Rynite 935 BK505 - DuPont - PET - Injection Molding

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

Polyesters,

Polyethylene Terephthalate (PET)

Fillers Included

Glass Fiber,

Mica

Polymer Name

Polyethylene Terephthalate (PET),

Thermoplastic Polyester

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polyesters & Copolyesters

Rynite® 935 BK505 Features & Benefits

Materials Features

Dimensional Stability,

Good Adhesion,

Good Electrical Properties,

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

Agriculture & Feed,

Electrical & Electronics

Applications

Agriculture & Feed — Agricultural Films

Pipes & Hoses

Electrical & Electronics — Devices & Assemblies

Consumer Electronics

Electrical & Electronics — Parts & Components

Housings & Enclosures,

Other Parts & Components

Plastics & Elastomers End Uses

Camera Applications,

Electrical Components,

Housings,

Irrigation Applications

Plastics & Elastomers Processing Methods

Injection Molding

Use Recommendations

Exterior body parts, structural housings and frames, irrigation components, electrical components.

Properties

Color

Black

Flame Rating

UL 94 HB

Part Marking Code

>PET-(MD+GF)35<

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	-