Products

Crastin® ST820 BK503

Crastin® ST820 BK503

Manufacturer: Celanese
Produced At: Import/ China
Product Category: PBT
Product No: Crastin® ST820 BK503
Product Quantity: 25KG / BAG
Product Features: Good Impact Resistance


Crastin® ST820 BK503

THERMOPLASTIC POLYESTER RESIN

Product Description:
Unreinforced Polybutylene Terephthalate with Excellent Impact Resistance
Features 

  • Good Impact Resistance

RoHS Compliance 

  • Contact Manufacturer

Processing Method 

  • Coating,Extrusion,Injection Molding,Profile Extrusion,Sheet Extrusion

Part Marking Code (ISO 11469)

  • PBT-HI

Resin ID (ISO 1043)

  • PBT-HI

Physical
Nominal Value
Unit
Test Method
Density
1.22
g/cm³
ISO 1183
Molding Shrinkage


ISO 294-4
Across Flow
1.7
%

Flow
1.8
%

Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
232000
psi
ISO 527-2
Tensile Stress (Yield)
5220
psi
ISO 527-2
Tensile Strain (Yield)
7.0
%
ISO 527-2
Nominal Tensile Strain at Break
> 50
%
ISO 527-2
Flexural Modulus
218000
psi
ISO 178
Flexural Stress
7250
psi
ISO 178
Poisson's Ratio
0.42

ISO 527
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength


ISO 179/1eA
-22°F
4.8
ft·lb/in²

73°F
40
ft·lb/in²

Charpy Unnotched Impact Strength


ISO 179/1eU
-22°F
No Break


73°F
No Break


Notched Izod Impact Strength


ISO 180/1A
-40°F
4.8
ft·lb/in²

73°F
29
ft·lb/in²

Unnotched Izod Impact Strength


ISO 180/1U
-22°F
No Break


73°F
No Break


Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature



66 psi, Unannealed
212
°F
ISO 75-2/B
66 psi, Annealed
293
°F
ISO 75-2/B
264 psi, Unannealed
122
°F
ISO 75-2/A
Melting Temperature 3
437
°F
ISO 11357-3
Flammability
Nominal Value
Unit
Test Method
Burning Rate 4 (0.0394 in)
1.5
in/min
ISO 3795
FMVSS Flammability
B

FMVSS 302
Fogging - G-value (condensate)
1.0E-4
g
ISO 6452
Fill Analysis
Nominal Value
Unit

Ejection Temperature
338
°F

Injection
Nominal Value
Unit

Drying Temperature
248
°F

Drying Time - Desiccant Dryer
2.0 to 4.0
hr

Suggested Max Moisture
0.040
%

Processing (Melt) Temp
464 to 500
°F

Melt Temperature, Optimum
482
°F

Mold Temperature
86 to 266
°F

Mold Temperature, Optimum
176
°F

Holding Pressure
8700
psi

Back Pressure
As low as possible


Drying Recommended
yes


Hold Pressure Time
3.00
s/mm


Products are widely used in plastic modification, automotive, construction, electrical and electronic, industrial, daily necessities and other fields


Consultation

Shanghai Langqi Plastic Materials Co., Ltd.   沪ICP备12022668号 公安机关备案号：31011202003696

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