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Dr Cool Concentrated Coolant

Dr Cool Anti-Boil/Anti-Freeze Engine Coolant (DRC) is a full strength glycol concentrate (1004 grams of glycol per litre). It is a low silicate proprietary blend designed to meet the performance requirements of passenger cars, 4WD's and light commercial diesel vehicles.

Dr Cool Concentrated Coolant is a full strength concentrate (1004 grams of glycol per litre). It is a low silicate proprietary blend designed to meet the performance requirements of passenger cars, 4WDs and light commercial diesel vehicles. It is fully aluminium compatible and is suitable for use in lean burn engines where higher than normal temperatures are achieved in the cylinder head and block.

When used at 33% to 50% by volume in soft or demineralised water Dr Cool protects cooling system components for 2 years or 60,000km, whichever comes first. Dr Cool protects against all forms of corrosion and in addition provides anti-freeze and anti-boil protection.

Dr Cool is safe to use in all Commodores and Ford Falcons including V series and AU.
Note: Never mix coolants, even from the same manufacturer (unless a product label gives specific directions to do so).

Benefits

  • 2 years or 60,000 kilometres service life (whichever comes first)
  • Guaranteed to suit every vehicle
  • Provides optimum protection against corrosion of all cooling system metals
  • Harmless to hoses and rubber fittings
  • Expands operating temperature range of cooling systems (see details below)
  • Reduces nucleate or hot spot boiling
  • Not aggressive to water pump seals as is the case with coolants containing high levels of silicate
  • Reduces inventory for fleet operators

 

 

 

 

 

Directions for use

Follow directions on container label.

 

 

Tests

Temperature protection chart

Mix Ratio Makes Boiling point Freeze point
33.3% 3 litres p/litre of Dr Cool 126°C -16°C
50% 2 litres p/litre of Dr Cool 130°C -34°C

DRC AB/AF Engine Coolant Performance Testing

Coupon ASTM D 3306 Glassware Corrosion ASTM D 2570-94 Simulated Service
Type Test Results 1 Max. Spec. 1 Test Results1,2 Max. Spec. 1
Copper 1 10 1 20
Solder 1 30 1 60
Brass 0 10 2 20
Steel 1 10 0 20
Cast Iron 2 10 1 20
Aluminium 1 30 1 60

Weight Loss/Coupon (mg) 2 Copper/Brass radiator

ASTM Test Procedure Test Results Specification
D4340-89 Heat Rejecting Aluminium Corrosion 0.17 mg/cm2/week 1.0 max
D2809-94 Aluminium Water Pump Cavitation-Erosion Corrosion (rating from 1 - 10) 9 8 min

Dr Cool AB/AF Physical & Chemical Properties

Test Performance Test Method
PH (50% v/v) 7.6 ASTM D 1287
Reserve Alkalinity, ml 0.1N HCI 17.0 ASTM D 1121
Specific Gravity (15°C) 1.132 ASTM D 1122
Freeze Point
(50% v/v)
-34°C ASTM D 1177
Foaming Properties - volume (ml) 50 max. ASTM D 1881
Foaming Properties - Break time (sec.) 5 max. ASTM D 1881
Flash Point 116°C min. ASTM D 92
Ash Content (% w/w) 2.0 max. ASTM D 1119
Odour Characteristic  
Colour Green  
Shelf Life 2 years  
Total Glycol (% w/w) 94.0 min.  
Chloride (ppm) 25 max. ASTM D 3634
Total Apparent Water (% w/w) 9.0 max.  

First Aid Directions

If poisoning occurs, contact a doctor or Poisons Information Centre (Ph. Australia 131 126; New Zealand 0800 764 766). If swallowed and more than 15 minutes from hospital, induce vomiting, preferably using ipecac syrup (a.p.f). Not to be used as a food container.

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FAQs

What is meant by Type A and Type B coolant?

In 1977 an Australian Standard was created to help regulate the quality and performance of automotive coolants in the Australian passenger car and light commercial market. The current standard is known as AS2108-2004. Type A coolants are antifreeze/antiboil coolants with corrosion inhibitor that comply with the requirements of this standard. Type B coolants are coolants with corrosion inhibitors only that comply with the requirements of this standard.

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Related Questions

Yes it is suitable but often more expensive than demineralised or deionised water.

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Tap water quality can vary widely depending on your location. It is best to use demineralised or deionised water (Radiator & Cooling System Water (RCSW)), as tap water contains chemicals and minerals which can affect the performance of the coolant. 

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It is best to use deminalised or deionised water. Uncontaminated rain water is OK but if collected from roofs and gutters it can contain impurites which may affect coolant performance. Metal roofing materials, concrete roof tiles and tanks, dirt and dust, all contaminate rain water. These conatanimants have an adverse effect on your vehicle cooling system.

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No, it is OK to use. Dye is added to coolant for identification purposes. The dye used to colour the coolant, green, red, etc can be affected by sunlight and age but this does not effect the performance of the coolant.

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Yes, coolants that contain ethylene glycol are poisonous. If ingested it affects the central nervous system and can cause death. Nulon adds a bittering agent to its coolants that contain ethylene glycol to prevent accidental ingestion from children or pets. Help can be sourced via Poisons Information Centre : Australia phone 131 126, New Zealand phone 0800 764 766

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Most modern cars run their cooling systems at temperatures close to 100 degrees celsius. The bonus of using the antifreeze chemical (glycol) in coolant is that it also raises the boiling point. This gives protection against localised or hot spot boiling which can cause engine damage.

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Nulon coolants do have a shelf life. Nulon Green Premium Long Life Coolant 100% Concentrate (LL) and Green Premium Long Life Pre-Mix Coolant (LLTU) have a shelf life of three years. Red Premium Long Life Coolant 100% Concentrate (RLL), Blue Premium Long Life Coolant 100% Concentrate (BLL), ONE 100% Concentrate Coolant (ONE) and Super Heavy Duty Diesel Coolant 100% Concentrate (HDDC) have a shelf life of five years.

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While not essential we recommend using Radiator Flush and Clean (R40) to remove insulating built-up sludge and residue before changing coolant in any cooling system.

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No, coolant colour alone does not specify the chemical technology of the coolant. It is important to note that when coolants of different technology are mixed the performance is compromised.

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Ethylene glycol is a product used in automotive coolants to give the coolant a lower freezing point and higher boiling point. This allows vehicles to operate in sub zero climates and also allows engine coolants to reach higher temperatues before boiling.

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We show you how to change your vehicle's coolant in this easy step by step video. 

Nulon shows you how to change your vehicle's coolant in an easy step by step process. 
All you need to do this is: car jack, jack stands or ramps, screwdriver, socket or spanner, drain plug washer, oil drain pan, some rags, container for the used coolant, Gloves and Nulon Long Life Coolant.

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Internal combustion engine generate large amounts of heat. "Coolant" simpy means a liquid that provides  temperature-transferring properties. In an automotive cooling system it is required to transfer heat from the engine whilst protecting the engine from corrosion (i.e. rust) and erosion which can be caused by fluid movement. Many automotive coolants also have added chemicals to extend the operating temperature range of the fluid. These are known as antifreeze/antiboil coolants.

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Soft water, demineralised and deionised water are terms used to describe water which has low levels of dissolved mineral salts and ions of such metals as calcium, iron, or magnesium.

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Using the correct type of coolant is essential. The Nulon Lube Guide can provide a guide to you coolant requirements. If directions of use are followed correctly Nulon coolants will protect the system from corrosion for the recommended life of the coolant.

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These abbreviations refer to the technology used in the corrosion protection component of a coolant. IAT is Inorganic Additive Technology (often termed Conventional Technology), OAT is Organic Additive Technology, and HAT is Hybrid Additive Technology. To determine the best technology option and the preferred coolant for your car refer to the Nulon Lube Guide instore or online.

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The best answer to this question can be found in the Nulon Lube Guide, also available in store.

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This depends on the type of coolant your car requires and the climate extremes that your vehicle will operate in. Consult the Nulon Lube Guide for the suitable coolant type, consult your vehicle handbook and follow directions of use on label to determine the required ratio.

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Contact your local waste facilities or environmental protection agency. Used coolants can contain environmentally unfriendly materials that have originated from the engine cooling system and need appropriate disposal. Do not drain used coolant onto the ground or into storm water.

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