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GB/T 269-2023 in English

GB/T 269-2023 in English

VALID

Determination of cone penetration of lubricating greases and petrolatum

  • Issued on:2023-05-23
  • Implemented on:2023-12-01
  • File Format:PDF
  • Delivery:Via email within 5 business days
Price(USD): $310.00
$301.00

《GB/T 269-2023润滑脂和石油脂锥入度测定法》由TC280(全国石油产品和润滑剂标准化技术委员会)归口,TC280SC1(全国石油产品和润滑剂标准化技术委员会石油燃料和润滑剂分会)执行,主管部门为国家标准委。


Introduction

Core Changes in Standards and Technological Evolution

  • Measurement accuracy0.1mm
  • Cone free fall ≥62mm
  • Horizontal adjustment error ≤0.5°

Cone component Quality specification:

  • Water bath needs to be equipped with anti-condensation device
  • Block specimens need to be kept at constant temperature in air bath
  • Thermometer calibration cycle ≤ 6 months

Precision control measures

  • Repeatability of full-size cone ≤ 7 units
  • 1/4 scale cone requires three parallel measurements
  • Abnormal value judgment: Δ>3 units need to be retested

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