Overflowing cigarette butts and garbage clogging street drains may be a common urban sight, but they represent a serious environmental and public safety issue. Stormwater mixed with waste flows directly into rivers and oceans, disrupting ecosystems while also flooding roads and sidewalks. A game-changing solution has emerged from South Korea: World Top Mix Co., Ltd., better known by its brand name World Isaac, is tackling this issue head-on with its patented ‘Permeable Grating’ system.
Blocking Waste, Securing Safety – World Isaac’s Sustainable Grating
Headquartered in Hwaseong, Gyeonggi Province, World Isaac has introduced a cutting-edge drainage cover system that goes far beyond traditional grating. Branded as an environmentally responsible and socially engaged company, World Isaac’s permeable grating not only prevents trash from entering drainage channels but also delivers multiple functions: high permeability, anti-slip features, insect repellent design, and fine dust reduction.
According to the Korea Testing & Research Institute (KTR), the company’s grating passes an impressive permeability rate of 2,862 liters per hour, based on a 50×20 cm sample. This performance is more than sufficient to handle rainfall levels of 100mm/hour across an area of approximately 57 square meters. In addition, test results showed zero water pooling, ensuring effective drainage even during heavy rain.
Durability Backed by Tensile Strength Testing
Beyond permeability and environmental features, World Isaac’s grating also boasts verified structural durability. In a separate KTR test, the SS275 metal used in the product achieved a tensile strength of 506 N/mm², a yield strength of 356 N/mm², and elongation of 25%, all of which met or exceeded industry standards. A zinc coating level of 758 g/m² adds strong anti-corrosion properties, enhancing longevity in outdoor environments.
These structural strengths make the grating safe for pedestrians wearing high heels, riding bicycles, using strollers or wheelchairs, and even for passing vehicles. The design also reduces the risk of slipping or tripping, making it ideal for parks, sidewalks, public plazas, and schoolyards.
A Growing National Footprint with Global Potential
To date, World Isaac’s permeable grating has been installed in over 100 locations across South Korea—including Seoul’s Jamsil Park, Suwon World Cup Stadium, Jeju Dongmun Market, Hwaseong Gungpyeong Port, and Busan’s International Market. From urban parks to traditional markets, the product is being rapidly adopted in both metropolitan and regional areas.
With its proven functionality, eco-friendliness, and structural integrity, World Isaac’s permeable grating is poised to become a key component of sustainable urban infrastructure. The company continues to conduct third-party certification to uphold its quality and expand its reach. In an age of climate change and urban challenges, World Isaac stands out as a technology-driven company offering tangible, scalable solutions for cities around the world.
Transforming Urban Infrastructure: World Isaac’s ‘Permeable Grating’ Leads Environmental Innovation
Overflowing cigarette butts and garbage clogging street drains may be a common urban sight, but they represent a serious environmental and public safety issue. Stormwater mixed with waste flows directly into rivers and oceans, disrupting ecosystems while also flooding roads and sidewalks. A game-changing solution has emerged from South Korea: World Top Mix Co., Ltd., better known by its brand name World Isaac, is tackling this issue head-on with its patented ‘Permeable Grating’ system.
Blocking Waste, Securing Safety – World Isaac’s Sustainable Grating
Headquartered in Hwaseong, Gyeonggi Province, World Isaac has introduced a cutting-edge drainage cover system that goes far beyond traditional grating. Branded as an environmentally responsible and socially engaged company, World Isaac’s permeable grating not only prevents trash from entering drainage channels but also delivers multiple functions: high permeability, anti-slip features, insect repellent design, and fine dust reduction.
According to the Korea Testing & Research Institute (KTR), the company’s grating passes an impressive permeability rate of 2,862 liters per hour, based on a 50×20 cm sample. This performance is more than sufficient to handle rainfall levels of 100mm/hour across an area of approximately 57 square meters. In addition, test results showed zero water pooling, ensuring effective drainage even during heavy rain.
Durability Backed by Tensile Strength Testing
Beyond permeability and environmental features, World Isaac’s grating also boasts verified structural durability. In a separate KTR test, the SS275 metal used in the product achieved a tensile strength of 506 N/mm², a yield strength of 356 N/mm², and elongation of 25%, all of which met or exceeded industry standards. A zinc coating level of 758 g/m² adds strong anti-corrosion properties, enhancing longevity in outdoor environments.
These structural strengths make the grating safe for pedestrians wearing high heels, riding bicycles, using strollers or wheelchairs, and even for passing vehicles. The design also reduces the risk of slipping or tripping, making it ideal for parks, sidewalks, public plazas, and schoolyards.
A Growing National Footprint with Global Potential
To date, World Isaac’s permeable grating has been installed in over 100 locations across South Korea—including Seoul’s Jamsil Park, Suwon World Cup Stadium, Jeju Dongmun Market, Hwaseong Gungpyeong Port, and Busan’s International Market. From urban parks to traditional markets, the product is being rapidly adopted in both metropolitan and regional areas.
With its proven functionality, eco-friendliness, and structural integrity, World Isaac’s permeable grating is poised to become a key component of sustainable urban infrastructure. The company continues to conduct third-party certification to uphold its quality and expand its reach. In an age of climate change and urban challenges, World Isaac stands out as a technology-driven company offering tangible, scalable solutions for cities around the world.
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