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PETG Resin WS-501

WS-501 has high transparency, high shrinkage characteristics, is easy to process,has excellent printability, and has the ability to fit highly complex shapes

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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