Description

Heavy-Duty Antifreeze/Coolant 50/50 – Green

This heavy-duty antifreeze/coolant 50/50 is a non-silicate, non-phosphate formulation designed to deliver reliable protection for both light- and heavy-duty cooling systems. It contains an initial charge of supplemental coolant additives (SCA) and a minimum of 2400 ppm Nitrite (as NO₂) to help prevent cavitation erosion and corrosion, especially in water pumps and wet sleeve cylinder liners.

Formulated with a high-performance inhibitor system, this product protects all common cooling system metals and components. Its glycol base, combined with corrosion inhibitors and dispersants, provides year-round protection against freeze-ups, boil-overs, scaling, and engine corrosion. The formula also helps manage minor oil contamination and will not harm automotive finishes or rubber parts.

This coolant is intended for use in a wide range of applications, including passenger cars, SUVs, light trucks, and heavy-duty diesel engines. For optimal performance, follow the manufacturer’s recommendations and implement regular coolant monitoring practices.

Pack Size: 55 Gallon Drum 

Features & Benefits

• Protects against cavitation and corrosion in heavy-duty engines
• Long-life protection for both light- and heavy-duty applications
• Controls scaling and prevents fouling
• Compatible with rubber and plastic components
• Dyed green for identification

   Meets the following industry specifications:

• ASTM D3306 (automotive/light-duty)
• ASTM D4985
  (heavy-duty diesel/low silicate)
•  ASTM D6210/11
  (fully formulated and precharged)
• TMC of ATA RP 329/330*
• TMC of ATA RP302A

Specifications

% Antifreeze	50%
Freezing Point: ºF ºC	-34 max -36 max
Boiling Point* ºF ºC	226 min 107 min

*Boiling point shown at atmospheric pressure.
Add 40°F for 15 psi radiator cap.

Characteristic	Specification	Typical	ASTM Method
Chloride	25 ppm, max.	3	D3634
Specific gravity, 60/60ºF	1.065 min	1.075	D1122
Nitrite	1200 ppm min	1400	D5827
Boiling Point, 50% V/V	226ºF/107ºC min.	229	D1120
Freezing Point, 50% V/V	-34ºF/-36ºC min.	-34	D1177
Effect on engine or vehicle finish	No effect	Pass	- -
Ash content, mass %	2.5 max.	2.0	D1119
pH, 50% V/V	9.5-10.8	10.5	D1287
Reserve alkalinity	None specified	5 min.	D1121
Water mass %	None specified	49.0 max.	D1123
Color	Distinctive	Green	- -
Effect on nonmetals	No adverse effect	Pass	- -
Storage stability	None specified	> 1 year	- -
Foaming	150 mi vol., max. 5 sec. break, max.	Pass	D1881

Cross Reference

• Peak Ready Use Green
• Mobil Coolant
• Shell Shellzone 50/50

Additional shipping fees will apply to residential, limited access, deliveries outside the regular delivery network or locations requiring a lift gate to complete delivery.