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Transparent PET
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- Good impact resistance
- Good rating thanks to their fire reaction properties
- Suitable for use with foodstuff
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Compact polyester sheet
PET sheets are compact, thermoplastic polyester sheets.
They are characterised by high impact resistance and good reaction to combustion; they are suitable for contact with foodstuffs, resistant to chemicals, and fully recyclable.
PET sheets come in the following versions:
- TRANSPARENT perfect visibility and high light transmittance;
- GLARE-FREE provided with a glare-free finish on one side;
- WHITE matt, non transparent, including in low thickness versions;
- OPAL 30 translucent; their pleasant white hue ensures good light diffusion;
- UV-PROTECTED clear transparent, featuring a UV radiation protection to prevent yellowing; not suitable for applications in contact with foodstuffs.
BENEFITS OFFERED BY SHEETS
- Good impact resistance
- Good rating thanks to their fire reaction properties
- Suitable for use with foodstuffs
APPLICATIONS
PET sheets are ideal for use in indoor spaces: all types of display protective glazing, price tags, shelf dividers, poster framing and backlit images, signs, advertising lettering, food containers and trays, decorations, and flat machinery guarding.
Sheets are easy to process and to silk-screen.
Thanks to its polyester crystallisation properties, surface dulling effects may occur during thermoforming processes.
PET UV sheets are recommended for outdoor applications.
| Properties | Standard | Test conditions | Unit of measurement | Value |
| Physical properties | ||||
| Density | ISO 1183-1 | g/cm3 | 1.33 | |
| Moisture absorption | ISO 62-4 | after storage in standard climate | % | 0.2 |
| 23 °C / 50 % RH | ||||
| ISO 62-1 | after storage in water at a | % | 0.5 | |
| temperature of 23 °C until saturation | ||||
| Refractive index | ISO 489 | 20 °C | -- | 1.585 |
| Mechanical properties | ||||
| Yield strength | ISO 527-2/1B/50 | MPa | >55 | |
| Tensile strain at yield | ISO 527-2/1B/50 | % | 4 | |
| Tensile strength | ISO 527-2/1B/50 | MPa | >55 | |
| Tensile strain at break | ISO 527-2/1B/50 | % | >25 | |
| Modulus of elasticity | ISO 527-2/1B/1 | MPa | 2500 | |
| Limit flexural stress | ISO 178 | MPa | approx. 80 | |
| Impact resistance | ISO 179/1fU | Charpy impact test - unnotched | kJ/m2 | without breakage |
| ISO 179/1eA | Charpy impact test - notched | kJ/m2 | approx. 4 | |
| ISO 180/1A | IZOD impact test - notched | kJ/m2 | approx. 3 | |
| Thermal properties | ||||
| Softening temperature | ISO 306 | Test procedure B50 | °C | 75 |
| Vicat | ||||
| Thermal conductivity | DIN 52612 | W/mK | 0.25 | |
| Coefficient of linear thermal | DIN 53752-A | mm/mK | 0.05 | |
| expansion | ||||
| Thermoplasticity | ISO 75-2 | Test procedure A: 1.80 MPa | °C | 63 |
| ISO 75-2 | Test procedure B: 0.45 MPa | °C | 70 | |
| Electric properties | ||||
| Dielectric strength | IEC 60243-1 | kV/mm | 60 | |
| Resistivity | IEC 60093 | Ohm cm | 1015 | |
| Surface resistivity | IEC 60093 | Ohm | 1016 | |
| Relative permittivity: | IEC 60250 | at 103 Hz | -- | 3.4 |
| IEC 60250 | at 106 Hz | -- | 3.1 | |
| Dielectric dissipation factor | IEC 60250 | at 103 Hz | -- | 0.015 |
| IEC 60250 | at 106 Hz | -- | 0.056 |
Mechanical properties were measured on 4 mm thick flat sheets.
TRANSPARENCY
Test type: DIN EN ISO 13468-2
Standard formats are not available in all thickness options specified herein.
Additional information is available upon request.
The data given are indicative and for reference only.
| Light transmittance (%) | 0,8 | 1 | 1,5 | 2 | 3 | 4 | 5 |
| Transparent | 90 | 89 | 89 | 88 | 87 | 86 | 85 |
| Glare-free | 88 | 87 | 87 | 86 | |||
| White | < 2 | < 1 | < 1 | ||||
| Opal 30 | 28 | 28 | 28 | 30 | |||
| UV-protected | 89 | 88 | 87 | 86 | 85 |
AVAILABLE SIZES
Transparent PET sheets are available in standard size 2050x3050 mm and thickness from 0.8 mm to 5 mm. Glare-free and Opal 30 sheets come in the same standard size, but in 1 mm to 2 mm thickness; UV-protected sheets too are available in standard size, i.e. 2050x3050 mm, with thickness ranging from 2 mm to 5 mm.
Size 1250x2050 mm is supplied upon request and based on minimum purchase batches.
Other thickness, colour and size options are available upon request.
WORKING TEMPERATURE
The maximum working temperature without load is approx. +60 °C.
| FIRE CLASSIFICATION (*) | ||||
| Country | Standard | Rating | Thickness | Colour |
| Germany | DIN 4102 | B1 (indoors) | 0.8-6 mm | Transparent |
| 0.8-2 mm | Glare-free | |||
| 1-4 mm | Opal 30 white | |||
| DIN 5510-2 | S4 SR2 ST2 | 1 mm | Transparent | |
| S4 SR2 ST2 | 1 mm | Glare-free | ||
| Great Britain | BS 476 Part 7 | Class 1Y | 1.5 and 6 mm | Transparent |
| France | NF P 92-501&505 | M2 | 2-4 mm | Opal 30 white |
(*) Fire certifications have a limited validity over time. The certificate expiry date must be checked.
| GLOW WIRE FLAMMABILITY INDEX, IEC 60695-2-12, in °C | |||||||||
| 0,8 | 1 | 1,5 | 2 | 2,5 | 3 | 4 | 5 | 6 | |
| Transparent | 960 | 960 | 960 | 960 | 960 | 960 | |||
| Glare-free | 900 | ||||||||
| White | 900 | 960 | |||||||
| Opal white | 960 | 960 | 960 | 960 | 960 |
Although the information provided in this product data sheet is confirmed by reliable research, POLITECNICA CETAI shall not take any responsibility for the application, processing or use of such information.
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