Specified to ISO and DIN. Published in the catalogue.
Raw material properties of VALA PPR-C products as published in the 2026 Technical Catalogue.
| Property | Test method | Value |
|---|---|---|
| Density at +23 °C | ISO 1183 | 0.90–0.91 g/cm³ |
| Melt flow rate MFR 190 °C / 5 kg | ISO 1133 | 0.4–0.6 g/10 min |
| Yield stress | ISO 527 | 23–28 MPa |
| Elongation at yield | ISO 527 | >10 % |
| Tensile modulus (secant) | ISO 527 | 850 MPa |
| Charpy notched impact at +23 °C | ISO 179/1eA | 22 kJ/m² |
| Vicat softening temperature VST/A50 | ISO 306 | 132 °C |
| Heat deflection temperature HDT A / HDT B | ISO 75/1+2 | 49 / 70 °C |
Source: VALA Pipes 2026 Technical Catalogue, page 5 — raw material properties (PPR-C).
Raw material is 100% virgin, imported from Korea, the USA and Saudi Arabia. Regular quality tests are carried out in our laboratory.
WRAS-approved raw material: the green PPR raw material used for our PPR pipes and fittings is suitable for contact with wholesome water (BS 6920-1:2014), for water up to 85 °C.
From factory floor to container door.
Raw Material Acceptance
Polypropylene random copolymer (PPR-C) imported from Korea, the USA and Saudi Arabia — 100% prime virgin grade.
ISO 1183 density · ISO 1133 MFI
Extrusion & Forming
Continuous production at our Çerkezköy facility. Diameters Ø20 – 110 mm across PN16 / PN20 / PN25 classes — PPR-C product families including fiber-reinforced composite and the blue Fusion series.
TSE / DIN standards
Packaging
Standard cartons in Box Type 1 (0.021 m³) or Box Type 2 (0.032 m³).
Box Type 1 · Box Type 2
Shipment
From 20 DC 33.3 m³ · 40 DC 66.9 m³ · 40 HC 76 m³ containers up to Optima trucks at 87 m³ — every loading type. Direct manufacturer-to-distributor shipping, active in 40+ countries. Shipped from our factory in Çerkezköy, Türkiye.
Container / Tilt / Jumbo / Optima
Heat-fusion timing
Welding temperature 260 °C ±10 °C. Times are heating contact / max joining / full cooling. Always verify against your tool's calibration.
| Outside diameter (mm) | Heating contact time | Max joining time | Full cooling time |
|---|---|---|---|
| Ø16 | 5 s | 4 s | 2 min |
| Ø20 | 5 s | 4 s | 2 min |
| Ø25 | 7 s | 4 s | 2 min |
| Ø32 | 8 s | 6 s | 4 min |
| Ø40 | 12 s | 6 s | 4 min |
| Ø50 | 18 s | 6 s | 4 min |
| Ø63 | 24 s | 8 s | 6 min |
| Ø75 | 30 s | 10 s | 8 min |
Joint may handle pressure only after full cooling. Apply axial force during joining time, hold steady during cooling.