PETG Resin WS-501

WS-501 is a high-performance PETG thermoplastic polyester resin specifically engineered for shrink sleeve film production and 3D printing filament applications. It offers a balanced combination of clarity, toughness, low processing temperature, and consistent shrink behavior, making it a practical substitute for PVC and conventional PET materials in packaging and additive manufacturing.

This grade is widely adopted in labeling, packaging, and 3D printing industries, supporting the demand for recyclable and high-performance polymer solutions.

Key Characteristics

High transparency suitable for premium labeling films
Excellent impact resistance and toughness
Stable and controllable shrink performance
Low processing temperature for improved manufacturing efficiency
Good environmental profile as an alternative to PVC-based materials

Technical Data – WS-501

1. Physical Properties

Item	Unit	Test Method	Value
Intrinsic Viscosity	dL/g	Ubbelohde viscometer	0.750 ± 0.015
Specific Gravity	g/cm³	ASTM D792	1.27
Moisture Absorption	%	ASTM D570	0.15

2. Mechanical Properties

Item	Condition	Unit	Test Method	Value
Tensile Strength @ Yield	50 mm/min	kgf/cm²	ASTM D638	496
Tensile Strength @ Break	50 mm/min	kgf/cm²	ASTM D638	281
Elongation @ Yield	50 mm/min	%	ASTM D638	3.7
Elongation @ Break	50 mm/min	%	ASTM D638	136
Flexural Strength	1.27 mm/min	kgf/cm²	ASTM D790	620
Flexural Strength	3 inch/min	kgf/cm²	ASTM D790	20800
Falling Dart Impact (Low Temp)	—	g	ASTM D358	791
Falling Dart Impact (Room Temp)	—	g	ASTM D358	1701
Izod Impact (Notched, 23°C)	—	J/m	ASTM D256	98

3. Hardness

Item	Unit	Test Method	Value
Rockwell Hardness	R-scale	—	106

4. Thermal Properties

Item	Condition	Unit	Test Method	Value
Heat Distortion Temperature	0.45 MPa	°C	ASTM D648	77
Melt Flow Index	—	g/10 min	ASTM D1238-04	1.2
Melting Point	—	°C	—	≥196 ± 2

5. Electrical Properties

Item	Unit	Test Method	Value
Surface Resistivity	Ohm	ASTM D257	10¹⁶
Volume Resistivity	Ohm·cm	ASTM D257	10¹⁵
Dielectric Strength (500 V/s)	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

Thickness	Test Method	Rating
1.0 mm	UL 94	HB
1.5 mm	UL 94	HB
3.0 mm	UL 94	V-2

7. Optical Properties

Item	Unit	Test Method	Value
Haze	%	—	< 1.0
Light Transmittance	%	ASTM D541	90
Refractive Index	—	ASTM D542	1.52

Application Scope

WS-501 PETG Resin for Film Production

WS-501 is developed as a dedicated shrink film-grade PETG material. It is suitable for producing a wide range of high-shrink films with stable performance.

The biaxially or uniaxially oriented shrink films made from WS-501 are widely used in:

Sleeve label applications for bottled beverages
Packaging labels for cans and containers
Industrial shrink labeling systems requiring consistent shrink ratio and clarity

Its stable processing behavior and optical clarity make it suitable for high-speed labeling and automated packaging lines.

For 3D Filaments Application

It can also be used for 3D print filament.PETG filament is stronger and
offers more impact resistance than acrylic, ABS and PLA filaments.It's toughness
and resistance make it a dependable material for various projects.

Packaging method

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