Best PET Sheets Best PET Sheets Best PET Sheets
Polyethylene Terephthalate (PET) Sheets: Unveiling the Ideal Choice
PET sheets exhibit a versatile molecular structure that can be categorized into two main variants: amorphous and semi-crystalline thermoplastics. The amorphous PET sheets are celebrated for their exceptional transparency, albeit with somewhat reduced mechanical strength and less-than-ideal sliding characteristics when compared to their semi-crystalline counterparts. In contrast, the semi-crystalline PET sheets boast elevated levels of hardness, rigidity, and strength, coupled with remarkable sliding performance and minimal sliding wear, especially in damp or dry environments.
PET stands out as an exemplary material, thanks to its remarkable creep strength, minimal moisture absorption, and outstanding dimensional stability. This makes it an ideal choice for applications that demand intricate components, uncompromising precision, and impeccable surface quality.
Key attributes of PET sheets include:
- Exceptional strength
- Elevated rigidity and hardness
- Negligible moisture absorption
- Exceptional resistance to creep
- Remarkable dimensional stability
- Low sliding friction and minimal sliding wear
- Hydrolysis resistance up to +70°C
- Not suitable for contact with media containing over 50% alcohol
- Excellent adhesion and welding capabilities
Elevate your projects with PET sheets – the epitome of quality and performance.
Mechanical Properties
| MECHANICAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Modulus of elasticity (tensile test) |
3100 | MPa | 1mm/min | DIN EN ISO 527-2 |
| Tensile strength | 79 | MPa | 50mm/min | DIN EN ISO 527-2 |
| Tensile strength at yield | 79 | MPa | 50mm/min | DIN EN ISO 527-2 |
| Elongation at yield | 5 | % | 50mm/min | DIN EN ISO 527-2 |
| Elongation at break | 10 | % | 50mm/min | DIN EN ISO 527-2 |
| Flexural strength | 121 | MPa | 2mm/min, 10 N | DIN EN ISO 178 |
| Modulus of elasticity (flexural test) |
3200 | MPa | 2mm/min, 10 N | DIN EN ISO 178 |
| Compression strength | 19/35/83 | MPa | 1% / 2% / 5% | EN ISO 604 |
| Compression modulus | 2700 | MPa | 5mm/min, 10 N | EN ISO 604 |
| Impact strength (Charpy) | 81 | kJ/m2 | max. 7,5J | DIN EN ISO 179-1eU |
| Notched impact strength (Charpy) | 4 | kJ/m2 | max. 7,5J | DIN EN ISO 179-1eA |
| Ball indentation hardness | 175 | MPa | ISO 2039-1 |
Thermal Properties
| THERMAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Glass transition temperature | 81 | C | DIN EN ISO 11357 | |
| Melting temperature | 244 | C | DIN EN ISO 11357 | |
| Service temperature | 170 | C | short term | NN |
| Service temperature | 110 | C | long term | NN |
| Thermal expansion (CLTE) | 8 | 10-5*1/K | 23-60°C, long. | DIN EN ISO 11359-1;2 |
| Thermal expansion (CLTE) | 10 | 10-5*1/K | 23-100°C, long. | DIN EN ISO 11359-1;2 |
| Thermal conductivity | 0.31 | W/(k*m) | ISO 22007-4:2008 | |
| Specific heat | 1.2 | J/(g*K) | ISO 22007-4:2008 |
Electrical Properties
| ELECTRICAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| surface resistivity | 1014 | O | DIN IEC 60093 | |
| volume resistivity | 1014 | O*cm | DIN IEC 60093 | |
| Resistance to tracking (CTI) | 600 | V | DIN EN 60112 |
Other Properties
| OTHER PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Resistance to hot water/ bases | – | – | – | |
| Flammability (UL94) | HB | – | corresponding to | DIN IEC 60695-11-10; |
| Resistance to weathering | – | – | NN | |
| Water absorption | 0.03 | % | 24h / 96h (23°C) | DIN EN ISO 62 |
