Rynite® 935 BK505 is a 35% mica/glass-reinforced modified polyethylene terephthalate resin with low warpage and excellent electrical properties.
Polymer Name: Polyethylene Terephthalate (PET), Thermoplastic Polyester
Processing Methods: Injection Molding
Fillers Included: Glass Fiber, Mica
Flexural Modulus: 9300.0 MPa
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Identification & Functionality
Chemical Family
Fillers Included
Plastics & Elastomers Functions
Technologies
Rynite® 935 BK505 Features & Benefits
Industry Needs
- Excellent dimensional stability and low warpage
- Outstanding adhesive compatibility to secure component on the windshield for the life of the vehicle
- Superior flow for easy processing of design features, such as snap fits and over-molded inserts
- Improved laser-marking properties
- Resistance to hydrolysis and low fogging
Solutions
DuPontTM Rynite® PET resins offer clear advantages for vehicle manufacturers. Our materials help high-resolution camera windshield brackets stand up to the harshest environments.
We work with manufacturers around the world on their ADAS platforms to deliver solutions that enhance high-resolution camera solutions, with a specific focus on:
- Dimensional stability
- Adhesive compatibility
- Hydrolysis resistance
- Spiral flow
- Laser marking
- Interior emissions and fogging
- Snap fit
Product Highlights
35% mica / glass reinforced modified PET - low warpage, good electrical properties, high stiffness, high heat resistance.
Applications & Uses
Markets
Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Use Recommendations
Exterior body parts, structural housings and frames, irrigation components, electrical components.
Properties
Mechanical Properties
Value | Units | Test Method / Conditions | |
Tensile Modulus | 10200 | MPa | ISO 527-1/-2 |
Flexural Modulus | 9300 | MPa | ISO 178 |
Flexural Strength | 132 | MPa | ISO 178 |
Stress (at Break) | 82 | MPa | ISO 527-1/-2 |
Strain (at Break) | 2 | % | ISO 527-1/-2 |
Charpy Impact Strength (at 23°C) | 25 | kJ/m² | ISO 179/1eU |
Poisson's Ratio | 0.34 | - | - |
Charpy Impact Strength (at -40°C) | 21.5 | kJ/m² | ISO 179/1eU |
Notched Charpy Impact Strength (at 23°C) | 5.5 | kJ/m² | ISO 179/1eA |
Notched Charpy Impact Strength (at -30°C) | 4 | kJ/m² | ISO 179/1eA |
Notched Charpy Impact Strength (at -40°C) | 4 | kJ/m² | ISO 179/1eA |
Typical Properties
Value | Units | Test Method / Conditions | |
Resin Identification | PET-(MD+GF)35 | - | ISO 1043 |
Thermal Properties
Value | Units | Test Method / Conditions | |
Melt Temperature (at 10°C/min) | 252 | °C | ISO 11357-1/-3 |
Temperature of Deflection Under Load (1.8 Mpa) | 200 | °C | ISO 75-1/-2 |
Temperature of Deflection Under Load (0.45 Mpa) | 240 | °C | ISO 75-1/-2 |
Relative Thermal Index (Electrical, 0.75mm) | 140 | °C | UL 746B |
Relative Thermal Index (Electrical, 1.5mm) | 140 | °C | UL 746B |
Relative Thermal Index (Electrical, 3mm) | 140 | °C | UL 746B |
Relative Thermal Index (Impact, 0.75mm) | 140 | °C | UL 746B |
Relative Thermal Index (Impact, 1.5mm) | 140 | °C | UL 746B |
Relative Thermal Index (Impact, 3mm) | 140 | °C | UL 746B |
Relative Thermal Index (Strength, 0.75mm) | 140 | °C | UL 746B |
Relative Thermal Index (Strength, 1.5mm) | 140 | °C | UL 746B |
Relative Thermal Index (Strength, 3mm) | 140 | °C | UL 746B |
Electrical Properties
Value | Units | Test Method / Conditions | |
Relative Permittivity (at 1MHz) | 4 | - | IEC 62631-2-1 |
Dissipation Factor (at 1 MHz) | 150 | E-4 | IEC 62631-2-1 |
Electric Strength (Short Time, 23°C, 2mm) | 25 | kV/mm | IEC 60243-1 |
Flammability
Value | Units | Test Method / Conditions | |
FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
Burning Behavior (at 1.5mm Nominal Thickness) | UL94 HB | class | IEC 60695-11-10 |
Burning Behavior (at 0.75mm Thickness) | UL94 HB | class | IEC 60695-11-10 |
Glow Wire Flammability Index (at 0.75mm) | 775 | °C | IEC 60695-2-12 |
Glow Wire Flammability Index (at 1.5mm) | 775 | °C | IEC 60695-2-12 |
Glow Wire Flammability Index (at 3mm) | 825 | °C | IEC 60695-2-12 |
Glow Wire Ignition Temperature (at 0.75mm) | 800 | °C | IEC 60695-2-13 |
Glow Wire Ignition Temperature (at 1.5mm) | 800 | °C | IEC 60695-2-13 |
Glow Wire Ignition Temperature (at 3mm) | 850 | °C | IEC 60695-2-13 |
Burning Rate (at 1mm Thickness) | max. 80 | mm/min | ISO 3795 (FMVSS 302) |
Other Properties
Value | Units | Test Method / Conditions | |
Density | 1580 | kg/m³ | ISO 1183 |
Processing Information (Injection Molding)
Value | Units | Test Method / Conditions | |
Drying Recommended | yes | - | - |
Drying Temperature | 120 | °C | - |
Drying Time (Dehumidified Dryer) | 4 - 6 | h | - |
Hold Pressure Range | min. 80 | MPa | - |
Hold Pressure Time | 4 | s/mm | - |
Back Pressure | As low as possible | MPa | - |
Ejection Temperature | 170 | °C | - |
Processing Moisture Content ¹ | max. 0.02 | % | - |
Melt Temperature (Optimum) | 285 | °C | - |
Melt Temperature (Minimum) | 280 | °C | - |
Melt Temperature (Maximum) | 300 | °C | - |
Maximum Screw Tangential Speed | 0.2 | m/s | - |
Mold Temperature (Optimum) | 110 | °C | - |
Mold Temperature (Minimum) | 100 | °C | - |
Mold Temperature (Maximum) ² | 120 | °C | - |
VDA Properties
Value | Units | Test Method / Conditions | |
Fogging (G-Value, Condensate) | 0.1 | mg | ISO 6452 |
Rheological Properties
Value | Units | Test Method / Conditions | |
Mold Shrinkage (Parallel) | 0.2 | % | ISO 294-4, 2577 |
Mold Shrinkage (Normal) | 0.7 | % | ISO 294-4, 2577 |
Note
- [1]: At levels above 0.02%, strength and toughness will decrease, even though parts may not exhibit surface defects.
- [2]: (6mm - 1mm thickness)
Solutions for High-resolution Camera Bracket
Dimensional Stability |
Adhesive Compatibility |
Hydrolysis Resistance |
High Flow |
VOC – Fogging |
Snap Fit |
|
Rynite® 935 | +++ | ++++ | + | +++ | ++ | ++ |
Best: ++++
Regulatory & Compliance
Certifications & Compliance
OEM Standards
Technical Details & Test Data
Dynamic Shear Modulus vs Temperature
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Regional Availability
Rynite® 935 BK505
DuPont