Product Description
The flip-flow screen, crafted from premium polyurethane flip-flow screen raw materials, a type of polyurethane raw materials, is a specialized equipment designed for screening small particles and wet, sticky materials. First introduced in coal science and technology in 1996, it is now widely adopted across industries such as coal mines, mining equipment, coal chemical, power, coke, metallurgy, and building materials.
● High Acceleration: Achieves high acceleration through the continuous expansion and contraction of the high-elasticity tensioned screen plate material, a critical component of polyurethane screen plates for mining equipment. This motion effectively prevents screen clogging.
● High Screening Efficiency: Polyurethane tensioned screens for coal applications deliver exceptional efficiency with minimal screen area, ensuring unclogged operation even in high-moisture environments.
● Excellent Wear Resistance: Engineered with wear-resistant polyurethane screen mesh materials and casting-molded polyurethane screen raw material, our screens boast unmatched durability, elasticity, and elongation at break, making them ideal for harsh conditions like wet material screening.
Designed specifically for demanding environments, these polyurethane screen materials for coal mines excel in coal processing, mineral separation, and abrasive material handling. Their high elasticity and tensioned design ensure longevity and consistent performance in critical operations.
● Mining-Grade Durability: Optimized for mining equipment, our screens withstand extreme wear and tear.
● Tailored for Coal: Polyurethane tensioned screens for coal applications prioritize efficiency and clog resistance.
● Advanced Manufacturing: Utilizing casting-molded polyurethane screen raw material, we guarantee precision and reliability.
| Product Name | RF30165 | |||||||
| A | Prepolymer Name | RF30165A | ||||||
| Prepolymer Casting Temperature/°C | 50 | |||||||
| B | Chain Extender | RF30165B | ||||||
| Casting Temperature/°C | 70 | |||||||
| C | Casting Temperature/°C | 45 | ||||||
| Mold | Temperature/°C | 80-100 | ||||||
| Post-Curing: After demolding, the product is left at room.emperature for 5 hours, then placed in an oven at 80-90°C for 16-24 hours. | ||||||||
| Ratio | RF30165A | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| RF30165B | 180 | 160 | 130 | 100 | 80 | 70 | 50 | |
| RF30165C | 8.9 | 9.8 | 11.3 | 12.6 | 13.7 | 14.2 | 14.9 | |
| Catalyst | RF30165CT | 1.2 | 1.1 | 1.0 | 0.9 | 0.4 | 0.36 | 0.4 |
| Note: The amount of catalyst is for reference only. Small-scale testing is required during actual production. | ||||||||
| Material Properties | Hardness (Shore A) | 65±2 | 70±2 | 75±2 | 80±2 | 85±2 | 90±2 | 95±2 |
| Tensile Strength (MPa) | 32 | 45 | 48 | 42 | 40 | 45 | 42 | |
| Elongation at Break (%) | 570 | 560 | 529 | 520 | 504 | 520 | 500 | |
| Tear Strength (N/mm) | 45 | 53 | 76.2 | 80 | 97 | 105 | 115 | |
| Resilience (%) | 55 | 45 | 45 | 43 | 43 | 43 | 40 | |
| DIN Abrasion (mm³) | 25 | 26 | 28 | 30 | 30 | 31 | 35 | |
| Applications | The material exhibits excellent wear resistance, tear resistance, and dynamic performance, making it suitable for screens, pipe linings, scrapers, blind plates, and oil pipeline pigs. | |||||||
Ruifeng Polymer is a reliable polyurethane chemical supplier, providing high-quality PU raw materials including memory foam systems, elastomer components, and special isocyanates. We support global clients with customized solutions and consistent quality.
Product Consistency:
Stable quality and reliable performance in every batch.
Stable Supply:
Own factory ensures long-term and steady supply.
Free Samples:
Free samples available for testing and evaluation.
Global Logistics:
Experienced in international shipping and hazardous export.
