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Safety Shoe Boots (60)

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Quality Safety Shoe Boots Workplace Safety Supplies with free worldwide shipping on  Dtcmro.com!Safety Shoe Boots
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Anti-smashing and anti-piercing safety shoes, anti-smashing and anti-piercing safety shoes are aimed at the working environment of sharp objects on the work ground such as glass slag, iron filings, iron nails, steel wires, and metal cutting leftovers. High tension is specially installed in the sole. Stainless steel high-elasticity nail-proof steel sheet. It can effectively prevent sharp piercing. Protect your feet from harm.

The puncture-proof safety shoes are specially equipped with high-tension stainless steel and high-elasticity nail-proof steel sheets in the soles. The puncture resistance capacity is up to 1500N, which is higher than the national standard of 1100N.

At the same time, it is continuously folded 150,000 times without cracks, and is treated with anode, heat treatment, baking varnish, and other anti-rust insulation. It has low-voltage insulation function.

The shoes are worn out. Before throwing them away, cut the soles of the shoes. The steel sheet is still shiny as new and will not corrode;

The testing machine is equipped with a pressure plate, and the pressure plate is equipped with test nails. The test nail is a head with a truncated tip. The hardness of the nail head should be greater than 60HRC. Place the shoe sole sample on the chassis of the testing machine so that the test nail can pierce through the outsole. The test nail pierces the sole at a speed of 10 mm/min ± 3 mm/min until it penetrates. Record the required The maximum force.

Choose 4 points on each sole for testing (at least one point is on the heel), the distance between each point is not less than 30mm, and the distance from the edge of the insole is greater than 10 mm. The bottom with non-slip blocks should be pierced between the blocks. Two of the four points should be tested within a distance of 10-15 mm from the edge line where the bottom corrugated plant is located.


If humidity will affect the results, the shoe sole should be immersed in deionized water at 20℃±2℃ for 16±1h before testing.

Baotou impact resistance:

The impact test is carried out with a steel impact hammer of the specified weight. When the toe cap is impacted, the gap height under the toe cap should be less than the specified value, and there should be no penetrating cracks in the toe cap in the direction of the test axis. It is worth noting that the requirements of the weight, specifications, impact height and the structure of the testing machine in the national standards are different, and they should be distinguished during the actual test.
Puncture resistance:

The testing machine is equipped with a pressure plate, and the pressure plate is equipped with test nails. The test nail is a head with a truncated tip. The hardness of the nail head should be greater than 60HRC. Place the shoe sole sample on the chassis of the testing machine so that the test nail can pierce through the outsole. The test nail pierces the sole at a speed of 10 mm/min ± 3 mm/min until it penetrates. Record the required The maximum force. Choose 4 points on each sole for testing (at least one point is on the heel), the distance between each point is not less than 30mm, and the distance from the edge of the insole is greater than 10 mm. The bottom with non-slip blocks should be pierced between the blocks. Two of the four points should be tested within a distance of 10-15 mm from the edge line where the bottom corrugated plant is located. If humidity will affect the results, the shoe sole should be immersed in deionized water at 20℃±2℃ for 16±1h before testing.
Anti-static performance:

After the shoe sample is adjusted in a dry and wet atmosphere, fill a clean steel ball into the shoe and place it on the metal probe device. Use the specified resistance test instrument to measure the first two probes and the third probe. Between the resistance. In general, conductive shoes require resistance not greater than 100K ohms; anti-static shoes require resistance between 100K ohms and 100M ohms.

Thermal insulation performance:

Take the finished shoe as the sample, install the thermocouple at the center of the inner bottom connection area, and fill the steel ball into the shoe. Adjust the temperature of the sand bath to 150℃±5℃, put the shoe sample on it, make the sand contact the outsole of the shoe, use the temperature test device connected with the thermocouple to measure the temperature of the insole and the corresponding time , Gives the temperature increase curve. Calculate the temperature that increases after 30 minutes from the time the sample is placed on the sand bath. Generally, thermal insulation shoes require that the temperature increase of the inner sole surface is less than 22°C.

Heel performance:
The maximum compressive load of the test instrument is 6000N, and it is equipped with a device to record load/deformation characteristics. Place the shoe sample with a heel on a steel plate, and place the test punch against the inner sole in the center of the heel part. The load is applied at a speed of 10 mm/min ± 3 mm/min. Plot the load/compression curve and calculate the absorbed energy E, expressed in Joules.

Anti-slip performance:

The standard stipulates the anti-slip coefficient of the test shoe sole, but the design and specifications of the anti-slip block are specified, such as the thickness of the shoe sole, the height of the anti-slip block, and the distance from the edge of the shoe sole.
Acid and alkali resistance:

Suitable for electroplating workers, pickling workers, electrolyzers, liquid distributors, chemical operators, etc. Note: Acid-alkali-resistant leather shoes can only be used in general low-concentration acid-alkali workplaces; avoid contact with high temperatures, sharp objects damage the shoe upper or shoe sole leakage; after wearing, rinse the acid-alkali liquid on the shoes with clean water, and then Dry, avoid direct sunlight or drying.
1. Hardness change (IRHD) Sulfuric acid, hydrochloric acid, sodium hydroxide △H=±10. (The test result is +6, +4, +3, which meets the standard)
2. Quality change (%) Sulfuric acid, hydrochloric acid, sodium hydroxide △m=±2 (test results are +0.6, +0.5, +0.6, in line with the standard).
3. Tensile performance (%) The reduction in tensile strength of sulfuric acid, hydrochloric acid, and sodium hydroxide is less than 15 (test results are -8, -6, -4, which meet the standard).
4. Elongation at break (%) The change of sulfuric acid, hydrochloric acid, and sodium hydroxide does not exceed ±20 (test results are -8, -5, -4, which meet the standard).

Function use:

With the continuous progress of my country's shoemaking technology and the increasing updating of global shoe materials, the variety of safety footwear is gradually diversified and upgraded. The design and technical requirements of domestic safety shoes have begun to gradually integrate with foreign countries. Computerized management is adopted. There are six categories of electrical insulation, anti-static, acid and alkali resistance, puncture resistance, toe protection, and general protective shoes. They have good oil resistance, Anti-smashing, anti-static, anti-puncture, acid and alkali resistance and insulation performance, divided into SB/SBP/S1/S1P/S2/S3 six safety levels, widely used in machinery, metallurgy, construction, chemical, pharmaceutical, mining, oilfields , Power and other industries. Each pair of shoes has passed the company's process quality control and strict factory inspection, and meets the national safety standards (most indicators exceed the national standards) and the European safety shoes EN345 standard. The products have been favored by more than 500 domestic industrial and mining enterprises, especially European and American joint ventures. And exported to the European Union, the United States, and Australia and other regional countries.
Function description
Safety shoes are the collective term for safety shoes and protective shoes. They generally refer to footwear that protects the feet and legs from foreseeable injuries that are worn in different workplaces. Different safety shoes have different application scopes, and have different requirements for the functions of safety shoes. The specific expressions are as follows:
Toe-protecting safety shoes: The safety performance of the inner toe cap is AN1 level, which is suitable for metallurgy, mining, forestry, port, loading and unloading, quarrying machinery, construction, petroleum, and chemical industries.
Anti-puncture safety shoes: anti-puncture strength is level 1, suitable for mining, fire fighting, construction, forestry, cold work, machinery industries, etc.
Anti-smash
Adopt the industry standard (protect toe safety shoes LD50-94), the inner lining of the toe safety shoes is steel toe cap, which has static pressure and impact resistance, puncture and smash resistance, very safe, tested and pressure resistant It is 10KN and the toe cap has an impact resistance of 23KG. After the impact hammer falls freely from the 450MM height to impact the toe cap, the deformation gap in the shoe is >=15MM. It is mainly used in mining, machinery and construction safety, metallurgy, steel, port hoisting and other heavy industry industries. The safe leather shoes that protect the toes are supported by rubber and elastomers, which are comfortable to wear and do not affect daily labor operations.
Anti-puncture
Protect the soles of the feet from sharp objects, with a maximum puncture force of 1100N, which is a national special-grade standard.
anti-static
Anti-static leather shoes are produced according to the GB4385-1995 standard, and the resistance value range is 100K'Ω-1000M'Ω. This product has good air permeability, anti-static, abrasion resistance, and non-slip functions. It is mainly suitable for aviation, aerospace and hazardous chemical industries. This is to avoid the occurrence of flammable and explosive accidents due to static electricity.
Oil resistant
According to the oil resistance standard test, the volume increase is not more than 12%. If the volume does not increase, but shrinks, the shrinkage is greater than 0.5% of the original volume or the hardness increase is greater than 10 (Shore A), according to GB/T 3903.1, the crack growth shall not be greater than 7mm after flexing 40,000 times.

Maintenance:
Safety shoes need correct use and maintenance to ensure that they are effective and maintain the user's foot health. Therefore, more attention should be paid to the following items:
First of all: clean the safety shoes regularly, and the important thing to pay attention to is not to use solvents as cleaning agents.
Second: Clean the soles frequently to avoid the accumulation of dirt, especially insulating safety shoes. The conductivity or anti-static performance of the soles will be affected by the dirt on the soles, and even endanger life and safety.
Again: Do not modify the structure of safety shoes arbitrarily. Because the structure of regular safety shoes is well designed by designers to protect personal safety, random modification may affect the safety index of safety shoes.
Finally: when not using safety shoes, store in a cool, dry and well-ventilated place. Safety shoes are a tool for people to protect their personal safety. They must be carefully implemented in terms of use and maintenance.

Instructions for use:

Toe protection
1. Product implementation standard LD50-1994 "Safety shoes (boots) for toe protection". The new national standard GB21148-2020 "Foot Protection Safety Shoes".
2. Grades An1, An2, An3, An4, An5 toe caps with static pressure resistance are 15KN, 10KN, 4.4KN, 3.0KN, 1.5KN, respectively, and the internal clearance of the toe cap is ≥15mm. The safety shoes of grades An1, An2, and An3 fall freely from the height of 900mm, 450mm, and 225mm respectively with a 23Kg impact hammer, and the internal clearance of the toe cap is ≥15mm. Safety shoes of grades An4 and An5 fall freely with a height of 450mm and 225mm respectively with a 5Kg impact hammer, and the internal clearance of the toe cap is ≥15mm.
3. An1 is suitable for operations in metallurgy, mining, forestry, ports, ships, loading and unloading, quarrying, heavy industry, etc.; An2 is suitable for operations in machinery, construction, petrochemical industries, etc.; An3 is suitable for electronics, food, medicine and other industries ; An4~An5 are suitable for the textile industry and clamp work, and are used to prevent injury to the toes (labor protection shoes), which are necessary for labor protection.
4. When the safety shoes are transported and stored, they should avoid direct sunlight, rain and moisture. The storage should be well ventilated, dry, and beware of mildew and moth. They should be stacked more than 0.2m away from the ground and walls, and do not corrode with acids, alkalis, and other corrosion. Performance and contact with toxic and harmful substances.
Anti-static shoes
1. Product implementation standard GB4385-1995. The electrical performance is tested according to Appendix A in GB4385-1995.
2. Anti-static shoes are protective shoes that can remove the static electricity of the human body and prevent the power supply below 250V from clicking on the limit. Suitable for flammable and explosive workplaces.
3. Anti-static shoes are forbidden to be used as insulated shoes. When wearing, you should not wear insulating woolen thick socks and insulating pads at the same time, and should be used on an anti-static floor.
4. During the wearing process of anti-static shoes, the resistance value of shoes should be tested once, generally within 200h. If the resistance is not within the specified range of 100KΩ-1000MΩ, it cannot be used as anti-static shoes. Products older than 18 months from the date of production should undergo relevant electrical performance inspections and meet the standard requirements before they can be sold and used.
5. During storage, anti-static safety shoes should be stored in a dry and ventilated warehouse to prevent mildew. They should be stacked more than 0.2m away from the ground and walls, and more than 1m away from all heating elements. During transportation and storage, it is strictly forbidden to mix them with oil, Contact with acids, alkalis or other corrosive materials.

Electrically insulated leather shoes:
1. Product implementation standard GB21148-2020. Main technical parameters: test voltage 6KV, leakage current ≤1.8mA, no breakdown for 1min.
2. The product is 6KV cow leather insulated shoes, suitable for wearing under 1KV in the working environment, and used as auxiliary safety equipment and labor protection shoes during work. When using, must strictly abide by the electrical safety engineering regulations (DL408 and DL409).
3. When wearing electrically insulated shoes, the working environment should keep the uppers dry. (Electrical insulation shoes are sometimes called electrician shoes)
4. The product should not come into contact with sharps, high temperature, acid, alkali or other corrosive objects. Where the bottom of the upper is corroded or damaged, it should not be used with electrically insulating shoes.
5. During storage, it should be stored in a dry and ventilated warehouse to prevent mildew, and be stacked more than 0.2m away from the ground and walls. The storage period is 24 months, and electrical insulation safety shoes over 24 months must be tested for preventive electrical performance.
Puncture-proof shoes
1. The product implementation standard is GB12017-1989, which is applicable to labor protection shoes for mining, forestry, fire protection, construction and other industries to prevent plantar puncture injuries. It is a necessary product for labor protection.
2. Anti-piercing special grade, grade I, grade Ⅱ, etc., and their piercing resistance are ≥1100N, 780N, 490N, respectively. The corresponding grade of puncture-resistant shoes should be selected according to different working environments.
3. Avoid direct sunlight, rain and damp during transportation and storage. The storage warehouse should be well ventilated, dry, and beware of mildew and moth. Stacked above 0.2m away from the ground and walls. Do not pierce the protective shoes with acid, alkali, Contact with other corrosive properties and toxic and harmful substances.
Oil resistant protective shoes
1. The product implementation standard is GB16756-1997, which is suitable for dressing in factories, coal mines, oil fields and other industries.
2. The product has a storage period of 2 years from the date of production. Oil-resistant protective shoes should be stored in a ventilated, dry, mold-proof, and insect-proof place. Contact with acids, alkalis or other corrosive materials is strictly prohibited.

Terms of Use:
Oil-proof shoes are used in places where the ground is oily or splashed; waterproof shoes are used in work places where ground water or splashing water; cold-proof shoes are used to protect the feet of low-temperature workers from frostbite.
The puncture-proof shoes are used to protect the soles of the feet and prevent being punctured by various sharp and hard objects.
The main function of anti-smashing shoes is to prevent falling objects from hurting the feet. The front toe cap of the shoe has impact-resistant material.
The main function of steel shoes is to prevent burns and punctures, and should be able to withstand a certain static pressure and temperature, and be non-flammable. This type of shoes is suitable for smelting, furnace front, cast iron, etc.
In addition to the above, there are also some special shoe covers for supporting use, such as canvas, asbestos, and aluminum film shoe covers.
The selection and maintenance of protective shoes The selection of protective shoes should be carried out according to the nature and degree of the hazard of the working environment. Protective shoes should have product certificates and product instructions. Read the instruction manual according to the conditions of use before use, and the method of use must be correct. Special protective shoes should be checked and kept clean after use, and stored in a pollution-free and dry place.

size selection:
The shoe sizes circulating in the market are messy, and a more reliable method is to choose suitable safety shoes by trying them on. Try on to have a comfortable feeling. The steel toe cap of the toe does not squeeze and jam the foot. The toes can move flexibly without the feeling of sliding forward or backward. There is no feeling of taking off the heel when walking. The so-called fit mainly refers to: the size of the shoe fits the foot, not too big or small; the toes can move freely in the shoe; the waist support of the shoe fits the arch of the foot firmly; the heel of the shoe is firm.
Even if you choose safety shoes through try-on, the basic points of the choice cannot be neglected. There are mainly the following aspects:
1. The front tip of safety shoes has a certain margin, especially safety shoes, because there is a hard steel head on the front. When wearing, pay attention to the toe to have enough margin. If you usually stand for a long time, then your toes should have more room for movement. Otherwise, if your toes are in a state of squeezing for a long time, it will cause great injury to your feet over time! When choosing safety shoes, many people feel that the safety shoes of the same size are larger than the usual fashion shoes. This is because the safety shoes are increased in accordance with the national requirements when they are made. In fact, what size shoes do we usually wear? , Just buy safety shoes of any size.
2. Different types of safety shoes have different weight requirements. The fatness of the foot is expressed by the width of the sole and the circumference of the metatarsal toe. The fatness of the shoe is determined by the size of the internal space of the shoe cavity. It depends on the circumference of the shoe last and the width of the last sole. The manufacturer chooses to decide. Consumers can only choose according to the effect of the try-on.
3. The heel of the safety shoes and the heel of the foot are not tight or loose.
4. The safety upper cannot squeeze the instep
5. The waist of the safety shoe fits with the arch of the foot, and the waist must hold the foot
The difference with protective shoes:
Many people think that protective shoes are safety shoes. In fact, this statement is incorrect. According to my country's current standards, safety shoes and protective shoes are different chapters of a standard. It can be known from the standard chapters that the two are not the same, otherwise, the country does not need to formulate different standard chapters. [1] Specifically, the national standards for protective shoes and safety shoes are similar in many ways.

Safety Shoe Boots

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