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NSF/ANSI 14
Plastics Piping System Components and Related Materials


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Huber Carbonates, LLC 
Engineered Minerals Division
251 Gordon Street 
Fairmount, GA 30139 
United States 
706-337-3243

Facility : Marble Hill, GA

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
Calcium Carbonate+ Hubercarb G2 5.00
Calcium Carbonate* + Hubercarb G2T 5.00
Calcium Carbonate+ Hubercarb G3 5.00
Calcium Carbonate* + Hubercarb G3T 5.00
Calcium Carbonate+ Hubercarb G35 5.00
Calcium Carbonate* + Hubercarb G35T 5.00

* Stearate Coated Particles
+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.


Facility : Quincy, IL

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
Calcium Carbonate+ Hubercarb Q-2 5.00
Calcium Carbonate* + Hubercarb Q-2T 5.00
Calcium Carbonate+ Hubercarb Q-3 5.00
Calcium Carbonate* + Hubercarb Q-3T 5.00
Calcium Carbonate+ Hubercarb W-3N 5.00
Calcium Carbonate+ Optifil 5.00
Calcium Carbonate* + Optifil T 5.00

* Stearate Coated Particles
+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.


Facility : Marble Falls, TX

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
Calcium Carbonate Functional Equivalent+ [1] [2] Hubercarb M-3 5
Calcium Carbonate Functional Equivalent* + [1] [2] Hubercarb M-3T 5

* Stearate Coated Particles
+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.
[1] Use of this ingredient in NSF Certified pipe requires prior authorization from NSF.
[2] Cannot be used with other functional equivalent ingredients.


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