Viscosity standards (cSt) reads; 400 at 20 ?C, 300 at 25 ?C, 160 at 37.78 ?C, 140 at 40 ?C and 90 at 50 ?C Viscosity standard | VWRC85075.260 | Avantor

Description

Specifications Table

Product Name – Viscosity Standard (cSt)
Quantity/Pack Size – 500 ml
Form – Liquid
Grade – Analytical
Application – Viscometer calibration, reference fluid

Product Overview

This viscosity standard is a high-precision reference fluid designed for accurate calibration of viscometers and rheometers across a range of temperatures. The product is available in five calibrated viscosities: 400 cSt at 20°C, 300 cSt at 25°C, 160 cSt at 37.78°C, 140 cSt at 40°C, and 90 cSt at 50°C, ensuring compatibility with diverse laboratory requirements. Each batch undergoes rigorous quality control to maintain consistency and traceability, meeting international standards for analytical-grade fluids. The fluid’s stability and resistance to thermal degradation make it reliable for repeated use in quality assurance, research, and industrial applications. Packaged in a 500 ml amber glass bottle to prevent photodegradation, it ensures long-term stability and accurate results. The viscosity values are certified with a low uncertainty margin, providing confidence in measurement precision. Ideal for laboratories requiring NIST-traceable calibration standards, this product eliminates variability in viscosity testing, supporting reproducible and compliant workflows.

FAQs

1. What is the shelf life of this viscosity standard?

The viscosity standard remains stable for up to 24 months from the date of manufacture when stored in its original, unopened container at room temperature, away from direct sunlight and moisture. Regular recalibration is recommended if used frequently.

2. Can this standard be used with capillary viscometers?

Yes, this viscosity standard is fully compatible with capillary viscometers, including Cannon-Fenske, Ubbelohde, and Ostwald types. Its certified viscosity values ensure accurate calibration for these instruments across the specified temperature ranges.

3. Are there lower or higher viscosity alternatives available?

This product covers a mid-range viscosity spectrum. For lower viscosities, consider standards like 10 cSt or 20 cSt, while higher viscosities (e.g., 1000 cSt or 2000 cSt) are available for specialized applications. Contact support for custom requirements.

4. How should this standard be stored to maintain accuracy?

Store the bottle upright in a cool, dry place at temperatures between 15°C and 30°C. Avoid exposure to extreme temperatures or humidity, as these can alter the fluid’s properties. Always reseal the cap tightly after use.

5. Is this standard traceable to NIST or other metrology institutes?

The viscosity values are certified with traceability to NIST (National Institute of Standards and Technology) or equivalent national metrology institutes, ensuring compliance with ISO 17025 and other international calibration standards.