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Master Bond adhesives

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Celanese Hytrel® HTR8797 BK320 TPC-ET
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes: 55 Shore D, Heat Stabilized, Black, High Viscosity Polyester Elastomer with Excellent Mechanical Properties at Elevated Temperatures Developed for Blow Molding

Former DuPont product acquired by Celanese in 2022.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.19 g/ccISO 1183
Melt Density 1.01 g/cc
@Temperature 245 °C
Linear Mold Shrinkage, Flow 0.021 cm/cmISO 294-4, 2577
Linear Mold Shrinkage, Transverse 0.021 cm/cmISO 294-4, 2577
Melt Flow 9.0 g/10 min
@Load 10.0 kg,
Temperature 240 °C		cm³/10min Volumetric; ISO 1133
 9.0 g/10 min
@Load 10.0 kg,
Temperature 240 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 5115s; ISO 48-4
 <= 54ISO 48-4
Tensile Stress at Strain 8.00 MPa
@Strain 5.0 %		1BA specimen at 50mm/min; ISO 527-1/-2
 12.0 MPa
@Strain 10 %		ISO 527-1/-2
 19.0 MPa
@Strain 50 %		ISO 527-1/-2
 22.0 MPa
@Strain 100 %		ISO 527-1/-2
Tensile Modulus 180 MPaISO 527-1/-2
Flexural Modulus 180 MPaISO 178
Poissons Ratio 0.48
Charpy Impact Unnotched NB
@Temperature 23.0 °C		ISO 179/1eU
Tear Strength 122 kN/mnormal; ISO 34-1
 137 kN/mparallel; ISO 34-1
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 197 µm/m-°CISO 11359-1/-2
 160 µm/m-°C
@Temperature -40.0 - 23.0 °C		ISO 11359-1/-2
 203 µm/m-°C
@Temperature 23.0 - 55.0 °C		ASTM E 831
 224 µm/m-°C
@Temperature 55.0 - 160 °C		ISO 11359-1/-2
CTE, linear, Transverse to Flow 189 µm/m-°CISO 11359-1/-2
 150 µm/m-°C
@Temperature -40.0 - 23.0 °C		ISO 11359-1/-2
 197 µm/m-°C
@Temperature 23.0 - 55.0 °C		ASTM E 831
 217 µm/m-°C
@Temperature 55.0 - 160 °C		ISO 11359-1/-2
Melting Point 214 °C10°C/min; ISO 11357-1/-3
Brittleness Temperature -58.0 °CISO 974
Glass Transition Temp, Tg -40.0 °C10°C/min; ISO 11357-1/-2
Flame Spread 43.0 mm/min
@Thickness 1.00 mm		ISO 3795 (FMVSS 302)
 
Processing PropertiesOriginal ValueComments
Melt Temperature 230 °COptimum, Extrusion
 235 °COptimum, Blow Molding
 230 - 240 °CRange, Blow Molding
 245 °COptimum, Injection
 240 - 255 °CRange, Injection
Mold Temperature 45.0 °COptimum, Blow Molding
 45.0 °COptimum, Injection
 40.0 - 50.0 °CInjection
 40.0 - 60.0 °CRange, Blow Molding
Drying Temperature 100 - 110 °CBlow Molding
 110 °CInjection
Dry Time 2.00 - 4.00 hourInjection, Dehumidified Dryer
 4.00 - 6.00 hourBlow Molding, Dehumidified Dryer
Moisture Content <= 0.030 %Blow Molding
 <= 0.060 %Extrusion
 <= 0.080 %Injection
 
Descriptive Properties
Drying RecommendedyesBlow Molding
 yesInjection
FMVSS ClassBISO 3795 (FMVSS 302)
Part Marking Code>TPC-ET<ISO 11469
PolymerTPC
Resin IdentificationTPC-ETISO 1043
Swell ratio2.6Blow Molding

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PDSX5221 / 197861




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