`
`Refractive Index
`
`Refractive Index
`
`nd
`
`ne
`
`1.84666
`1.846660
`1.855041
`
`Abbe Number
`
`Abbe Number
`
`d
`
`e
`
`23.78
`
`23.59
`
`Dispersion
`
`Dispersion
`
`Code(d) 847238
`Code(e) 855236
`nF-nC
`0.035608
`
`nF'-nC'
`
`0.036247
`
`Partial Dispersions
`nC-nt
`0.023550
`nC-nA'
`0.010806
`nd-nC
`0.010172
`ne-nC
`0.018553
`ng-nd
`0.047529
`ng-nF
`0.022093
`nh-ng
`0.020105
`ni-ng
`nC'-nt
`ne-nC'
`nF'-ne
`ni-nF'
`
`0.025128
`0.016975
`0.019272
`
`Coloring
`
`420
`
`5
`
`370
`
`Internal transmission
`408
`
`0.05
`
`370
`
`80
`
`70
`
`0.80
`
`B
`0.00
`
`CCI
`G
`4.97
`
`R
`5.06
`
`Internal Transmittance
`10mm
`
`Refractive Indices
`
`2.32542
`1.97009
`1.52958
`1.12864
`1.01398
`0.85211
`0.76819
`0.70652
`0.65627
`0.64385
`0.6328
`0.58929
`0.58756
`0.54607
`0.48613
`0.47999
`0.44157
`0.435835
`0.404656
`0.365015
`
`1.78519
`1.79199
`1.80013
`1.80925
`1.81294
`1.82021
`1.82568
`1.83098
`1.83649
`1.83807
`1.83956
`1.84635
`1.84666
`1.85504
`1.87210
`1.87431
`1.89114
`1.89419
`1.91429
`
`n2325
`n1970
`n1530
`n1129
`nt
`ns
`nA'
`nr
`nC
`nC'
`nHe-Ne
`nD
`nd
`ne
`nF
`nF'
`nHe-Cd
`ng
`nh
`ni
`
`Constants of Dispersion Formula
`A1
`1.87904886E+00
`A2
`3.69719775E-01
`A3
`2.33730863E+00
`B1
`1.44121770E-02
`B2
`6.38817990E-02
`B3
`1.82668180E+02
`
`1 1 1
`
`1.0
`1.0
`
`Chemical Properties
`Water Resistance(Powder) Group RW(P)
`Acid Resistance(Powder) Group RA(P)
`Weathering Resistance(Surface) Group W(S)
`Acid Resistance(Surface) Group SR
`Phosphate Resistance PR
`
`Mechanical Properties
`Young's Modulus E (108N/m2)
`Rigidity Modulus G (108N/m2)
`
`Knoop Hardness Hk[Class]
`Abrasion Aa
`
`960
`379
`0.266
`520
`1
`
`5
`
`5Pa)
`
`2.81
`
`C,t
`
`C,A'
`
`Relative Partial Dispersions
`0.6614
`0.3035
`0.2857
`0.5210
`1.3348
`0.6205
`0.5646
`
`d,C
`
`e,C
`
`g,d
`
`g,F
`
`h,g
`
`i,g
`
`C',t
`
`e,C'
`
`F',e
`
`i,F'
`
`C,t
`
`C,A'
`
`g,d
`
`g,F
`
`i,g
`
`0.6932
`0.4683
`0.5317
`
`0.0032
`-0.0012
`0.0195
`0.0175
`
`Thermal Properties
`)
`Strain Point StP (
`)
`Annealing Point AP (
`Transformation Temperature Tg (
`Yield Point At (
`)
`)
`Softening Point SP (
`)
`(-30~+70
`Expansion Coefficients
`-7/
`(+100~+300
`)
`Thermal Conductivity
`
`)
`
`)
`
`280
`290
`300
`310
`320
`330
`340
`350
`360
`370
`380
`390
`400
`420
`440
`460
`480
`500
`550
`600
`650
`700
`800
`900
`1000
`1200
`1400
`1600
`1800
`2000
`2200
`2400
`
`0.06
`0.35
`0.61
`0.75
`0.87
`0.927
`0.948
`0.961
`0.971
`0.987
`0.989
`0.985
`0.989
`0.997
`0.998
`0.999
`0.999
`0.998
`0.997
`0.991
`0.986
`0.974
`0.955
`
`Other Properties
`Bubble Quality Group B
`Specific Gravity d
`Remarks
`
`B
`3.54
`
`OHARA 17-04
`
`576
`596
`624
`658
`692
`88
`104
`1.00
`
`g
`4.5
`5.0
`5.4
`5.8
`6.2
`6.6
`
`Temperature Coefficients of Refractive Index
`Range of Temperature
` relative (10-6/
`n/
`)
`(
`C' He-Ne D
`e
`t
`-40~-20
`0.4
`0.4
`0.9
`1.4
`-0.8
`-20~ 0
`0.5
`0.6
`1.0
`1.6
`-0.8
` 0~20
`0.6
`0.7
`1.2
`1.8
`-0.7
` 20~40
`0.7
`0.8
`1.3
`2.0
`-0.7
` 40~60
`0.9
`1.0
`1.5
`2.2
`-0.6
` 60~80
`1.0
`1.1
`1.6
`2.4
`-0.6
` Copyright© OHARA INC. All Rights Reserved.
`
`)
`
`F'
`2.8
`3.1
`3.4
`3.7
`4.0
`4.3
`
`1/1
`
`