The Paragon Scientific Certified 20°C Density Standard, 1.0662 g/mL Nominal (Code: DEN20-10) is a high-quality reference material manufactured in the United Kingdom for precise density measurement calibration. Certified in accordance with ISO 17025 and ISO 17034 standards, it is specifically formulated to provide an accurate density value at 20°C, ensuring traceability to national and international measurement standards. Packaged under controlled conditions to maintain purity and stability, this standard is ideal for use in laboratories, quality control processes, and calibration of instruments such as densitometers and hydrometers.