GLASS THE THICKNESS OF THE MATERIAL LOWEST PUBLISHED ESTIMATED NM POINT ESTIMATED NM POINT LAST PUBLISHED
GENERIC CODE ORIGIN THE GENERAL SOURCE AVAILABILITY USED TO GENERATE THE PUBLISHED TRANSMISSION OCCURRING WHERE TRANSMISSION WHERE TRANSMISSION TRANSMISSION IN
 -----  ------ ALPHA CODE USED CATALOG  ------ NM TRANSMISSION VALUES IN OR NEAR APPROACHES "~" 50%  APPROACHES "~" 90%  THE IR SPECTRUM THAT KNOOP YIELD EXPANSION  DENSITY DENSITY
PER  MANUFACTURER OR IN THE COUNTRY DATE P=PREFERRED/AVAIL. PROVIDED ON THE THE UV SPECTRUM IS 90% OR GREATER HARDNESS (DEFORMATION)   COEFFICIENT  GM/CM^3  LB./IN^3
MIL-STD. COUNTRY INDICATED OR FOR THE EG=ECOLOGICAL THE REFERENCED LINE  -----  -----  ----- (SEE MFTR. TEMPERATURE ( X 10^-7)
G-174-B  ------ AS THE  LINE  H = HISTORICAL  -----  ----- ASCENDING FROM OR  ASCENDING FROM UV  DESCENDING FROM UV-VIS, DESCRIPTION) DEGREES C  -30 / +70
MANUFACTURER'S INDICATED  I = INQUIRY EXCEPTION: "*" INDICATES THAT  "~<"= 1% TRANSMISSION NEAR THE UV REGION REGION & NEAR-IR REGIONS DEGREES C
 ----- (SEE MFTR. TRADEMARK  ----- NA = NOT AVAILABLE THE VALUES WERE DERIVED FOR A IS AT OR BELOW  -----  -----   -----
MIL. CODE=NNNVVV DESCRIPTION) EXCEPTION:  ----- HYPOTHETICAL  1MM THICK  NM POINT GIVEN
 ----- CALCULATED DERIVED = NOT MATERIAL USING A   ----- "~<"= 50% TRANS. PT. "~<"= 90% TRANS. PT. "~>"= 90% TRANS. PT. IS
CONVERSION: DERIVATION= THE MANUFACTURER'S LOGARITHM DENSITY FORMULA.  (XX%) TRANSMISSION BELOW NM PT. GIVEN- BELOW NM PT. GIVEN- BEYOND NM PT. GIVEN-
nd=1.+NNN NOT FROM PUBLISHED VALUES- HOYA'S SOURCE DATA WAS USED AT THE (XX%) TRANS. AT THE (XX%) TRANS. AT THE  (XX%) TRANS. AT THE 
vd=VV.V A  HYPOTHETICAL TO ILLUSTRATE THE THEORETICAL NM POINT INDICATED NM POINT INDICATED NM POINT INDICATED NM POINT INDICATED
CATALOG EFFECTS OF A THICKNESS CHANGE. SEE  SEE  SEE  SEE  SEE 
*SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* DISCLAIMER DISCLAIMER DISCLAIMER DISCLAIMER DISCLAIMER
901315 OHARA CORP. LAH78 1996 P / I 10MM ~360nm ~378nm ~413nm ~>2200nm (93.5%) 680 60 4.48 0.162
903298 HOYA CORP. TaFD20 1978 H / I 5MM  -----  -----  -----  ----- 680 89 4.43 0.160
903357 HIKARI GLASS CO. E-LASFH9 2001 EG/P 10MM  ----  ----  ----  ----  ---- 733  ----- 5.52 0.200
913324 SCHOTT GLASS TECH. LaSF18A 1992 I 5MM ~350 ~372 ~412 ~>2325.4 (92%) 770 60 4.82 0.175
913324 SCHOTT GLASS TECH. LaSFN18 1992 H / I 5MM ~350 ~372 ~412 ~>2325.4 (92%) 620  ----- 60 4.82 0.175
915212 OHARA CORP. PBH72 1990 I 10MM ~<390 (5%) ~425 ~474 ~>1060 (99.9%) 290 88 5.97 0.216
918215 CHINA ZF14 1996 H / I ----- ----- ----- ----- ----- 270 87 5.96 0.216
918215 SCHOTT GLASS TECH. SF58 1992 I 5MM ~<365.0 (3%) ~385 ~426 ~>2325.4 (93%) 270 471 90 5.95 0.215
922360 HOYA CORP. TaFD31 1978 H / I 5MM  -----  -----  -----  ----- 740 79 5.44 0.197
923189 OHARA CORP. S-NPH2 1999 EG 10MM ~<390 (2%) ~412 ~454 ~>2400 (96.1%) 450 67 3.58 0.130
923209 HOYA CORP. EFDS1 DERIVED  HYPOTHETICAL 1MM*  ----- ~<280 (63.1%) ~399 ~>700 (99.9%) 460 63 3.94 0.143
923209 HOYA CORP. EFDS1 1998 P/EG 5MM ~<380 (9%) ~394 ~431 ~>700 (99.7%) 460 63 3.94 0.143
923209 HOYA CORP. FDS1 DERIVED  HYPOTHETICAL 1MM*  ----- ~<380 (76.6%) ~391 ~>1550 (99.9%) 310  ---- 6.03 0.218
923209 HOYA CORP. FDS1 1998 P 5MM ~<370 (3%) ~388 ~417 ~>1550 (99.9%) 310  ----- 6.03 0.218
923209 OHARA CORP. PBH21 1990 I 10MM ~<380 (2%) ~406 ~456 ~>700 (98.5%) 300 88 6.03 0.218
923209 SCHOTT GLASS TECH. SF66 2000 H / I 10MM ~<380 (5%) ~397 ~436 ~>1970 (96.7%) 310 90 6.03 0.218
923210 EAST GERMANY SFS1 PRE 1992 ACQ. BY SCHOTT 10MM ~<400 (2%) ~448 ~501 ~>1500 (99.9%) ----- 91 6.05 0.219
923213 OHARA CORP. PBH71 1996 P / I 10MM ~<370 (2%) ~388 ~417 ~>2400 (91.8%) 300 89 6.05 0.219
933279 HOYA CORP. TaFD21 1978 H / I 5MM  -----  -----  -----  ----- 675 93 4.45 0.161
934372 CHINA ZLAF53 1996 H / I ----- ----- ----- ----- ----- 670  ----- 4.42 0.160
944204 RUSSIA C366 PRE 1992 H / I 10MM ~<440 (37.5%) ~449 ~514 ~>1500 (98.4%) ----- 81 6.15 0.223
953204 SCHOTT GLASS TECH. SF59 1992 I 5MM ~<370 (3%) ~394 ~436 ~>2325.4 (95.0%) 250  ----- 94 6.26 0.227
981205 HOYA CORP. FDS10 1978 H / I 5MM  -----  -----  -----  ----- 225 201 5.06 0.183

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