Ohara S-TIH11 Optical Glass

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Ohara S-TIH11 Optical Glass
Categories:	Ceramic; Glass; Optical
Material Notes:	ECO optical glass that does not contain any lead or arsenic. Information provided by Ohara Corporation.
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Physical Properties	Metric	English	Comments

Specific Gravity	3.24 g/cc	3.24 g/cc

Chemical Properties	Metric	English	Comments
Acid Class, SR	1.0	1.0

Mechanical Properties	Metric	English	Comments
Hardness, Knoop	550 @Load 0.0999 kg	550 @Load 0.220 lb
Modulus of Elasticity	91.2 GPa	13200 ksi
Modulus of Rigidity	36.3 GPa	5260 ksi
Poissons Ratio	0.255	0.255
Abrasion	171	171	Aa

Thermal Properties	Metric	English	Comments
CTE, linear	8.90 µm/m-°C @Temperature -30.0 - 70.0 °C	4.94 µin/in-°F @Temperature -22.0 - 158 °F
	10.3 µm/m-°C @Temperature 100 - 300 °C	5.72 µin/in-°F @Temperature 212 - 572 °F
Thermal Conductivity	1.017 W/m-K @Temperature 35.0 °C	7.058 BTU-in/hr-ft²-°F @Temperature 95.0 °F
Transformation Temperature, Tg	602 °C	1120 °F	per thermal expansion curve
Softening Point	686 °C	1270 °F	10^7.65 poise; JIS-R3104 and ASTM-C338
Annealing Point	588 °C	1090 °F	10¹³ poise; ASTM-C336
Strain Point	569 °C	1060 °F	10^14.5 poise; JIS-R3103 and ASTM-C336

Optical Properties	Metric	English	Comments
Refractive Index	1.72998 @Wavelength 2325.42 nm	1.72998 @Wavelength 2325.42 nm
	1.73639 @Wavelength 1970.09 nm	1.73639 @Wavelength 1970.09 nm
	1.74397 @Wavelength 1529.58 nm	1.74397 @Wavelength 1529.58 nm
	1.75222 @Wavelength 1128.64 nm	1.75222 @Wavelength 1128.64 nm
	1.75549 @Wavelength 1013.98 nm	1.75549 @Wavelength 1013.98 nm	nt (Hg t line)
	1.76186 @Wavelength 852.11 nm	1.76186 @Wavelength 852.11 nm	ns (Cs s line)
	1.76662 @Wavelength 768.19 nm	1.76662 @Wavelength 768.19 nm	nA' (K A' line)
	1.77121 @Wavelength 706.52 nm	1.77121 @Wavelength 706.52 nm	nr (He r line)
	1.77596 @Wavelength 656.27 nm	1.77596 @Wavelength 656.27 nm	nC (H C line)
	1.77733 @Wavelength 643.85 nm	1.77733 @Wavelength 643.85 nm	nC' (Cd C' line)
	1.77861 @Wavelength 632.8 nm	1.77861 @Wavelength 632.8 nm	nHe-Ne
	1.78446 @Wavelength 589.29 nm	1.78446 @Wavelength 589.29 nm	nD (Na D line)
	1.78472 @Wavelength 587.56 nm	1.78472 @Wavelength 587.56 nm	nd (He D line)
	1.79192 @Wavelength 546.07 nm	1.79192 @Wavelength 546.07 nm	ne (Hg e line)
	1.80652 @Wavelength 486.13 nm	1.80652 @Wavelength 486.13 nm	nf (H F line)
	1.80841 @Wavelength 479.99 nm	1.80841 @Wavelength 479.99 nm	nF' (Cd F' line)
	1.82275 @Wavelength 441.57 nm	1.82275 @Wavelength 441.57 nm	nHe-Cd
	1.82534 @Wavelength 435.835 nm	1.82534 @Wavelength 435.835 nm	ng (Hg g line)
	1.84239 @Wavelength 404.656 nm	1.84239 @Wavelength 404.656 nm	nh (Hg h line)
Abbe Number	25.47	25.47	ν e
	25.68	25.68	ν d
Optical Dispersion	0.008758	0.008758	nd-nC; Partial Dispersion
	0.009346	0.009346	nC-nA'; Partial Dispersion
	0.014595	0.014595	ne-nC'; Partial Dispersion
	0.015955	0.015955	ne-nC; Partial Dispersion
	0.016493	0.016493	nF'-ne; Partial Dispersion
	0.017044	0.017044	nh-ng; Partial Dispersion
	0.018825	0.018825	ng-nF; Partial Dispersion
	0.020476	0.020476	nC-nt; Partial Dispersion
	0.021836	0.021836	nC'-nt; Partial Dispersion
	0.030554	0.030554	nF-nC
	0.031088	0.031088	nF'-nC'
	0.040621	0.040621	ng-nd; Partial Dispersion
Transmission, Visible	40 % @Wavelength 380 nm	40 % @Wavelength 380 nm
	66 % @Wavelength 390 nm	66 % @Wavelength 390 nm
	80 % @Wavelength 400 nm	80 % @Wavelength 400 nm
	91.5 % @Wavelength 420 nm	91.5 % @Wavelength 420 nm
	94.8 % @Wavelength 440 nm	94.8 % @Wavelength 440 nm
	96.4 % @Wavelength 460 nm	96.4 % @Wavelength 460 nm
	97.3 % @Wavelength 480 nm	97.3 % @Wavelength 480 nm
	98 % @Wavelength 500 nm	98 % @Wavelength 500 nm
	99 % @Wavelength 650 nm	99 % @Wavelength 650 nm
	99.2 % @Wavelength 550 nm	99.2 % @Wavelength 550 nm
	99.2 % @Wavelength 600 nm	99.2 % @Wavelength 600 nm
	99.2 % @Wavelength 700 nm	99.2 % @Wavelength 700 nm
IR Transmittance	94.2 % @Wavelength 2400 nm	94.2 % @Wavelength 2400 nm
	96.4 % @Wavelength 2200 nm	96.4 % @Wavelength 2200 nm
	98.9 % @Wavelength 1800 nm	98.9 % @Wavelength 1800 nm
	99.6 % @Wavelength 1600 nm	99.6 % @Wavelength 1600 nm
	99.7 % @Wavelength 1400 nm	99.7 % @Wavelength 1400 nm
	99.8 % @Wavelength 800 nm	99.8 % @Wavelength 800 nm
	99.8 % @Wavelength 900 nm	99.8 % @Wavelength 900 nm
	99.9 % @Wavelength 1000 nm	99.9 % @Wavelength 1000 nm
	99.9 % @Wavelength 1200 nm	99.9 % @Wavelength 1200 nm
UV Transmittance	8.0 % @Wavelength 370 nm	8.0 % @Wavelength 370 nm

Descriptive Properties
Acid Resistance, Powder Method, RAP)	1
CCI	0.00 B
	3.8 G
	3.8 R
coloring, λ 5	365
coloring, λ 80	430
Coloring, Internal Transmission λ 0.05	369
Coloring, Internal Transmission λ 0.80	400
Knoop Hardness Class	6
Melt Frequency	1
Ohara Code d	785257
Ohara Code e	792255
Ohara Status	Preferred
Phosphate Resistance, PR	1
Photoelastic Constant (ß)	2.81
Relative Price	4		S-BSL7 = 1
Water Resistance, RW(P)	1
Weathering Resistance (Surface Method) W(S)max	1
Yield Point, At (°C)	633		per thermal expansion curve

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CZOHARA943 / 192208

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