PPX™ products are tested by SwRI and with outstanding performance results.

Obtaining on petroleum products performace from Southwest Research Institute is akin to receiving the “Underwriters Laboratories” seal of approval for electrical appliances and household products.

 

 

Test Results by SOUTHWEST RESEARCH INSTITUTE

CODE Quaker State Quaker State & 10% Petron Plus AFR Remarks
Coefficient of Friction (ASTM D-2266) 0.540 0.045 Lower friction means

 

higher efficiency

       
CODE Mobil 1 Mobil 1 & 10% Petron Plus AFR Remarks
Oil Compatibility (JDM 22-4.9)     100% engine Oil

 

Not an additive

No heavy metal

Additive Separation NONE NONE
       
CODE Quaker State Quaker State & 10% Petron Plus AFR Remarks
Oil Compatibility (JDM 22-4.9)     100% engine Oil

 

Not an additive

No heavy metal

Additive Separation NONE NONE
       
CODE Quaker State Quaker State & 10% Petron Plus AFR Remarks
Rust Preventing Characteristics (ASTM D-665B) Fail Pass Protects against rust

 

and corrosion

       
CODE Quaker State Quaker State & 10% Petron Plus AFR Remarks
Rubber Compatibility (JDM 22-4.8)      
% Volume Change -1.38 +1.99 Keep rubber soft
Hardness Change +2 -2 avoid oil leaking
       
CODE Quaker State Quaker State & 10% Petron Plus AFR Remarks
Color (ASTM D-1500) 7.0 7.0 Of course it is the same

 

100% engine oil

       
CODE Quaker State Quaker State & 10% Petron Plus AFR 100% Petron Plus AFR
Viscosity @ 100°C,cSt (ASTM D-445) 12.08 12.77 12.79
Viscosity @ 40°C,cSt (ASTM D-445) 103.66 108.15 231.13
Viscosity @ 100°C,SuS (ASTM D-445) 66.70 69 98
Viscosity @ 40°C,SuS (ASTM D-445) 480.50 500 1070.0
       
CODE Quaker State Quaker State & 10% Petron Plus AFR 100% Petron Plus AFR
Viscosity Index (ASTM D-2270) 117 113 106.5
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