High Cost-Effectiveness Polyurethane Glue

Physical state: Colorless to pale yellow, transparent liquid

Core components: Terminal isocyanate prepolymer, environmentally friendly MDI system

25Viscosity at ℃: 1500–2000 mPa·s; low viscosity with excellent fluidity.

Tensile strength: 0.4 MPa; elongation at break: 80%; sufficient elasticity and compliant cushioning performance.

Packaging specifications: 20 kg small drums, 200 kg standard iron drums; full-container-load bulk exports supported.

Meets environmental standardsLow-VOC eco-friendly formulation that meets campus site standards; no harsh odors during application, making it safe and worry-free for use on both campus and community sites.

Ultra-low viscosity, effortless and efficient construction:With a viscosity of only 1500–2000 mPa·s, it exhibits low mixing resistance when combined with rubber particles, making it less likely to clog mixing equipment. This allows for smoother manual and mechanical paving, significantly reducing construction time.

Physically stable and reliable:After curing, it exhibits excellent elasticity and good tensile elongation properties. It blends uniformly with the black granular base layer, making the formed surface resistant to cracking and flaking. Its structure remains stable even under long-term outdoor use.

1Strong adhesion:Suitable for both cement and asphalt substrates, it firmly bonds EPDM rubber granules, reducing post-installation maintenance issues such as blistering and particle shedding.

Ultra-high engineering cost-effectiveness:The raw material costs are moderate, and the unit price advantage is significant among comparable eco-friendly PU adhesives, enabling effective control of overall project costs for small- and medium-sized breathable running tracks and walking paths.

Objective shortcoming description:This product has moderate resistance to UV-induced yellowing. For surface coatings exposed outdoors for extended periods, we recommend using a complementary aliphatic topcoat with excellent yellowing resistance.

Breathable plastic running track black elastic base layer-specific adhesive glue

Outdoor EPDM Rubber Flooring Adhesive Application

Construction and renovation of simple, breathable playgrounds for primary and secondary schools, as well as rural fitness tracks.

Paved permeable rubber walkways in parks and resilient flooring bases for community leisure areas

Domestic County-Level Primary and Secondary School Breathable Track Project: A large-scale adoption of No. 20 adhesive packaged in 200-kg drums—its low-viscosity properties make it perfectly suited for use with standard construction mixers, reducing the paving time for large areas by 20%. All completed sites have met environmental standards in post-completion inspections.

Southeast Asia Export of Small-Scale Sports Field Projects: Packaged in 20kg small buckets for easy transportation to various construction sites, these products maintain stable fluidity even in hot tropical climates, and the repurchase rate among contractors continues to rise.

Urban Community Pathway Renovation Project: This product has low viscosity and ensures uniform mixing, resulting in minimal material loss during small-scale repair work. Owners have reported that the paving feel is significantly superior to that achieved with high-viscosity adhesives.

Q1: What is the biggest difference between 20 glue and 06 glue?

A: The key difference lies in viscosity: No. 20 glue has a viscosity of 1500–2000 mPa·s, offering better fluidity and requiring less effort during mixing; No. 06 glue has a viscosity of 5000–6000 mPa·s and is more viscous. Both can be used for the base layer of breathable running tracks and EPDM surface layers. If your budget is ample and you prioritize maximum construction efficiency, No. 20 glue is the preferred choice.

Q2: Could low viscosity lead to particle sedimentation or excessively large permeable pores?

A: The formulation has been field-tested, and after mixing according to the standard ratio, the particles are evenly dispersed. The formed permeable pores meet the specifications for breathable running tracks. Under normal construction conditions with the correct mix ratio, there will be no excessive pore sizes or particle settling.

Q3: Does this glue have all the necessary environmental certifications, and can it be exported?

A: Complies with China’s new national standard GB 36246-2018 and can provide a complete set of environmental testing reports, suitable for customs clearance and export of plastic sports flooring projects to overseas markets such as Southeast Asia and the Middle East.

Q4: Will the surface layer turn yellow if applied directly outdoors?

A: The product has relatively weak yellowing resistance and may slightly turn yellow after prolonged exposure to sunlight. If high color fidelity of the surface is required, we recommend using a yellowing-resistant polyurethane adhesive for the topcoat.

Q5: How do I choose between 20 kg and 200 kg packaging?

A: For small trails, localized repairs, and sporadic renovation projects, choose the 20-kg small bucket—flexible for storage and minimizing raw material waste. For newly built standard playgrounds and bulk orders for foreign trade, the 200-kg large bucket is preferred, as it offers lower unit procurement costs and is ideal for full-container ocean freight.

Q6: Will the viscosity increase during construction in cold weather?

A: In low-temperature environments, fluidity will slightly decrease. During winter construction, you can move the adhesive buckets indoors in advance to allow them to warm up. After they return to room temperature, stir and spread them for optimal construction results.