Table 2.--Clays sold or used by producers in the United States1/ in 1971, by kind and use (Metric tons) ------------------------------------------------------------------------------------------------------------------------------ Fire clay Ball Common clay (refractory Fuller's Undistrib- Use clay Bentonite and shale only) earth Kaolin uted2/ Total ------------------------------------------------------------------------------------------------------------------------------ Adhesives---------------------------- -- -- -- -- (3/) 49,289 -- 4/49,289 Alum, aluminum sulfate, and other chemicals--------------------------- -- (5/) 105 17,418 (5/) 117,910 6,512 141,945 Animal feed-------------------------- -- 81,963 -- -- 220 23,414 -- 105,596 Animal litter------------------------ -- (3/) -- -- 255,417 -- -- 4/255,417 Building brick----------------------- -- (3/) 17,794,270 -- -- -- -- 4/17,794,270 Catalysts (oil refining)------------- (5/) (5/) -- -- (5/) 50,188 4,570 54,759 Cement, portland--------------------- -- (3/) 10,543,209 -- -- 62,399 -- 4/10,605,608 Drain tile--------------------------- -- -- 602,705 -- -- -- -- 602,705 Drilling mud------------------------- (3/) 464,728 -- -- 64,453 (3/) -- 4/529,181 Enamel, glazes, and glass------------ -- -- -- -- -- 8,541 -- 8,541 Fertilizers-------------------------- -- 2,424 -- -- 46,495 52,990 -- 101,910 Fiberglass--------------------------- -- -- -- -- -- 113,715 -- 113,715 Filtering, clarifying, and decolor- izing------------------------------- -- 111,473 -- -- 43,306 -- -- 154,779 Firebrick and block------------------ (5/) (5/) -- 2,137,208 -- 391,571 100,550 2,629,329 Floor absorbents--------------------- -- (3/) -- -- 321,568 -- -- 4/321,568 Floor, wall, and quarry tile--------- 123,776 -- 75,186 (3/) -- 253,516 -- 4/452,478 Flower pots-------------------------- -- -- 54,224 -- -- -- -- 54,224 Flue linings------------------------- -- -- 52,610 -- -- -- -- 52,610 Foundry sand------------------------- -- 683,712 -- 407,065 -- -- -- 1,090,777 Gypsum products---------------------- -- (5/) -- -- (5/) 10,821 544 11,420 Insecticides and fungicides---------- (3/) 4,139 -- -- 163,991 13,587 -- 4/181,717 Lightweight aggregate---------------- -- -- 9,278,007 -- (3/) -- -- 4/9,278,007 Mortar and cement, refractory-------- (3/) -- -- 53,062 -- -- -- 4/53,062 Oil well sealing--------------------- -- 4,755 -- -- -- 1,165 -- 5,920 Paint-------------------------------- -- (5/) (5/) -- (5/) 111,075 3,778 114,853 Paper coating------------------------ -- -- -- -- (3/) 1,243,359 -- 4/1,243,359 Paper filling------------------------ (5/) (5/) -- -- -- 746,281 13,118 759,399 Pelletizing (iron ore)--------------- -- 702,589 -- -- -- -- -- 702,589 Plastics----------------------------- -- (5/) (5/) -- -- 71,940 275 72,215 Roadstone---------------------------- -- -- 72,389 -- -- -- -- 72,389 Roofing tile------------------------- -- -- 41,346 -- -- -- -- 41,346 Rubber------------------------------- (3/) -- -- -- -- 328,237 -- 4/328,237 Sewer pipe, vitrified---------------- -- -- 1,964,286 4,536 -- -- -- 1,968,822 Structural tile---------------------- -- -- 73,570 -- -- -- -- 73,570 Water sealing and waterproofing------ -- 109,494 -- -- -- -- -- 109,494 Whiteware---------------------------- 294,445 -- -- -- -- 195,819 -- 490,264 Other: Filler----------------------------- (5/) 878 (5/) -- -- 18,506 2,938 22,322 Heavy clay products---------------- -- -- 83,144 -- -- -- -- 83,144 Pottery---------------------------- 15,253 -- -- 14,353 -- 16,428 -- 46,034 Refractory------------------------- 32,042 -- -- 115,383 -- 474 -- 147,899 Miscellaneous---------------------- 8,166 3,919 -- 12,656 1,395 42,190 -- 68,326 Undistributed2/-------------------- 73,009 50,189 2,498 -- 22,963 -- -- -- Exports------------------------------ (5/) 198,072 -- (3/) (5/) 509,268 16,319 4/723,660 ----------------------------------------------------------------------------------------- Total6/------------------------ 546,691 2,418,337 40,637,550 2,761,681 919,808 4,432,681 -- 51,716,747 ------------------------------------------------------------------------------------------------------------------------------ 1/Includes Puerto Rico. 2/Total of clays indicated by footnote 5. 3/Withheld to avoid disclosing company propietary date; included with "Miscellaneous." 4/Incomplete figure; difference included with "Miscellaneous." 5/Withheld to avoid disclosing company propietary data; included with "Undistributed." 6/Data may not add to total shown because of independent rounding.