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 TR-551
  Physical property  |   MSDS  |   SGS  |   UL   
High Rigidity, Good Chemical Resistance  
Application
  Home appliance, Vaccuum cleaner parts, air conditioner panel, copy machine, compact cases etc.
Feature
  
Transparent Tr-551 Grade has high rigidity, stiffness and processability. Since its properties are well balanced, it can be applied widely to variety of electric and electronic parts.
Properties
  ALL  Metric  SI  British
 
Physical
Method
Condition
Unit
Value
Melt Index
ASTM D1238
200℃/5kg
g/10min
1.00
ASTM D1238
220℃/10kg
g/10min
9.00
ASTM D1238
230℃/3.8kg
g/10min
4.00
Specific Gravity
ASTM D792
23℃
-
1.13
Mold Shrinkage
ASTM D955
-
%
0.1~0.7

Mechanical
Method
Condition
Unit
Value
Tensile Strength at Yield
ASTM D638
50mm/min
Tensile Modulus
ASTM D638
50㎜/min
Elongation at Yield
ASTM D638
50mm/min
%
6
Elongation at Break
ASTM D638
50mm/min
%
40
Flexural Strength
ASTM D790
15㎜/min
Flexural Modulus
ASTM D790
15mm/min
IZOD Impact strength
ASTM D256
1/4″,23℃
ASTM D256
1/4″,-30℃
ASTM D256
1/8″,23℃
ASTM D256
1/8″,-30℃

Thermal
Method
Condition
Unit
Value
Heat Deflection Temp
ASTM D648
1/4″,18.5kg/㎠(unannealed)
ASTM D648
1/4″,4.6kg/㎠(annealed)
ASTM D648
1/4″,4.6kg/㎠(unannealed)
ASTM D648
1/4″,18.5kg/㎠(annealed)
Vicat Softening Temp
ASTM D1525
5kg,50℃/hr

Flammability
Method
Condition
Unit
Value
Flammability
UL94
1/8"
class
HB
UL94
1/16"
Class
HB
1) The listed values should be used for referential purpose only.