Product Data
Castrol Duratec L
Gas Engine Lubricant
Description
Castrol DuratecTM L is a mineral based SAE 40 low ash gas engine lubricant.
Applications
Duratec L is formulated primarily for spark ignition natural gas engines where a low ash formulation is
specified and where the gas is largely free from aggressive components i.e. halogens and hydrogen
sulphide.
The detergent/dispersant additive system has been designed to control deposit formation and improve
oxidation characteristics whilst offering excellent corrosion control and TBN retention.,
Duratec L is approved by:
Deutz
Rolls Royce Ulstein (applications with separate lubrication for turbochargers)
Wärtsilä 175SG, 220SG, 25SG, 28SG and 34SG
Wärtsilä 32DF and 50DF dual fuel engines running predominantly on natural gas
Duratec L meets the requirements of / suitable for use in:
Perkins
Ruston
Caterpillar (3500 and 3600 series engines)
Waukesha (normal coolant temperature installations)
Advantages
• Excellent thermal and oxidative stability leads to longer oil life and extends drain intervals. This
reduces maintenance costs and down time.
• Provides good resistance to acid corrosion.
• Reduces deposits & maintains engine cleanliness.
• Excellent antiwear characteristics provide outstanding protection against piston, cylinder wear and
scuffing.
Duratec L
000000_2006_11
Castrol and the Castrol logo are trademarks of Castrol Limited, used under licence.
All reasonable care has been taken to ensure that the information contained in this publication is accurate as of the date of printing. However, such
information may, nevertheless, be affected by changes in the blend formulation occurring subsequent to the date of printing. Material Safety Data Sheets
are available for all Castrol products. The MSDS must be consulted for appropriate information regarding storage, safe handling and disposal of a
product. See www.msds.castrol.com.au
Castrol Australia Pty Limited, Industrial Lubricants and Services, GPO Box 5222, Melbourne VIC 3001
Technical Advice Line 1300 557 998 / Customer Service 1300 722 088
www.castrol.com/industrial
Page 1 of 2
Typical Characteristics
Test Method Units Duratec M
SAE Class 40
0
Density @ 15 C ISO 12185 / ASTM D 4052 g/mL 0.89
0
KV @ 100 C ISO 3104 / ASTM D445 mm2/s 13.0
KV @ 4000C ISO 3104 / ASTM D445 mm2/s 124
Viscosity Index ISO 2909 / ASTM 2270 - 97
0
Pour Point ISO 3016 / ASTM D97 C -18
0
Flash Point, COC ISO 2719 / ASTM D93 C 250
TBN ISO 3771 / ASTM D2896 mgKOH/g 4.5
Sulphated Ash ISO 3987 / ASTM D874 % wt 0.45
Zinc ASTM D4951 ppm 290
Phosphorus ASTM D4951 ppm 260
Boron ASTM D4951 ppm 150
Additional Information
Duratec L is classified as non hazardous according to the criteria of NOHSC. However, in line with safe
handling practices, it is recommended that the handling instructions outlined in the Castrol Material
Safety Data Sheet be followed.
Duratec L is classified as a C2 combustible liquid for storage and handling purposes. Store in a cool,
dry, well-ventilated area out of direct sunlight. Avoid sparks, flames and other ignition sources. Store
away from incompatible materials such as materials that support combustion (oxidising materials).
Reference should be made to Australian Standard AS1940 - The storage and handling of flammable
and combustible liquids.
Spillage: SMALL - 20 LITRES OR LESS
Soak up on Castrol Diatomaceous Earth or similar inert oil absorbent. Arrange for
disposal through an approved facility.
LARGE - GREATER THAN 20 LITRES
Contain as soon as possible, remove by best means available and arrange recycling
(preferred) or disposal through an approved facility.
Disposal: New or used material must not be allowed to enter the ground, ground water, water
courses, sewers or drainage systems. Advice may be sought from the Environmental
Protection Authority or from the local waste disposal authority.
Duratec L
000000_2006_11
Castrol and the Castrol logo are trademarks of Castrol Limited, used under licence.
All reasonable care has been taken to ensure that the information contained in this publication is accurate as of the date of printing. However, such
information may, nevertheless, be affected by changes in the blend formulation occurring subsequent to the date of printing. Material Safety Data Sheets
are available for all Castrol products. The MSDS must be consulted for appropriate information regarding storage, safe handling and disposal of a
product. See www.msds.castrol.com.au
Castrol Australia Pty Limited, Industrial Lubricants and Services, GPO Box 5222, Melbourne VIC 3001
Technical Advice Line 1300 557 998 / Customer Service 1300 722 088
www.castrol.com/industrial
Page 2 of 2
