Qualube Qualguard HD5X Coolant

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Product Details

Qualguard HD 5X Coolant is a blue/green ethylene glycol-based engine coolant concentrate, formulated for optimum performance in heavy duty diesel engine applications but equally suitable for light duty uses.

It employs established inhibitor technology and is nitrite, amine,and phosphate (NAP) free. BTC Classification Type 3E. The inhibitors include organic acids in combination with borate and silicate to provide excellent corrosion protection in all applications.

This product uses a superior silicate stabilisation technology to eliminate the potential for formation of silicate gel often observed with inferior products, whilst other additives ensure good compatibility with hard water and prevent the formation of scale that can result from use of hard water.

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