HMLS Polyester Dipped SEC
HMLS Polyester Dipped SEC is a high-performance tire reinforcement cord professionally manufactured for tire industry carcass and belt reinforcement. This product delivers uniform strength and outstanding dimensional stability, effectively solving tire stretching and deformation problems during high-temperature molding and long-term operation.
- Material: High modulus low shrinkage special polyester filament
- Process: Precision twisting + professional RFL dipping treatment, standard S/Z twist finished
- Test Standard: 177℃*2min*0.05cN/dtex (Hot Air)
- Available Specs: 1100dtex, 1440dtex, 1670dtex, 2200dtex complete specifications
- Stable tension and uniform breaking strength
- Low dry shrinkage and excellent flex fatigue resistance
- High rubber adhesion and dimensional stability
- Anti-deformation and long fatigue life
- Tight rubber bonding capability
Automobile tires, engineering machinery tires, tire carcass and belt layer reinforcement. Widely applied in passenger car tires, truck tires and construction machinery tires to enhance pressure resistance, wear resistance and fatigue life.
| Cord Structure | Breaking Force (N) | Elongation at Break (%) | Elongation under Load | Diameter (mm) | Dry Shrinkage (%) | Adhesion (N/cm) | Z Twist (T/M) | S Twist (T/M) |
|---|---|---|---|---|---|---|---|---|
| 1100dtex/1*2 | >140 | ≥14.0 | ≤4.5% @44.1N | 0.56±0.05 | ≤2.0 | ≥125 | 450±15 | 450±15 |
| 1440dtex/1*2 | >180 | ≥14.0 | ≤4.5% @58N | 0.61±0.05 | ≤2.0 | ≥130 | 400±15 | 400±15 |
| 1670dtex/1*2 | >205 | ≥14.0 | ≤4.5% @66.6N | 0.66±0.05 | ≤2.0 | ≥150 | 370±15 | 370 |
| 2200dtex/2*2 | >270 | ≥14.0 | ≤4.5% @88.2N | 0.75±0.05 | ≤2.0 | ≥170 | 330±15 | 330 |
This dipped SEC cord possesses excellent flex fatigue resistance, capable of enduring long-term repeated bending, extrusion and impact loads without strength attenuation. The standardized dipping treatment enables fine adhesive layer formation, achieving excellent bonding with rubber compounds. Features ultra-low dry heat shrinkage and stable low-load elongation for consistent tire shape and improved driving stability.
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