Lubricant Hub: Asia's One-Stop Lubricant Portal

Cannot find the lubricants you need? Let us do the job for you.

Lubricant Hub is the Asia'a one-stop lubricant portal. Whichever oil major brand and type of lubricants that you're sourcing for, we will be able to provide you with the exact match, if not the equivalent lubricants. From:

British Petroleum (BP) | Caltex | Castrol | ExxonMobil | Singapore Petroleum Company (SPC) | Shell

we are certain to find the lubricant you need.

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British Petroleum (BP) | Caltex | Castrol | ExxonMobil | Singapore Petroleum Company (SPC) | Shell
Browse the lubricants by brands to find the lubricant you need.

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Lubricants have various applications from:
Aerospace, Automotive, Industrial & Marine. Browse the lubricants by Industries to find the lubricant you need.

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Lubricants are classified into various types:
Biodegradable / Mineral / Synthetic Lubricants to Diesel Engine Oil, Hydraulic Fluid, Gear Oil and so on. Browse by Lubricant Types to find the lubricant you need.

If you are unable to find the product you need, because:

  • highly specialized lubricant that cannot be found or too expensive
  • the lubricant you need is no longer in production
  • out of stock in your country

Simply contact us to send us the product datasheet. We'll do the sourcing for you. 

Look forward to fulfilling your lubricant needs.

From the staff at LubricantHub.Asia

Castrol VPI Concentrate OS


Castrol VPI Concentrate OS is formulated specially for use in enclosed systems.


Diluted – Product may be mixed with system oil at a dosage rate of 2% or 20 grams per litre of system oil. Unit should be run for approximately 5 minutes to circulate product thoroughly.

Concentrated – Product may be added to a drain sump or crankcase at a dosage rate of 1.5% of system lube oil capacity. For optimum performance product can be sprayed via access hole into crankcase or void space. Care should be taken not to lose vapour to atmosphere during this process.

Technical Data

Name Method Units VPI Concentrate OS
Appearance Visual Light amber liquid
Relative Density at 20°C ASTM D4052 g/ml 0.93 – 0.95
Acid Number   mgKOH/g 18 – 22
Flash Point, PMCC DIN EN ISO 2592 °C 107
Viscosity at 40°C IP 71 mm²/s 64
pH Aqueous Dispersion     6.0 – 6.5
Ash Content     0

The above figures are typical of those obtained with normal production tolerance and do not constitute a specification.

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