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Vydyne® 21SPF Data Sheet

Polyamide 66

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Product Description
Vydyne® 21SPF is a general purpose Nylon 66 resin available in natural color and black. It is designed principally for injection molding fabrication. This grades offer a well-balanced combination of engineering properties characterized by high strength; rigidity; good toughness; high melt point; good surface lubricity; abrasion resistance; and resistance to many chemicals, solvents, gasoline, and machine and motor oils.

Vydyne 21SPF Series resin permits production of molded parts with good initial color plus good property and color retention when using regrind. This resin is recognized by Underwriters Laboratories and conforms to the requirements of many industrial, federal, and military specifications for premium-quality, general purpose Nylon 66 resins.

Vydyne 21SPF Series resin is internally and externally lubricated for improved machine feed and exceptional mold release. It is intended for use in high-productivity applications. In many applications, the molding cycle can be reduced because parts may be removed from the cavity at higher temperatures. In difficult molds where parts have a tendency to stick in the cavity, Vydyne 21SPF can reduce or eliminate the need for mold release sprays. Critical molded part dimensions should be checked against specifications before implementing shorter molding cycles on a routine production basis.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Additive 
  • Lubricant
Features 
  • Fast Molding Cycle
  • Gasoline Resistance
  • Good Abrasion Resistance
  • Good Chemical Resistance
  • Good Mold Release
  • Good Toughness
  • High Rigidity
  • High Strength
  • Lubricated
  • Oil Resistant
  • Solvent Resistant
Uses 
  • Bearings
  • Bushings
  • Cams
  • Connectors
  • Electrical Housing
  • Industrial Applications
Agency Ratings 
RoHS Compliance 
Automotive Specifications 
UL File Number 
  • E70062
Appearance 
  • Black
  • Natural Color
 
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Dry
Conditioned
Unit
Test Method
Density
--
g/cm³
ISO 1183
Molding Shrinkage
      ISO 294-4
Across Flow : 73°F, 0.0787 in
--
%
 
Flow : 73°F, 0.0787 in
--
%
 
Water Absorption
      ISO 62
73°F, 24 hr
--
%
 
Equilibrium, 73°F, 50% RH
--
%
 
Mechanical
Dry
Conditioned
Unit
Test Method
Tensile Modulus (73°F)
psi
ISO 527-2
Tensile Stress (Yield, 73°F)
psi
ISO 527-2
Tensile Strain
      ISO 527-2
Yield, 73°F
%
 
Break, 73°F
%
 
Flexural Modulus (73°F)
psi
ISO 178
Flexural Strength (73°F)
psi
ISO 178
Poisson's Ratio
--
 
ISO 527-2
Impact
Dry
Conditioned
Unit
Test Method
Charpy Notched Impact Strength
      ISO 179
-22°F
--
ft·lb/in²
 
73°F
--
ft·lb/in²
 
Charpy Unnotched Impact Strength
      ISO 179
-22°F
--
 
 
73°F
--
 
 
Notched Izod Impact Strength (73°F)
--
ft·lb/in²
ISO 180
Thermal
Dry
Conditioned
Unit
Test Method
Heat Deflection Temperature
       
66 psi, Unannealed
--
°F
ISO 75-2/B
264 psi, Unannealed
--
°F
ISO 75-2/A
Vicat Softening Temperature
--
°F
ISO 306/B
Melting Temperature (DSC)
--
°F
ISO 3146
CLTE
      ISO 11359-2
Flow : 73 to 131°F, 0.0787 in
--
in/in/°F
 
Transverse : 73 to 131°F, 0.0787 in
--
in/in/°F
 
RTI Elec
      UL 746
0.0157 in
--
°F
 
0.0280 in
--
°F
 
0.0591 in
--
°F
 
0.118 in
--
°F
 
RTI Imp
      UL 746
0.0157 in
--
°F
 
0.0280 in
--
°F
 
0.0591 in
--
°F
 
0.118 in
--
°F
 
RTI Str
      UL 746
0.0157 in
--
°F
 
0.0280 in
--
°F
 
0.0591 in
--
°F
 
0.118 in
--
°F
 
Electrical
Dry
Conditioned
Unit
Test Method
Volume Resistivity (0.118 in)
--
ohm·cm
IEC 60093
Electric Strength 2 (73°F, 0.118 in)
--
V/mil
IEC 60243-1
Arc Resistance (0.118 in)
--
 
ASTM D495
Comparative Tracking Index (CTI) (0.118 in)
--
 
UL 746
Comparative Tracking Index (0.118 in)
--
V
IEC 60112
High Amp Arc Ignition (HAI)
      UL 746
0.0280 in
--
 
 
0.0591 in
--
 
 
0.118 in
--
 
 
High Voltage Arc Tracking Rate (HVTR) (0.118 in)
--
 
UL 746
Hot-wire Ignition (HWI)
      UL 746
0.0280 in
--
 
 
0.0591 in
--
 
 
0.118 in
--
 
 
Flammability
Dry
Conditioned
Unit
Test Method
Flame Rating
      UL 94
0.0157 in, All colors
--
 
 
0.0280 in, All colors
--
 
 
0.0591 in, All colors
--
 
 
0.118 in, All colors
--
 
 
Oxygen Index
--
%
ASTM D2863
Generic Name
Dry
Generic Name may also be described by the following terms: PA66.
Conditioned
Generic Name may also be described by the following terms: PA66.
Features
Dry
Features may also be described by the following terms: Good Mold Release, Easy Release, Good Demolding, Good Chemical Resistance, Chemical Resistant, Good Abrasion Resistance, Abrasion Resistant, Good Toughness, Tough, High Strength, High Rigidity, Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle.
Uses
Dry
Uses may also be described by the following terms: Electrical Housings, Electrical Housing.
Automotive Specifications
Dry
This plastic material has approval for 11 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): CHRYSLER (2), FORD (2), FEDERAL (1), ASTM (2), GM (2), SAE (2).
Agency Ratings
Dry
This plastic material has 5 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): ASTM (2), MIL (1), FDA (1), FED (1).
Available Documents
Dry
Processing (English)
Technical Datasheet (English)
Conditioned
Technical Datasheet (English)
Injection
Dry
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Shot Size
%
 
Suggested Max Regrind
%
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Nozzle Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Injection Pressure
psi
 
Injection Rate
 
 
Holding Pressure
psi
 
Back Pressure
psi
 
Screw Speed
rpm
 
Clamp Tonnage
tons/in²
 
Cushion
in
 
Injection Notes
Injection Time: <1 to 2.5 sec
Notes
1Typical properties: these are not to be construed as specifications.
2Step-by-step
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.