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PETG Resin For 3D Printing Filaments
WS-502 has the characteristics of high transparency, low haze, good mechanical properties, and low processing temperature compared to ordinary polyester.
PETG Resin WS-502 — Technical Datasheet (Industrial Grade Polyester Resin)
1. Product Description
WS-502 is a high-performance PETG thermoplastic polyester resin designed for industrial processing applications including PETG shrink sleeve labels, 3D printing filament, sheets, plates, bottles, and molded containers.
It provides a balanced combination of high transparency, strong impact resistance, low processing temperature, and stable shrink performance, making it a practical replacement for PVC and conventional PET materials.
The material is suitable for industries requiring both optical clarity and mechanical toughness, especially in packaging, labeling, and additive manufacturing.
Typical application fields include:
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Medical and pharmaceutical packaging
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Food-grade containers and packaging
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Daily-use consumer products
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Industrial thermoformed sheets and molded parts
2. Product Grade
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Product Name: PETG Resin
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Grade: WS-502
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Material Type: Glycol-modified polyethylene terephthalate (PETG)
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Processing Methods: Extrusion / Injection molding / Thermoforming / 3D filament production
3. Physical Properties
| Property | Unit | Test Method | 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 |
4. Mechanical Properties
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Tensile Strength @ Yield | kgf/cm² | ASTM D638 | 508 |
| Tensile Strength @ Break | kgf/cm² | ASTM D638 | 292 |
| Elongation @ Yield | % | ASTM D638 | 5 |
| Elongation @ Break | % | ASTM D638 | 165 |
| Flexural Strength | kgf/cm² | ASTM D790 | 680 |
| Impact Strength (Low Temp, Dart) | g | ASTM D358 | 829 |
| Impact Strength (Ambient Dart) | g | ASTM D358 | 1803 |
| Izod Impact (Notched, 23°C) | J/m | ASTM D256 | 102 |
5. Thermal Properties
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Heat Distortion Temperature (0.45MPa) | °C | ASTM D648 | 77 |
| Melting Index | g/10min | ASTM D1238 | 1.8 |
| Melting Point | °C | — | ≥196 ±2 |
| Rockwell Hardness | R-scale | — | 117 |
6. Electrical Properties
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Surface Resistivity | Ω | ASTM D257 | 10¹⁶ |
| Volume Resistivity | Ω·cm | ASTM D257 | 10¹⁵ |
| Dielectric Strength | 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 |
7. Optical Properties
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Haze | % | — | < 1.0 |
| Light Transmittance | % | ASTM D541 | 90 |
| Refractive Index | — | ASTM D542 | 1.56 |
8. Flammability Performance
| Thickness | Standard | Rating |
|---|---|---|
| 1.0 mm | UL 94 | HB |
| 1.5 mm | UL 94 | HB |
| 3.0 mm | UL 94 | V-2 |
9. Application Scope
WS-502 PETG resin is suitable for:
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PETG shrink sleeve labels and packaging films
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3D printing filament production
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Transparent sheets and thermoformed plates
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Bottles and rigid containers requiring clarity and toughness
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Indoor and outdoor signage panels
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Storage shelves and vending machine panels
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Furniture components and protective covers
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Construction and industrial baffles
10. Material Advantages in Processing
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Excellent toughness with high impact resistance (3–10× higher than modified acrylic materials)
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Strong thermoforming adaptability for sheet and plate production
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Good compatibility with co-extrusion systems (e.g., GAG, G-APET structures)
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Stable shrink performance for labeling applications
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Suitable for multi-material composite sheet production
WS-502 PETG resin is a transparent, high-toughness engineering thermoplastic designed for versatile industrial use. It combines optical clarity, mechanical durability, and processing stability, making it suitable for packaging, labeling, sheet extrusion, and additive manufacturing applications where performance consistency and material reliability are required.

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

Packaging method

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