Name Optitherm S1 Plus
Type GLAZING
Subtype COATED
Token
optitherms1plus-4mm
Component ID
Manufacturer Pilkington
NFRC ID 4148
IGDB Version 109.0
Acceptance #
Conductivity 1
Material NOT_APPLICABLE
Appearance Clear
Coated Side FRONT
Coating ID 1887
Coating Name Optitherm S1 Plus
IGDB Time Created 2025-12-03 14:52:54
Specular Yes
Thickness (mm) 3.8700
TIR front 0.0000
Emissivity front 0.0291741
Emissivity back 0.8400000
Filename OptithermS1Plus_4mm.nsg

Integrated Spectral Averages Summary

( direct / direct )
Tf Sol
0.4251739
Tb Sol
0.4251739
Rf Sol
0.4898996
Rb Sol
0.4238953
Tf Vis
0.7141776
Tb Vis
0.7141776
Rf Vis
0.2031125
Rb Vis
0.2294939
TDW
Direct / hemispherical 0.5806342
TUV
Direct / diffuse 0.3882592
TSPF
Direct / diffuse 19.9768772
Tf Color
Direct / hemispherical
L*a*b*
( 87.544, -2.390, 5.686 )
XYZ
( 66.341, 71.122, 69.267 )
Rf Color
Direct / hemispherical
L*a*b*
( 52.585, 2.587, -12.149 )
XYZ
( 20.111, 20.669, 29.746 )
Rb Color
Direct / hemispherical
L*a*b*
( --, --, -- )
XYZ
( --, --, -- )
Summary Values Source IGDB v111

Composition

Index : 0
Subtype COATING
Name Optitherm S1 Plus
Token optitherm-s1-plus
Index : 1
Subtype MONOLITHIC
Name Optifloat Clear 4mm
Token optifloatclear4mm
Wavelength Data
.3 to 2.5 microns
.3 to .8 microns
2 to 7 microns
0 to 40 microns
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