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Rynite® 935 BK505

THERMOPLASTIC POLYESTER RESIN

Glass\Mica, 35%

Supplied by DuPont Performance Polymers

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Product Description
Rynite® 935 BK505 is a 35% mica/glass reinforced modified polyethylene terephthalate resin with exceptionally low warpage, excellent electrical properties, high stiffness, and high heat resistance.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Filler / Reinforcement 
  • Glass\Mica, 35% Filler by Weight
Features 
  • Good Dimensional Stability
  • Good Electrical Properties
  • Good Stiffness
  • Good Strength
  • Good Thermal Aging Resistance
  • Warp Resistant
Uses 
  • Automotive Applications
  • Electrical/Electronic Applications
  • Housings
  • Phenolic Replacement
  • Structural Parts
RoHS Compliance 
Automotive Specifications 
  •  1
Appearance 
  • Black
Part Marking Code (ISO 11469)
  • >PET-(MD+GF)35<
Resin ID (ISO 1043)
  • PET-(MD+GF)35
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
ISO 1183
Molding Shrinkage     ISO 294-4
Across Flow: 0.0787 in
%
 
Flow: 0.0787 in
%
 
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus     ISO 527-2
-40°F
psi
 
73°F
psi
 
302°F
psi
 
Tensile Stress     ISO 527-2
Break, -40°F
psi
 
Break, 73°F
psi
 
Break, 302°F
psi
 
Tensile Strain     ISO 527-2
Break, -40°F
%
 
Break, 73°F
%
 
Break, 302°F
%
 
Flexural Modulus     ISO 178
-40°F
psi
 
73°F
psi
 
Flexural Strength     ISO 178
73°F
psi
 
-40°F
psi
 
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength     ISO 179/1eA
-40°F
ft·lb/in²
 
-22°F
ft·lb/in²
 
73°F
ft·lb/in²
 
Charpy Unnotched Impact Strength     ISO 179/1eU
-40°F
ft·lb/in²
 
73°F
ft·lb/in²
 
Notched Izod Impact Strength     ISO 180/1A
-40°F
ft·lb/in²
 
73°F
ft·lb/in²
 
Unnotched Izod Impact Strength     ISO 180/1U
-40°F
ft·lb/in²
 
73°F
ft·lb/in²
 
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature      
66 psi, Unannealed
°F
ISO 75-2/B
264 psi, Unannealed
°F
ISO 75-2/A
Melting Temperature 3
°F
ISO 11357-3
Electrical
Nominal Value
Unit
Test Method
Relative Permittivity (73°F, 1 MHz)
 
IEC 60250
Dissipation Factor (73°F, 1 MHz)
 
IEC 60250
Electric Strength 4 (73°F, 0.0787 in, in Oil)
V/mil
IEC 60243-1
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL     UL 94
0.0295 in
 
 
0.0591 in
 
 
0.118 in
 
 
Flammability Classification     IEC 60695-11-10, -20
0.0295 in
 
 
0.0591 in
 
 
0.118 in
 
 
Glow Wire Flammability Index     IEC 60695-2-12
0.0295 in
°F
 
0.0591 in
°F
 
0.118 in
°F
 
Glow Wire Ignition Temperature     IEC 60695-2-13
0.0295 in
°F
 
0.0591 in
°F
 
0.118 in
°F
 
UL
Nominal Value
Unit
Test Method
RTI Str     UL 746
0.0295 in
°F
 
0.0591 in
°F
 
0.118 in
°F
 
RTI Imp     UL 746
0.0295 in
°F
 
0.0591 in
°F
 
0.118 in
°F
 
RTI Elec     UL 746
0.0295 in
°F
 
0.0591 in
°F
 
0.118 in
°F
 
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Rynite® 935 BK505, Rynite 935 BK505, Rynite® , Rynite, Rynite935BK505, 935 BK 505, 935 BK505, 935BK, BK505, 935BK505, Polyethylene Terephthalate, PET, Polyester, DuPont, PolyethyleneTerephthalate, BK935
Features
Features may also be described by the following terms: Warp Resistant, Warpage Resistant, Good Thermal Aging Resistance, Thermal Aging Resistant, Good Strength, Good Electrical Properties, Good Dimensional Stability, Dimensionally Stable, Good Stiffness.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector, Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector, Housings, Housing.
Automotive Specifications
This plastic material has approval for 3 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): FORD (1), CHRYSLER (1), GM (1).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Max Moisture
%
 
Processing (Melt) Temp
°F
 
Melt Temperature, Optimum
°F
 
Mold Temperature
°F
 
Mold Temperature, Optimum
°F
 
Drying Recommended
 
 
Notes
1This specification is applicable for the Americas region.
2Typical properties: these are not to be construed as specifications.
310°C/min
42000 V/sec
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.