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immediate downloadReleased: 2006-03-03
BS EN ISO 4263-4:2006
Petroleum and related products. Determination of the ageing behaviour of inhibited oils and fluids. TOST test Procedure for industrial gear oils
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| Standard number: | BS EN ISO 4263-4:2006 |
| Pages: | 24 |
| Released: | 2006-03-03 |
| ISBN: | 0 580 47920 X |
| Status: | Standard |
DESCRIPTION
BS EN ISO 4263-4:2006
This standard BS EN ISO 4263-4:2006 Petroleum and related products. Determination of the ageing behaviour of inhibited oils and fluids. TOST test is classified in these ICS categories:
- 75.100 Lubricants, industrial oils and related products
This part of ISO 4263 specifies a method for the determination of the ageing behaviour of gear oils of categories CKC, CKD, CKS and CKT as defined in ISO 6743-6[5]. The ageing is accelerated by the presence of air and elevated temperatures, and the degradation of the oil is assessed by the change in kinematic viscosity at 100 °C, the insoluble content (precipitation number), and possibly the acid number increase, the sediment content by filtration, the additives content variation and the infra-red oxidation.