PPR-C raw material, standards & logistics.
PPR-C raw material specifications, ISO/DIN test methods and container/truck loading capacities — taken verbatim from the 2026 VALA Pipes Technical Catalog.
PPR-C Raw Material Specifications.
VALA PPR-C products are made from 100% prime virgin polypropylene random copolymer imported from Korea, the USA and Saudi Arabia. Each batch is verified using ISO and DIN test methods.
| Property | Value | Unit | Test Method |
|---|---|---|---|
| Density at +23°C | 0.90 – 0.91 | g/cm³ | ISO 1183 |
| Melt Flow Index (MFR 190/5) | 23 – 28 | g/10 min | ISO 1133 |
| Melt Flow Index (MFR 230/5) | >10 | g/10 min | ISO 1133 |
| Yield Stress | 850 | MPa | ISO 527 (50 mm/min) |
| Elongation at Yield | 48 | % | ISO 527 |
| Tensile Modulus | 65 | N/mm² | ISO 527 (Secant) |
| Ball Indentation Hardness | 132 | — | ISO 2039/1 (132 N / 30s) |
| Vicat Softening Temperature | 145 – 150 | °C | ISO 306 (VST/A50) |
| Charpy Impact Strength @ +23°C | >10 | kJ/m² | ISO 179/1eU |
| Heat Deflection Temp. (HDT A) | 70 | °C | ISO 75/1+2 |
| Heat Deflection Temp. (HDT B) | 43 | °C | ISO 75/1+2 |
| Thermal Conductivity | 0.24 | W/mK | DSC |
| Coeff. Linear Thermal Expansion (20–90°C) | 1.5 × 10⁻⁴ | 1/K | DIN 52612 |
| Surface Resistance | >10¹⁴ | Ohm | DIN 53752 / DIN VDE 0303 |
| Shore Hardness D | 49 | — | DIN 53505 (3 sec) |
| Melting Range | 145 | °C | — |
Source: VALA PPR Catalogue 2026 · Page 4
12 PPR-C product families.
The catalog defines 12 distinct PPR-C product families. Standard pipes, fiber-reinforced composite, Blue Fusion and aluminum-foiled pipe variants — alongside ten different fitting types.
PPR-C Pipe (Standard)
PPR-C Fiber Pipe
PPR-C Blue Fusion Pipe
PPR-C Aluminum-Foiled Pipe
PPR-C Socket
PPR-C Reducer
PPR-C 90° Elbow
PPR-C 45° Elbow
PPR-C 90° Tail Elbow
PPR-C 45° Tail Elbow
PPR-C Tee
PPR-C End Cap
Source: VALA PPR Catalogue 2026 · Pages 7 – 15
Logistics & loading capacities.
Our export shipments use 20 DC, 40 DC and 40 HC containers as well as Tilt / Jumbo / Optima truck loadings. Box Type 1 has a unit volume of 0.021 m³, Box Type 2 has a unit volume of 0.032 m³.
| Vehicle Type | Capacity | Box Type 1 (0.021 m³) | Box Type 2 (0.032 m³) |
|---|---|---|---|
| 20 DC (20 ft) | 33.3 m³ | 1,585 units | 1,040 units |
| 40 DC (40 ft) | 66.9 m³ | 3,185 units | 2,090 units |
| 40 HC (40 ft High Cube) | 76 m³ | 3,619 units | 2,375 units |
| Tilt Truck | 79 m³ | 3,761 units | 2,468 units |
| Jumbo Truck | 80 m³ | 3,809 units | 2,500 units |
| Normal Truck with Trailer (Optima) | 87 m³ | 4,142 units | 2,718 units |
Source: VALA PPR Catalogue 2026 · Page 6
Standards tested.
ISO and DIN standards used in the catalog for raw material testing:
ISO Standards
- ISO 1183Density determination
- ISO 1133Melt flow index (MFR / MVR)
- ISO 527Tensile properties
- ISO 306Vicat softening temperature
- ISO 75/1+2Heat deflection temperature (HDT)
- ISO 2039/1Ball indentation hardness
- ISO 179/1eUCharpy notched impact (unnotched)
- ISO 179/1eACharpy notched impact
DIN Standards
- DIN 52612Thermal conductivity
- DIN 53752Thermal expansion coefficient
- DIN VDE 0303Surface resistance (electrical)
- DIN 53505Shore D hardness
CE · ISO 9001 · TSE
Source: VALA PPR Catalogue 2026 · Page 4 (Test Methods)