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Needle 1/12in (2.12mm) with Weight for Gillmore Needle Apparatus
The Gillmore Needle Apparatus is a precision instrument used to determine the initial and final set times of Portland cement, masonry cement, hydraulic hydrated lime, and certain mortars. It is designed to comply with ASTM C266 and other industry standards, making it an essential tool for construction material testing.
How It Works
The apparatus features an adjustable support with horizontal arms that guide two weighted needles, each with flat-end cylindrical stainless steel tips. The sturdy base includes a large, flat shelf to securely position test specimens during evaluation. To test the setting time of a molded specimen, two needles are used:
- Initial-set needle: 1/4 lb (113.4g) in weight and 1/12in (2.12mm) in diameter
- Final-set needle: 1 lb (453.6g) in weight and 1/24in (1.06mm) in diameter
Key Features
- Meets multiple ASTM and AASHTO test methods for set-time testing
- Includes both initial and final-set needles
- Large, stable base for secure specimen positioning
- Stainless steel needle tips for durability and accuracy
- Adjustable support arms for precise needle guidance
Compatible Test Methods
This apparatus meets the requirements of the following test methods:
- AASHTO T 154
- ASTM C266
- ASTM C414
- ASTM C150/150M
- ASTM C91/91M
