PETG Resin WS-502

WS-502 is a premium-grade PETG thermoplastic polyester engineered for PETG shrink sleeve labels, film/sheet extrusion, and 3D printing filament applications. It delivers an excellent balance of transparency, toughness, and processing stability, making it a dependable alternative to PVC and conventional PET materials in demanding industrial environments.

This material is designed to support industries where optical clarity, formability, and mechanical reliability are critical. It is widely adopted in packaging, labeling, medical, food-contact, and general consumer product applications.

Product Overview & Key Characteristics

WS-502 PETG resin offers a combination of performance advantages that make it suitable for high-end forming and extrusion processes:

High optical clarity with excellent light transmittance for visually demanding applications
Strong impact resistance, significantly outperforming standard modified acrylic materials
Low processing temperature, enabling efficient thermoforming and extrusion stability
Consistent shrink behavior, suitable for shrink sleeve label production
Good chemical compatibility with other copolyesters for multilayer sheet systems
Stable processing performance across sheet, film, bottle, and container production

It is particularly suitable for applications requiring high transparency, flexibility, and easy molding characteristics.

Typical Applications

WS-502 is suitable for a wide range of industrial and commercial uses, including:

PETG shrink sleeve labels and packaging films
Thermoformed sheets and rigid/semirigid plates
Transparent bottles and molded containers for food, pharmaceutical, and daily-use products
Indoor and outdoor display panels, signage systems, and vending machine panels
Furniture components, protective covers, and construction or equipment baffles
Composite sheet systems such as GAG and G-APET structures

Due to its toughness and clarity, it is frequently selected for both functional and aesthetic plastic components.

Technical Data – WS-502 PETG Resin

1. Physical Properties

Property	Unit	Test Standard	Value
Intrinsic Viscosity	dL/g	Ubbelohde viscometer	0.780 ± 0.015
Specific Gravity	g/cm³	ASTM D792	1.27
Moisture Absorption	%	ASTM D570	0.12

2. Mechanical Properties

Property	Test Condition	Unit	Standard	Value
Tensile Strength @ Yield	50 mm/min	kgf/cm²	ASTM D638	508
Tensile Strength @ Break	50 mm/min	kgf/cm²	ASTM D638	292
Elongation @ Yield	50 mm/min	%	ASTM D638	5
Elongation @ Break	50 mm/min	%	ASTM D638	165
Flexural Strength	1.27 mm/min	kgf/cm²	ASTM D790	680
Flexural Strength	1.27 mm/min (3 inch/min)	kgf/cm²	ASTM D790	21200
Low Temperature Falling Dart Impact	—	g	ASTM D358	829
Atmospheric Temperature Falling Dart Impact	—	g	ASTM D358	1803
Izod Impact Strength (Notched, 23°C)	—	J/m	ASTM D256	102

3. Hardness

Property	Unit	Standard	Value
Rockwell Hardness	R-scale	—	117

4. Thermal Properties

Property	Condition	Unit	Standard	Value
Heat Distortion Temperature	0.45 MPa (66 psi)	°C	ASTM D648	77
Melting Index	—	g/10 min	ASTM D1238-04	1.8
Melting Point	—	°C	—	≥196 ± 2

5. Electrical Properties

Property	Unit	Standard	Value
Surface Resistivity	Ohm	ASTM D257	10¹⁶
Volume Resistivity	Ohm·cm	ASTM D257	10¹⁵
Dielectric Strength (500 V/sec)	kV/mm	ASTM D149	16
Dielectric Constant (1 kHz)	—	ASTM D150	2.6
Dielectric Constant (1 MHz)	—	ASTM D150	2.4
Dissipation Factor (1 kHz)	—	ASTM D150	0.005
Dissipation Factor (1 MHz)	—	ASTM D150	0.023

6. Flammability Performance

Thickness	Standard	Rating
1.00 mm	UL 94	HB
1.50 mm	UL 94	HB
3.00 mm	UL 94	V-2

7. Optical Properties

Property	Unit	Standard	Value
Haze	%	—	< 1.0
Light Transmittance	%	ASTM D541	90
Refractive Index	—	ASTM D542	1.56

Material Compatibility & Sheet Processing Use

WS-502 demonstrates strong compatibility with other copolyester systems, enabling use in multilayer sheet structures. It is commonly applied in co-extrusion processes to produce advanced sheet materials such as GAG and G-APET, which require both rigidity and transparency balance.

The material’s high impact resistance and optical clarity make it suitable for both protective structural panels and high-visibility display applications in industrial and commercial environments.

For Bottle Use

The PETG resin can be used for top-grade cosmetic bottles and pharmaceutical
bottles.

Packaging method

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