一、Understand the EPDM rubber granules
1. What is the EPDM rubber granules?
EPDM rubber granules are made of ternary ethylene propylene rubber, or EPDM granules.
The main components of EPDM rubber granules are copolymers of ethylene, propylene and a small amount of nonconjugated diolefin, a type of ethylene propylene rubber. It has a low density of 0.87, with good elasticity, weather resistance, chemical corrosion resistance, and resistance to ultraviolet radiation.
2. Advantages of the EPDM rubber granules
The physical features of EPDM rubber granules mainly include rich color, UV resistance, good stretching and resilience energy, tasteless non-toxic, simple maintenance, have many advantages, and can be customized according to customer needs.
- Rich in color: EPDM rubber granules can be designed into colorful patterns, and the floor cushion seam without difficult defects, the overall sense is strong.
- Ultraviolet light resistance: EPDM rubber granules have the characteristics of ultraviolet light resistance, stable color, even in the hot sun exposure is not easy to fade.
- Good stretching and resilience energy: with good stretching and resilience energy, safe, comfortable, can improve the movement effect, the athlete’s feet naked, joints have a good shock absorption protection effect.
- odorless and non-toxic: EPDM rubber granulestasteless and non-toxic, environmental protection, mildew-resistant antibacterial raw materials, not easy to breed moss.
- Simple maintenance: simple maintenance, with water and neutral detergent can remove dirt, a new look.
- Customizable: EPDM rubber granulescan be customized according to the color, size and rubber content required by customers to meet the different needs of users.
These physical features make EPDM rubber granules widely used in sports fields, lawn cushions and artificial lawn filling, providing a safe and comfortable environment, while meeting the needs of aesthetic and practical.
二、Construction process of EPDM rubber granules moving ground and its precautions
1. Construction process
Foundation treatment: comprehensively check the foundation of the construction site to ensure that the foundation is smooth, solid, no cracks, no sand and other problems. If necessary, polish and repair the foundation to achieve the flatness of the construction requirements. Clean up the dust and debris on the surface of the foundation and keep the foundation clean.
Laying: mix special glue and rubber granules in a certain proportion. Lay the mixed material evenly on the foundation, and scrape it with special tools to ensure the same thickness. After the bottom layer is laid, wait for some time to cure it.
Surface laying: after the bottom layer is cured, mix the glue and rubber granules again in a certain proportion. The mixed material is evenly laid on the bottom layer to form a surface layer, and is also scraped with special tools. You can make certain patterns or signs on the surface layer as needed.
Line: After the surface layer is fully solidified, the part of the line should be lined according to the design requirements, such as epdm plastic runway. When marking, use professional marking tools and materials to ensure that the lines are clear and straight.
2. Precautions
stock option
Choose reliable EPDM rubber granules and special glue to ensure the environmental protection and durability of the materials. Pay attention to the color matching of the material to meet the aesthetic requirements of the site.
Construction environment
Appropriate weather conditions should be selected during construction to avoid construction in rainy days, high temperature, low temperature and other harsh environment. The construction site should be kept well ventilated so that the glue can solidify quickly.
construction technique
Construction personnel should have certain professional technology and experience, familiar with the construction process and operation methods. In the laying process, attention should be paid to control the thickness and uniformity of the material to avoid uneven thickness.
safety precautions
Construction personnel should wear the necessary protective equipment, such as gloves, masks, etc. Warning signs shall be set up on the construction site to prevent irrelevant personnel from entering.
maintain
After the completion of construction, maintenance shall be carried out according to the requirements to avoid use before complete curing. Clean and maintain the site regularly to extend the service life.
三、10 most commonly used scenarios for EPDM rubber particle floor.
1.Kindergarten activity venue.
EPDM rubber particle ground has good elasticity and cushioning properties, which can effectively reduce the risk of children during play and running. Its rich colors can also create a lively and cheerful atmosphere for the kindergarten to attract children’s attention. In addition, the ground material has strong weather resistance, can adapt to various weather conditions, is not easy to fade and damage, and is convenient for the long-term use and maintenance of the kindergarten. Therefore, the kindergarten site often chooses EPDM rubber particle ground as its own sports ground.
2.Primary and secondary school playground running track.
The EPDM sports ground can provide students with a comfortable running experience, reduce the impact on the joints, and reduce the possibility of sports injury. EPDM rubber granules have good anti-skid performance, which can ensure the safety of students even in wet environment such as rainy days. And it has a certain wear resistance, can withstand the daily use of a large number of students and frequent sports activities, long service life, reduce the cost and trouble of frequent maintenance and replacement of the track in schools.
3.Fitness path area.
When people do a variety of fitness equipment exercise, if accidentally fall down, the rubber particle ground can play a good role in protection. It can relieve the body’s impact force against the ground and avoid injury. At the same time, its good durability can withstand the long-term placement of various fitness equipment and people’s continuous trampling, movement, etc., not easy to damage, easy to clean and maintain, keep the fitness area clean and safe.
4.Outdoor venue of the elderly activity center.
Elderly people are more vulnerable, and the soft properties of the EPDM rubber grain ground can reduce the degree of damage they suffer in an accidental fall. Its anti-skid performance can also guarantee the safety of the elderly when walking or doing simple exercise activities. And the ground material has a certain sound absorption effect, can reduce the interference of the surrounding environment noise to the elderly, to provide them with a relatively quiet and comfortable activity environment.
5.Playground ground.
Children are energetic when playing in the playground, often jumping, running and other movements, and the EPDM rubber granules on the ground can provide them with a safe landing buffer. Its bright and diverse, can create an interesting amusement environment, attract more children to come to play. The ground is also easy to clean, which can effectively maintain the hygiene of the playground, prevent bacteria breeding, and protect the physical and mental health of children.
6.Community leisure square.
Community residents have various leisure activities in the leisure square, such as dancing, playing tai chi, etc. The elasticity of the rubber grain ground can reduce the fatigue on their feet and joints when standing or exercising for a long time, especially for the elderly, which has a significant effect. Its good weather tolerance can adapt to climate change in different seasons and is not damaged by heat, cold or rain. At the same time, the beauty of the ground can also improve the overall environmental quality of the community.
7.Indoor training venues of sports venues.
EPDM rubber particle ground can be customized according to the needs of different sports projects, to meet the professional requirements of various training. For example, in basketball, badminton and other training venues, its good anti-skid and elastic performance helps athletes to better play the technical level, and can reduce the risk of fatigue and injury in the process of exercise. In addition, the ground material has a good sound absorption effect and can reduce the noise interference in the venue, so the EPDM rubber particle sports ground is very suitable as an indoor sports venue for the stadium.
8.Hospital rehabilitation outdoor site.
For the recovered patients, safety is crucial. The softness and cushioning properties of the EPDM rubber grain floor can meet the needs of various movements in rehabilitation training and protect the patient from secondary injuries. Its environmental protection and non-toxic characteristics also comply with the requirements of the hospital for the environment. At the same time, the color of the ground can be designed according to the needs of rehabilitation treatment to creating a positive and comfortable rehabilitation atmosphere.
9.Park Walk Road.
The park is one of the main places for people to walk, EPDM can provide a more comfortable walking experience. Its elasticity can reduce the pressure on the feet and legs when walking, especially suitable for the elderly and people walking for a long time. Moreover, the ground material has good water permeability, which can be drained quickly in rainy days to avoid water accumulation affecting people’s walking.
10.Ground around the swimming pool.
The ground around the swimming pool often comes into contact with the water, which needs to have good anti-skid performance. The EPDM rubber particle ground just meets this requirement. It prevents people from slipping and injuring themselves while going in and out of the pool. At the same time, the ground material is water and corrosion resistant, and will not be damaged by long-term exposure to water and swimming pool chemicals. Its colorful features can also add beauty to the swimming pool area.
四、Classification of the EPDM rubber granules.
EPDM, rubber particle classification mainly has the following types:
1.By color
Colour EPDM, rubber granules
Common red, blue, green, yellow and other bright colors, widely used in kindergartens, playground and other places of the ground laying, used to increase the beauty and attractiveness of the site, but also convenient to distinguish different activity areas. Color blending can be customized according to the specific needs of customers and design schemes to meet the requirements of various creative ground laying.
Black EPDM, rubber granules
Is the most common and basic color type, with good weather resistance and wear resistance, in all kinds of sports fields such as plastic track, football field and other extensive use. Due to its relatively low color versatility and cost, it is preferred in some engineering applications with no special requirements for color.
2.Classification by particle shape
Round granules
The surface is smooth, the liquidity is good, in the construction process is easier to spread evenly, can provide a relatively flat ground effect. The contact area between the circular granules is relatively small, which can better disperse the pressure and reduce the deformation and damage of the granules, so it is suitable for places under higher pressure, such as the buffer zone of the runway.
Irregular shape granules
With more edges and edges, it can increase the friction force and bite force between the granules, so that the laid ground has better stability and anti-skid performance. When irregular shaped granules are in contact with adhesives, they can form more contact points, thus enhancing the adhesion between the granules and the ground foundation, which is suitable for some fields that require higher adhesion, such as tennis courts.
3.Classification by performance and use
(1) EPDM, rubber granules
Such granules have good elasticity and shock absorption performance, which can effectively reduce the impact of the athletes and reduce the risk of injury. According to the requirements of different sports, the size, hardness and elasticity will be different. For example, EPDM rubber granules for plastic tracks are usually small and moderate to ensure smoothness and running comfort, while ball fields such as football fields are relatively large to provide better elasticity and cushioning.
(2) EPDM, rubber granules for children’s playground
The first consideration is safety, so the granules are usually specially processed to soften the surface and avoid injuries to children from falls during play. At the same time, in order to meet children’s needs for color and fun, the EPDM rubber granules used in children’s playground usually use a rich variety of colors, and can be spliced into a variety of interesting patterns and shapes.
(3) EPDM for waterproof coil material, rubber granules
As the addition material of waterproof coil, it mainly plays the role of enhancing the flexibility, aging resistance and waterproof performance of the coil. This kind of granules need to have good compatibility with other raw materials of the waterproofing coil, and can be evenly dispersed in the coil, forming a tight waterproof structure.
(4) EPDM for auto parts, rubber granules
Application in the car seal, shock pad and other parts manufacturing. The quality and performance of granules directly affect the performance and service life of automobile parts. For example, EPDM rubber granules used to make automobile seals need to have good high and low temperature resistance and sealing performance to ensure that automobiles can be well sealed under various climate conditions.
4.Classification by raw materials
(1) EPDM primary material granules
Using pure EPDM as the main raw material processing, with good elasticity, wear resistance and aging resistance, is a high quality rubber particle products, widely used in all kinds of rubber particle performance requirements of high places, such as professional sports venues.
(2) Regenerative granules
granules obtained from recycled waste EPDM rubber products after a series of processing treatments. The performance of this kind of granules is different from that of the original material granules, but the price is usually cheaper, and it has certain applications in some scenarios with less stringent performance requirements, such as ordinary children’s playgrounds. However, its quality is uneven, depending on the quality of the regeneration process.
(3) Modified granules with added excipients
In order to meet specific performance requirements or reduce cost, some other excipients, such as plasticizer, filler, are added to the production process of EPDM rubber granules. For example, modified EPDM rubber granules with special wear resistance materials have enhanced wear resistance; with some fiber materials, they may improve their strength. The types and properties of such granules are varied according to the different excipients added.
Above is the main content of this time, I believe that you have a certain end to the use of EPDM rubber granules scene!
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