Product Texts
Vydyne R550H NT0755 is a general purpose 50% glass-filled PA66 based resin designed for injection molding applications. R550H NT0755 is specifically designed to provided high stiffness and maximum retention of physical properties when exposed to heat and/or hydrolytic environments.
General
Additive
Heat Stabilizer, Lubricant
Features
General Purpose, Good Flow, Good Heat Resistance, Good Processability, Good Stiffness, High Strength, High Tensile Strength, Lubricated
Uses
Glass Reinforced
UL File Number
E70062
Appearance
Natural Color
Forms
Pellets
Processing Method
Injection Molding
Physical
dry
cond.
Unit
Test Norm
Density
1.60
-
g/cm³
ISO 1183
Molding Shrinkage
ISO 294-4
Across Flow : 23°C, 2.00 mm
1.2
*
%
Flow : 23°C, 2.00 mm
0.6
*
%
Water Absorption, 23°C, 24 hr
1.16
*
%
ISO 62
Mechanical
dry
cond.
Unit
Test Norm
Tensile Modulus (23°C)
2.55E6
2.07E6
psi
ISO 527-2
Tensile Stress (Break, 23°C)
36800
29700
psi
ISO 527-2
Tensile Strain (Break, 23°C)
2.3
3
%
ISO 527-2
Flexural Modulus (23°C)
2.39E6
1.77E6
psi
ISO 178
Flexural Strength (23°C)
55100
37900
psi
ISO 178
Poisson's Ratio (23°C)
0.36
ISO 527-2
Impact
dry
cond.
Unit
Test Norm
Charpy Notched Impact Strength
ISO 179/1eA
+23°C
7.61
9.04
ftlb/in²
-30°C
7.61
7.61
ftlb/in²
-40°C
7.61
7.61
ftlb/in²
Charpy Unnotched Impact Strength
ISO 179/1eU
+23°C
47.6
52.8
ftlb/in²
-30°C
47.6
48.5
ftlb/in²
-40°C
46.6
49.9
ftlb/in²
Notched Izod Impact Strength
ISO 180/1A
+23°C
7.14
8.09
ftlb/in²
-30°C
7.61
7.61
ftlb/in²
-40°C
7.61
7.14
ftlb/in²
Thermal
dry
cond.
Unit
Test Norm
Heat Deflection Temperature
ISO 75-2/A
1.80 MPa, Unannealed
486
482
°F
0.45 MPa, Unannealed
502
498
°F
Melting Temperature
500
*
°F
ISO 11357-3
CLTE
ISO 11359-2
Flow : 23 to 55°C, 2.00 mm
13
*
E-6/K
Transverse : 23 to 55°C, 2.00 mm
63
*
E-6/K
RTI Elec
UL 746
0.750 mm
284
°F
1.50 mm
284
°F
3.00 mm
284
°F
RTI Imp
UL 746
0.750 mm
266
°F
1.50mm
266
°F
3.00 mm
266
°F
RTI Str
UL 746
0.750 mm
284
°F
1.50 mm
284
°F
3.00 mm
284
°F
Electrical
dry
cond.
Unit
Test Norm
Dielectric Strength (1.00 mm)
889
610
kV/in
IEC 60243
High Amp Arc Ignition (HAI)
UL 746
0.750 mm
PLC 0
1.50 mm
PLC 0
3.00 mm
PLC 0
High Voltage Arc Tracking Rate (HVTR), 3.00 mm
PLC 1
UL 746
Hot-wire Ignition (HWI)
UL 746
0.750 mm
PLC 4
1.50 mm
PLC 3
3.00 mm
PLC 4
Flammability
Value
Unit
Test Norm
Flammability
UL 94
0.750 mm
HB
1.50 mm
HB
3.00 mm
HB
Glow Wire Flammability Index
IEC 60695-2-12
0.750 mm
1250
°F
1.50 mm
1250
°F
3.00 mm
1760
°F
Glow Wire Ignition Temperature
IEC 60695-2-13
0.750 mm
1290
°F
1.50 mm
1290
°F
3.00 mm
1380
°F
Injection
Value
Unit
Drying Temperature
176
°F
Drying Time
4
h
Rear Temperature
536 - 590
°F
Middle Temperature
536 - 590
°F
Front Temperature
536 - 590
°F
Nozzle temperature
536 - 590
°F
Processing (Melt) Temperature
545 - 581
°F
Mold Temperature
149 - 203
°F