Altuglas® HT 121

About
Altuglas® HT 121 is a Polymethyl Methacrylate Acrylic product. It is available in Asia Pacific or Europe. Typical application: Automotive. Primary characteristic: flame rated.&&

Product Description
SupplierTrinseo
Material StatusCommercial: Active
FeaturesHB
AvailabilitysAsia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.19g/cm³ISO 1183
Melt Flow Rate
230℃,3.80kg2.0g/10minISO 1133
Shrinkage rate
MD0.20 to 0.60%ASTM D955
Water absorption rate
Equilibrium, 23 ℃, 50% RH0.40%ISO 62

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃2.0kJ/m²ISO 179/2C
Charpy Unnotch Impact strength
23℃11kJ/m²ISO 179/2U
Impact strength of cantilever beam notch
23℃1.8kJ/m²ISO 180-1A

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, unannealed119ISO 75-2/B
1.8 MPa, unannealed110ISO 75-2/A
Vicat Softening Temp121ISO 306/B
Linear coefficient of thermal expansion
MD:-30~23℃6.5E-51/℃ASTM D696
specific heat2090J/kg/℃
Thermal conductivity coefficient
23℃0.22W/m/K

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+14ohmsASTM D257
Volume resistivity> 1.0E+15ohms·cmASTM D257
Dielectric strength20kV/mmASTM D149
Dielectric constant
60 Hz3.70 ASTM D150
Dissipation factor
1 MHz0.040 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelHB UL 94

optical performanceNominal valueUnitTest method
Refractive index1.490 ISO 489
Transmittance92.0%ASTM D1003
Haze0.50%ASTM D1003

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level102 ASTM D785
tensile strength
Yield, 23 ℃70.0MPaISO 527-2
Tensile strain
Fracture, 23 ℃5.0%ISO 527-2
Bending modulus
23℃3450MPaISO 178
bending strength
23℃103MPaISO 178
compressive strength
23℃117MPaISO 604

Process Conditions
InjectionNominal valueUnitTest method
drying temperature90 to 100°C
Drying time4.0 to 6.0hr
Processing (melt) temperature240 to 250°C
Mold temperature80 to 90°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Method B
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