Unbonded PC Strand (Unbonded Prestressed Concrete Strand)

Key Product Advantages

Superior Corrosion Protection: The specialized anti-rust grease and premium HDPE sheath provide dual-layer defense against moisture, chloride ions, and harsh environmental elements.

Low Friction & Smooth Movement: The uniform grease coating ensures a significantly lower friction coefficient, maximizing the efficiency of prestress force transmission during tensioning.

High Tensile Strength & Low Relaxation: Manufactured from premium carbon steel, delivering exceptional load-bearing capacity and minimal long-term stress loss.

Excellent Impact & Wear Resistance: The rugged HDPE outer sleeve protects the inner steel wire from scratches, punctures, and damage during transport and handling on job sites.

Time & Cost Efficiency: No grouting required on-site, which dramatically shortens the construction cycle, reduces labor costs, and simplifies quality control.

Typical Applications

Unbonded PC Strands are widely used in building structures and civil engineering projects that require thin slabs, large spans, or precise crack control:

Commercial & Residential Buildings: Post-tensioned (PT) floor slabs, foundations, and podiums in high-rise buildings.

Parking Garages: Multi-level parking structures that require long spans and exceptional resistance to dynamic loads and de-icing salts.

Slabs-on-Ground: Industrial floors, logistics warehouses, and residential foundations on expansive or unstable soils.

Civil Infrastructure: Bridges, water tanks, containment vessels, rock/soil anchors, and retrofitting of existing concrete structures. 

Packaging & Shipping Details

We understand the rigorous demands of international logistics. Our packaging ensures that the HDPE sheath remains intact and damage-free from our factory floor to your project site.

Coil Weight: 2.0 to 3.5 Metric Tons per coil (Custom coil weights available upon request).

Coil Dimensions: Inner Diameter (ID) approx. 700-900mm; Outer Diameter (OD) approx. 1200-1500mm; Width approx. 600-800mm.

Inner Packaging: Securely bound with heavy-duty steel bands to maintain structural integrity.

Outer Protective Layer: Wrapped in robust, waterproof woven fabric or plastic film to prevent moisture ingress and mechanical scratches during transit.

Container Loading (FCL): Fully optimized for 20ft Containers. Typically, 25-27 Metric Tons can be loaded per 20ft container using customized wooden/steel pallets and eye-to-the-sky or eye-to-the-side configurations, securely choked and strapped.

Technical Parameters (Specifications)

Our products are manufactured and strictly tested in accordance with international standards such as ASTM A416, BS 5896, EN 10138, and ISO 6934