat absorbing inlay sole with foam cushioning in the heel to provide exceptionally good shock absorption. ProNose of lightweight and durable LIBA® Smart material with PU reinforcement for extra durability. ESD-approved
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411 Robust
Sturdy safety shoe with wide fit. Extra durable, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable, breathable and water repellent B-Xtreme leather that moulds to your foot. The inlay sole is made from shock absorbing and sweat transporting PU. With closed tongue, reflective details and ProNose for extra durability. ESD approved
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412 All Round
Sturdy safety bootee with wide fit. Extra durable, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable, breathable and water repellent B-Xtreme leather that moulds to your foot. The inlay sole is made from shock absorbing and sweat transporting PU. With closed tongue, reflective details and ProNose for extra durability. ESD approved
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413 Supporter
Sturdy safety boot with wide fit and Thinsulate™ lining. Extra durable, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable, breathable and water repellent B-Xtreme leather that moulds to your foot. The inlay sole is made from shock absorbing and sweat transporting PU. With inner zip, closed tongue, reflective details and ProNose for extra durability. ESD approved
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414 Surfer
Sturdy safety sandal with hook and loop closure and wide fit. Extra durable, slip resistant and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable and breathable B-Xtreme nubuck and with an inlay sole of shock absorbing and sweat transporting PU. With reflective details, reinforced lining of the heel and ProNose for extra durability. ESD approved
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415 Highway
Sturdy and extra breathable safety shoe with a wide fit. Extra durable, slip resistant, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300°C (HRO) The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable and breathable B-Xtreme nubuck and with an inlay sole of shock absorbing and sweat transporting PU. With reflective details, reinforced lining of the heel and ProNose for extra durability. ESD approved
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449 Welder
Sturdy safety bootee with wide fit and Velcro® closure. Extra durable, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable, breathable and water repellent B-Xtreme leather that moulds to your foot. The inlay sole is made from shock absorbing and sweat transporting PU. With closed tongue, reflective details and ProNose for extra durability. ESD approved
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513 Auriga
Lightweight, sporty and flexible safety shoe of breathable, water resistant and durable nubuck/suede. Slip resistant, shock absorbing and flexible outsole. Durable lining and a shock absorbing and breathable inlay sole of lightweight and antibacterial material. Metal free and ESD-approved.
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649 Drizzle
Lightweight, durable and smart safety shoe in full grain leather and with BOA® Fit System. The outsole is of extra slip resistant, flexible and shock absorbing EVA/rubber. The sole has a solid ladder grip and stabilising shank, which counteracts twisting and distributes the pressure across the entire sole. The inlay sole is of shock absorbing and sweat transporting PU. With a closed tongue, reinforced lining in the heel and ProNose for extra abrasion durability. ESD approved
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657 Storm
Lightweight, durable and smart safety bootee in full grain leather and with BOA® Fit System. The outsole is of extra slip resistant, flexible and shock absorbing EVA/rubber. The sole has a solid ladder grip and stabilising shank, which counteracts twisting and distributes the pressure across the entire sole. The inlay sole is of shock absorbing and sweat transporting PU. With a closed tongue, reinforced lining in the heel and ProNose for extra abrasion durability. ESD approved
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8110 Flex Light
Lightweight and flexible clog made from breathable and durable Permair® leather. With soft instep padding for extra comfort and stylish blue contrast seams. Slip resistant and shock absorbing outsole combined with a soft, shock absorbing and replaceable inlay sole that provides exceptional arch support. ProNose of lightweight and durable LIBA® Smart material for extra durability. ESD-approved
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8111 Flex Light
Lightweight and flexible clog made from breathable and durable Permair® leather. With soft instep padding for extra comfort and stylish blue contrast seams. Slip resistant and shock absorbing outsole combined with a soft, shock absorbing and replaceable inlay sole that provides exceptional arch support. ProNose of lightweight and durable LIBA® Smart material for extra durability. ESD-approved
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19466 Fusion Clog ESD
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19466 Fusion Clog ESD
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19467 Fusion Clog ESD
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19467 Fusion Clog ESD
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19468 Fusion Clog ESD
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19468 Fusion Clog ESD
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19476 Fusion Clog ESD
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19476 Fusion Clog ESD
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421 Advantage
Sturdy safety shoe with Velcro® closure and wide fit. Extra durable, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable, breathable and water repellent B-Xtreme leather that moulds to your foot. The inlay sole is made from shock absorbing and sweat transporting PU. With reflective details and ProNose for extra durability. ESD approved
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330 Atmosphere
Breathable safety sandal of durable leather/suede/textile with stylish details. Flexible and slip resistant outsole. Sweat absorbing lining. The sandal has a soft, comfortable and sweat absorbing inlay sole with foam cushioning in the heel that provides exceptionally good shock absorption. ProNose of lightweight and durable LIBA® Smart material for extra durability. With reflective details and ESD-approved.
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671 Cyclone
Light and sporty safety sandal made from durable, breathable and water resistant onDura® microfibre and with the BOA® Fit System. The lightweight PU/rubber outsole makes the shoes extra slip resistant, flexible and shock absorbing. The sole also features a stabilising shank, which counteracts twisting and distributes pressure across the entire sole. The inlay sole is made of shock-absorbing, breathable and sweat transporting PU and the lining has extra heel reinforcement. With heel protection and ProNose for extra durability. ESD approved
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672 Air
Light and sporty safety shoe made from durable, breathable and water resistant onDura® microfibre and with the BOA® Fit System. The lightweight PU/rubber outsole makes the shoes extra slip resistant, flexible and shock absorbing. The sole also features a stabilising shank, which counteracts twisting and distributes pressure across the entire sole. The inlay sole is made of shock-absorbing, breathable and sweat transporting PU and the lining has extra heel reinforcement. With heel protection and ProNose for extra durability. ESD approved
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202220 Primo
Extra slip resistant and easy-to-clean shoe with BOA® Fit System and Nanotoe™. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The shoe is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202220 Primo
Extra slip resistant and easy-to-clean shoe with BOA® Fit System and Nanotoe™. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The shoe is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202510 Front
Extra slip resistant and easy-to-clean bootee with zip, elastic over instep and nano toe cap. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The low boot is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Moisture-Tech® Technology with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202510 Front
Extra slip resistant and easy-to-clean bootee with zip, elastic over instep and nano toe cap. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The low boot is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Moisture-Tech® Technology with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202410 First
Extra slip resistant and easy-to-clean slipper with elastic over instep and Nanotoe™. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The shoe is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202410 First
Extra slip resistant and easy-to-clean slipper with elastic over instep and Nanotoe™. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The shoe is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202110 Lead
Extra slip resistant sandal with adjustable Velcro® closure, detachable tongue and Nanotoe™. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The sandal is made of breathable, durable and water resistant Permair® leather, while the lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. Lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202110 Lead
Extra slip resistant sandal with adjustable Velcro® closure, detachable tongue and Nanotoe™. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The sandal is made of breathable, durable and water resistant Permair® leather, while the lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. Lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202210 Premier
Extra slip resistant and easy-to-clean shoe with Nanotoe™ and elastic laces that can be tightened quickly and easily with a single pull. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The shoe is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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202210 Premier
Extra slip resistant and easy-to-clean shoe with Nanotoe™ and elastic laces that can be tightened quickly and easily with a single pull. The outsole has a solid ladder grip and a stabilising shank that counteracts twisting and distributes the pressure across the entire sole. The gel pad in the heel ensures exceptional shock absorption and cushioning. The shoe is made of breathable, durable and water resistant Permair® leather, while the inner lining is made of sweat transporting and fast-drying Sympatex Moisture-Tech® with extra reinforcement in the heel. Breathable, washable and antibacterial inlay sole with extra soft and pressure-relieving memory foam from heel to forefoot. Extra toe reinforcement, metal free, ESD approved and PVC-free. With lightweight, thin and strong toe cap of carbon nanotube reinforced fibreglass.
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642 Stream
Super lightweight and sporty safety shoe with BOA® Fit System. Made from durable, breathable and water-resistant microfibre with many smart details. The outsole is made from PU/rubber, which makes the shoes extra slip resistant, flexible and shock absorbing. The sole also features a stabilising shank, which counteracts twisting and distributes pressure across the entire sole. The inlay sole is made of shock-absorbing, breathable and sweat transporting PU and the lining has extra heel reinforcement. With ProNose for extra durability. ESD approved and PVC-free
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433 Breeze
Sturdy safety boot with wide fit and imitation fur lining. Extra durable, flexible and shock absorbing outsole of PU/nitrile rubber that can withstand temperatures of up to 300 °C (HRO). The sole has a stabilising shank that counteracts twisting and distributes pressure across the entire sole. Made from durable, breathable and water repellent B-Xtreme leather that moulds to your foot. The inlay sole is made from shock absorbing and sweat transporting PU. With waterproof and breathable membrane, inner zip, closed tongue, reflective details and ProNose for extra durability. PVC-free and ESD approved
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647 Lion
Lightweight and durable safety shoe with BOA® Fit System. The shoe is made of breathable and water resistant nubuck and has an outsole of extra slip resistant, flexible and shock absorbing EVA/rubber. The sole has a solid ladder grip and stabilising shank, which counteracts twisting and distributes the pressure across the entire sole. The inlay sole is made of shock absorbing and sweat transporting PU. With a closed tongue, reinforced lining in the heel and TPU-ProNose for extra durability. ESD approved, PVC-free
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