Pipe reliability documented by standards.
PEXa Boru Sanayi A.Ş. Although officially founded in 2010, our history goes back much further, to 1986, as ISIYER . By signing with Wirsbo AB in 1989 as exclusive distributor , we also inherited the water and pipe experience that dates back to 1620.
Timeline of the heritage
- 1620The water and pipe traditionWater and pipe experience inherited from Wirsbo
- 1972Wirsbo PEX pipeProduction exceeding 1.5 billion metres to date
- 1986ISIYERThe historical beginning of PEXa
- 1989Wirsbo AB · exclusive distributorA partnership that continues today under Uponor
- 2010PEXa Boru Sanayi A.Ş.Official founding
Documents and compliance
Below are the standards matching the technical data and the certificates we hold. Each document opens as a PDF in a new tab.
ISO 15875 and QE
Compliance with the standard for cross-linked polyethylene (PE-X) pipe systems in hot and cold water installations.
PEXa Health Certificate
Summary of the material’s biocompatibility assessment under ISO 10993.
PEXa DataSheet
Current technical data sheet for PEXa pipe.
CE PEXa Certificate
CE certificate of conformity for the European market.
PEX material properties
Mechanical, thermal and electrical values, with the relevant test standards.
Mechanical properties
9 properties · DIN / ASTM| Property | Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Density | 0,938 | g/cm³ | ||
| Tensile strength | 20 °C | 19–26 | N/mm² | DIN 53455 |
| Tensile strength | 100 °C | 9–13 | N/mm² | |
| Modulus of elasticity E | 20 °C | 800–900 | N/mm² | DIN 53457 |
| Modulus of elasticity E | 80 °C | 300–350 | N/mm² | |
| Elongation at break | 20 °C | 350–550 | % | DIN 53455 |
| Elongation at break | 100 °C | 500–700 | % | |
| Impact strength | 20 °C | No break | kJ/m² | DIN 53453 |
| Impact strength | −140 °C | No break | kJ/m² | |
| Moisture absorption | 22 °C | 0,01 | mg/4 days | DIN 53472 |
| Coefficient of friction against steel | 0.08–0.1 | – | ||
| Surface energy | 34 × 10−3 | N/m | ||
| Oxygen permeability | 20 °C | 80 | m³·mm/m²·day·atm | ASTM D1434 |
| Oxygen permeability | 55 °C | 250 | m³·mm/m²·day·atm |
Thermal properties
5 properties| Property | Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Temperature range | −100 … +110 | °C | ||
| Coefficient of linear expansion | 20 °C | 1.4 × 10−4 | m/m°C | |
| Coefficient of linear expansion | 100 °C | 2.05 × 10−4 | m/m°C | |
| Softening temperature | +133 | °C | ||
| Specific heat | 2,3 | kJ/kg°C | ||
| Thermal conductivity coefficient | 0,35 | W/m°C | DIN 4725 |
Electrical properties
4 properties| Property | Condition | Value | Unit | Standard |
|---|---|---|---|---|
| Volume resistivity | 20 °C | 1015 | Ω·m | |
| Dielectric constant | 20 °C | 2,3 | – | |
| Dielectric loss factor | 20 °C / 50 Hz | 1 × 10−3 | – | |
| Breakdown voltage | 20 °C | 60–90 | kV/mm |
Source: Wirsbo PEX material properties table. More than 1.5 billion metres of Wirsbo PEX pipe have been installed since 1972. Values are typical material values; the DataSheet should be used for project-specific calculations.
Need documents for your specification?
Contact our team for approval files, letters of compliance or project-specific technical data.