Document 78a463dN9qzmdQmyd3mYe6KR

K-f3006 ESTABLISHED 1802 E. I. d u Po n t d e Ne mo u r s & Co mp a n y INCORPORATSD Wil min g t o n 98, De l a w a r e PIGMENTS DEPARTMENT May 71958 HYPERPURS SILICON - PRICE ANNOUNCEMENT Effective May 1, 1958 prices on semiconductor and solar cell grades of hyperpure silicon are reduced as follows: GRADE FORM PREVIOUS PRICE PER LB. NEW PRICE PER LB. Semiconductor No, 1 111 rt 1It it Semiconductor No. 2 VI n 2 Needle $ 360 Densified 360 Standard Rod 360 Densified Standard Rod 250 250 $ 320 330 355 220 245 Semiconductor No. 3 31.1 It Solar Cell Densified Standard Rod Densified 160 I60 100 130 155 90 Standard rod will be If" i 1/81! in diameter and will weigh. 80 t 10 grams. All rod will be cut flat to facilitate stacking in the melt crucible. Each 80 gram slice will be packaged separately in a polyethylene bag to minimize breakage during shipment. Other rod diameters and lengths can be supplied. Price will depend upon size and quantity. Specifications on the four grades will remain as announced previously. Prices are f.o.b. Shipping Point. Terms: Net 10th Prox. JBS/fbp E, I, DU PONT DE NEMOURS & CO., INC, PIGMENTS DEPARTMENT BETTER THINGS FOR BETTER LIVING , . , THROUGH CHEMISTRY