NIST 46H Portland Cement Fineness Standard, SRM (10/Pk)

NIST 46H Portland Cement Fineness Standard, SRM (10/Pk) - ASTM Certified

About the Standard

The NIST Portland Cement Fineness Standard Reference Material, SRM No. 46H is the foundation for any laboratory or facility that needs precise cement analysis. Developed and certified by the U.S. National Institute of Standards and Technology (NIST), this standard reference material is designed to calibrate fineness testing equipment and validate cement fineness tests according to strict ASTM methods. For those looking to purchase a certified standard for calibration, consider the NIST 114R Portland Cement Fineness, SRM No. 114R (20/Pk) for accurate and reliable reference.

Each SRM 46H package contains ten individually sealed vials of cement powder, with each vial packaged in a sealed foil bag. This protects the material from contamination and preserves the particle size distribution (PSD) which is critical for accurate and repeatable fineness. The expiration date is marked on the packaging so you always use the product within its certified shelf life.

SRM 46H is designed to have a consistent PSD making it ideal for establishing a sieve correction factor for the 45µm (No. 325) sieve used in C430 and AASHTO T 192 cement fineness tests. Its versatility is further enhanced by being certified as an alternate to BS-50 (NIST 114q) in some applications. The standard reference material supports a wide range of AASHTO test methods including ASTM C115, C204, ASTM C430, AASHTO T153, T192, T98, and T105 so it’s a one stop solution for all your cement testing needs.

Each set comes with a NIST certificate of composition and chemical analysis which includes detailed information on the material’s chemical makeup and particle size distribution, often determined by laser diffraction. This certificate gives you all the information you need to calibrate and validate your fineness testing equipment such as Blaine Air Permeability devices and air-jet sieves according to industry standards.

By using NIST SRM 46H you can be confident in your cement fineness measurements. The product’s robust certification, secure documentation make it an essential tool for quality control, research and compliance in the cement industry. For added convenience you can add this product to your cart and combine it with other related items such as our equipment, cube molds, moisture meters and other reference materials to get everything you need for your concrete testing.

The particle size distribution of the powdered cement is critical for accurate testing and is often measured using laser diffraction techniques.

BS-46 NIST Portland Cement, No. 46h is a reference material used to establish a sieve correction factor for the 45µm (No. 325) sieve used in the C430/AASHTO T 192 cement fineness test. Also certified as an alternate to BS-50 (NIST 114q) in applications. 10 vials of 5g each.

Specs:

• Includes certificate of composition and analysis

• Individually vials for easy use

SRM 46H Characteristics

10 vials of 5g each. Each vial is sealed for convenience and to protect the reference material for accurate and consistent results. NIST SRM 46H is also used as an alternate to BS-50 (NIST 114q) in some applications.

Meets Test Methods: AASHTO T153 AASHTO T192 AASHTO T98 ASTM C 115 ASTM C 204 ASTM C 430 ASTM C 115 AASHTO T 105. See our flash point tester equipment for equipment meeting these standards. See our asphalt flash point testers for equipment meeting these standards.

Quality and Compliance

NIST SRM 46H is produced and distributed by the National Institute of Standards and Technology (NIST), a well known and respected organization in the standards and measurement community. This material is certified to meet the requirements of ASTM standard methods so it complies with industry standards and gives confidence in its accuracy and reliability.