TAMPING ROD

Tamping Rod

Product Code: MSI 2020

The Tamping Rod is an essential tool used for manually compacting concrete into cube, cylinder, and beam molds during specimen preparation. Manufactured strictly in accordance with global testing standards—including IS 516, ASTM C-29, C-31, C-57, C-138, C-192, and AASHTO T-29 & T-23—it ensures uniform compaction and eliminates entrapped air pocket errors.

Fabricated from high-grade solid steel, this precision rod measures exactly 16 mm in diameter and 600 mm in length. It features professionally rounded ends on both sides to prevent catching or tearing on internal mold walls, allowing for smooth, compliant tamping strokes every time.

🎯 Applications

• Concrete Cube, Cylinder, and Beam Mold Compaction

• Slump Test Cone Compaction & Consolidation

• Fresh Concrete Density and Yield Tests (ASTM C-138)

• Laboratory and Field Concrete Specimen Preparation

• Civil Engineering Material Testing Laboratories

• Ready Mix Concrete (RMC) Plants & Construction Sites

• Research, Development, and Quality Control Labs

⭐ Features

• Multi-Standard Compliance: Fully conforms to IS 516, ASTM (C-29, C-31, C-57, C-138, C-192), and AASHTO (T-29, T-23).

• Solid Steel Build: Forged from high-tensile solid steel to provide the exact gravitational weight needed for effective compaction.

• Dual Rounded Ends: Both tips are precision-machined and rounded to prevent localized segregation or scratching of the mold linings.

• Standardized Dimensions: Machined to exact regulatory measurements of 16 mm diameter and 600 mm length.

• Corrosion Protection: Treated with a smooth, rust-resistant finish to withstand long-term exposure to alkaline concrete slurry.

• Ergonomic Grip: Streamlined cylindrical body allows for a secure, comfortable grasp during high-frequency laboratory pounding.

⚙️ Technical Specifications

Parameter Specification

Product Code ; MSI 2020

Standards Met : IS 516, ASTM C-29 / C-31 / C-57 / C-138 / C-192, AASHTO T-29 / T-23

Material : High-Grade Solid Steel

Diameter : 16 mm

Length ; 600 mm

End Profile : Hemispherically Rounded at Both Ends

Operation : Manual Compaction

📦 Standard Supply Includes

• Solid Steel Tamping Rod (16 mm x 600 mm)

🔬 Working Principle

When casting concrete test specimens, the concrete is placed in the mold in multiple, equal-depth layers according to code specs. The operator holds the tamping rod vertically and drives it down evenly into the concrete mix at a specific number of strokes per layer (e.g., 25 or 35 strokes depending on the standard). The rounded end allows the rod to penetrate deep into the material without pushing aggregate coarse pieces down forcefully or damaging the mold base, effectively forcing trapped air bubbles up to the surface for a perfectly dense, consolidated test specimen.

💡 Advantages

• Guarantees code-compliant specimen casting, preventing premature specimen failures caused by air voids.

• Ultra-durable solid steel rod will not bend, warp, or crack under heavy daily field usage.

• Saves mold lifespan due to the dual-ended smooth rounding that prevents interior wall scratching.

• Highly portable and lightweight design makes it easy to slide into any field testing kit.

🤝 Why Choose Multitech Scientific Instruments?

• Precision-engineered concrete testing equipment.

• Manufactured strictly to International Standards.

• High-quality fabrication and robust material choices.

• Consistent and reliable performance.

• Competitive pricing models.

• Excellent after-sales technical support.

• Trusted by laboratories, contractors, consultants, and educational institutions globally.

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