Quakercool 555

Quakercool 555

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Quakercool 555



  • QUAKERCOOL 555 is a high performance micro-emulsion ideally suited to all operations where high surface finish quality is a major requirement.
  • It is especially developed for demanding machining operations in Aerospace.
  • Ideal for Aluminium, steel and cast-iron machining operations.
  • Recommended concentration range: 5-15%, depending on the difficulty of operation.
  • Waterhardness: 120-480 ppm (12-48° TH, 6-28° dH).


  • In order to check the suitability for your particular application please contact our sales team on 01623 645 645.
  • The product should be used at a minimum of 4.0%.


  • Chlorine free.
  • Approved to Rolls Royce spec CSS 127
  • Excellent lubricating properties.
  • Ensures a good surface finish, especially on cast-iron and steel.
  • Excellent bio-resistance.
  • Does not contain Triazine biocide.
  • Pleasant odour.

Typical Properties - Concentrate:

Property Typical Value Unit
Appearance Clear Amber [-]
Kinematic Viscosity 100 [mm²/s, 40° C]
Density 972 [kg/m³, 15° C]
Pour Point <4 [° C]
Mineral Oil / Ester Content 36 / 10 [% wt]

Typical Properties - Emulsion:

Property Typical Value Unit
Appearance Off-White [-]
pH (5%, DIN water) 9.3 [-]
Corosion Threshold 4.0 [%, DIN 51360 T2]
Alkalinity (pH=5.0) 3.14 [ml 0.1 N HCl/%/25 ml]
Acid Split 0.72 [ml/%]
Refractometer 1.20 [%/° Brix]

Please note: 

An extra charge for delivery may be applicable depending on the area of delivery and the size of your goods, we will confirm this on receipt of your order. Please contact us for more information.

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Free delivery on all online orders over £54.99, delivered to the UK mainland only; A small order charge of £6.95+ vat is charged on all orders under £54.99 (net).

Some products are subject to an additional shipping surcharge due to their size and weight, contact us for details. Many of our items are available for next day delivery, where items are made to order or not currently in stock delivery times will vary.

Please contact us for a confirmed delivery date or alternatively a representative will confirm your order. Special delivery services are available; please contact our Sales Office to discuss your specific requirements.

The following postcodes will be subject to a delivery surcharge: AB31 to AB56, FK17-FK21, IV1-IV56 & IV63, JE1-JE5, KW1-KW17, PA21-PA40, PH4-PH41, PH49, PH50, HS, KA27, KA28, PA20, PA41-PA78, PH42-PH44 and ZE, This also includes Northern Ireland. Certain products within our range are subject to a delivery surcharge when delivered to additional areas in Scotland than those already listed.

We offer bulk discounts on all our products.

If you would like to find out more about bulk order discounts from Hall-Fast Industrial Supplies Ltd please contact us on 01623 645 645 or email sales@hall-fast.com.

Part Number Size Price Qty
HFOIL041 20 Litre
Excl. Tax: £102.23 Incl. Tax: £122.68
HFOIL042 205 Litre
Excl. Tax: £699.43 Incl. Tax: £839.32

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Estimated delivery is for guidance only, an exact delivery date will be confirmed on your order acknowledgement. Please contact us for further information.We make every effort to ensure that the information provided on this page is accurate, we can not be held responsible for any errors, typography or otherwise. Illustrations and images are representational of typical styles and designs may vary. Prices and specifications may alter without prior notice.

Quakercool 555