描述
VESTAMID NRG 5901 BK is a black, high-molecular-weight polyamide 12 developed by Evonik for high-performance line pipes and fittings in energy, oil and gas infrastructure.
The grade is designed to extend the operating envelope of thermoplastic piping beyond the range typically associated with conventional polyethylene systems. Evonik specifically positions VESTAMID NRG 5901 BK for higher operating pressures and larger pipe diameters where users want the corrosion resistance, installation efficiency and weldability of a thermoplastic pipe system without immediately moving to steel.
Its strongest commercial applications are oil and gas gathering lines, flow lines, gas transport, produced-water systems, brine handling, tube and hose, and fittings.
The current Evonik product information describes VESTAMID NRG 5901 BK as tough and durable, corrosion resistant, resistant to heavy hydrocarbons, highly resistant to slow crack growth and reliable in long-term line-pipe service.
This is particularly important in oilfield infrastructure. Gathering and flow lines can be exposed to hydrocarbons, produced water, brine, pressure cycling, outdoor weathering and mechanical installation loads. A suitable resin must therefore provide much more than ordinary short-term tensile strength.
PA12 also provides a major advantage over steel: it does not suffer electrochemical corrosion in the same way as metallic piping. This can reduce the need for cathodic protection and related corrosion-control costs in qualified applications.
Compared with conventional polyethylene, the high-molecular-weight PA12 platform provides higher pressure and temperature capability while retaining thermoplastic installation methods.
Current commercial pipe systems manufactured from VESTAMID NRG 5901 BK are used in North American oilfield applications for high-pressure gas gathering, crude-fluid transport, produced water and brine handling.
The grade is black and UV stabilized, making it well suited to long-term outdoor applications. Evonik specifically notes its excellent UV-resistance properties.
Current grade-specific data lists a density of approximately 1.01 g/cm³, viscosity number of 203 cm³/g, tensile modulus of approximately 1,250 MPa, tensile strength and yield stress of approximately 40 MPa, stress at break of approximately 45 MPa, and nominal strain at break of approximately 127%.
The material also retains strong notched impact performance at low temperature: approximately 60 kJ/m² at 23°C, 23 kJ/m² at -30°C and 18 kJ/m² at -40°C.
The melting temperature is approximately 176°C, glass-transition temperature approximately 36°C, HDT at 1.80 MPa approximately 43°C, and Vicat A approximately 132°C.
For more PA12 materials, visit our PA12 Polyamide 12 Product Category →.
For official manufacturer information about VESTAMID materials, visit the Evonik VESTAMID Page →.
Key Features of VESTAMID NRG 5901 BK
| Feature | Engineering Benefit |
|---|---|
| High-Molecular-Weight PA12 | Supports long-term line-pipe performance |
| High Viscosity | Provides melt strength for pipe and profile extrusion |
| Higher Pressure Capability | Extends thermoplastic piping into demanding gathering and flow-line service |
| Heavy-Hydrocarbon Resistance | Important for crude fluids and oilfield media |
| High Slow-Crack-Growth Resistance | Supports long-term pressure-pipe reliability |
| Corrosion Resistant | Avoids conventional steel-pipe corrosion mechanisms |
| UV / Weathering Stabilized | Suitable for long-term outdoor exposure |
| Hydrolysis / Hot-Water Resistance | Valuable for produced-water and wet-service environments |
| Wear / Abrasion Resistance | Supports oilfield installation and service |
| Fatigue Resistance | Useful under pressure cycling and dynamic service |
| Low Coefficient of Friction | Supports handling, installation and fluid-system applications |
| Weldable | Compatible with qualified thermoplastic pipe joining methods |
| Lightweight | Easier handling than metallic line pipe |
| Barrier Properties | Supports hydrocarbon and gas service |
The defining value of VESTAMID NRG 5901 BK is its combination of pressure capability, chemical resistance, corrosion resistance and thermoplastic installation efficiency.
Typical Applications for VESTAMID NRG 5901 BK
VESTAMID NRG 5901 BK is designed primarily for oilfield and gas-distribution line-pipe systems.
| Application Area | Typical Use |
|---|---|
| Oil & Gas Gathering Lines | High-pressure thermoplastic gathering infrastructure |
| Flow Lines | Transport of oilfield production fluids |
| Gas Transport | High-performance PA12 gas piping |
| Produced-Water Lines | Corrosion-resistant transport of produced water |
| Brine Handling | PA12 line pipe exposed to saline fluids |
| Multiphase Crude-Fluid Transport | Oilfield pipelines carrying mixed hydrocarbon fluids |
| Pipe Fittings | Injection-molded or extruded system components |
| Tube & Hose | Selected high-performance energy applications |
| Corrosion-Protection Systems | Polymer solutions replacing or protecting metallic infrastructure |
| Horizontal Directional Drilling | Thermoplastic line-pipe installation where system design permits |
Commercial PA12 pipe made from the grade is available in sizes up to at least 16-inch IPS from current North American pipe manufacturers, although exact available sizes depend on the pipe producer.
Typical Properties of VESTAMID NRG 5901 BK
Physical & Polymer Properties
| Property | Typical Value | Test Method |
|---|---|---|
| Density | 1.01 g/cm³ | ISO 1183 |
| Density | 1.01 g/cm³ | ASTM D792 |
| Viscosity Number | 203 cm³/g | ISO 307 / 1157 / 1628 |
| Structure | Semi-crystalline PA12 | Manufacturer information |
| Filler | Unfilled | Manufacturer information |
| Color | Black | Manufacturer information |
| Special Characteristic | High Viscosity | Manufacturer information |
| UV Stabilized | Yes | Manufacturer information |
The viscosity number of 203 cm³/g supports the grade’s high-molecular-weight / high-viscosity line-pipe positioning.
Mechanical Properties
| Property | Typical Value, Dry | Test Method |
|---|---|---|
| Tensile Modulus | 1,250 MPa | ISO 527 |
| Tensile Strength | 40 MPa | ISO 527 |
| Yield Stress | 40 MPa | ISO 527 |
| Yield Strain | 11% | ISO 527 |
| Stress at 50% Strain | 37 MPa | ISO 527 |
| Stress at Break | 45 MPa | ISO 527 |
| Nominal Strain at Break | 127% | ISO 527 |
| Charpy Notched Impact, 23°C | 60 kJ/m² | ISO 179/1eA |
| Charpy Notched Impact, -30°C | 23 kJ/m² | ISO 179/1eA |
| Charpy Notched Impact, -40°C | 18 kJ/m² | ISO 179/1eA |
The combination of 1.25 GPa tensile modulus and 127% nominal strain at break gives VESTAMID NRG 5901 BK a useful balance of pipe-wall stiffness and ductility.
Thermal Properties
| Property | Typical Value | Test Method |
|---|---|---|
| Melting Temperature | 176°C | ISO 11357-1/-3 |
| Glass Transition Temperature | 36°C | ISO 11357-1/-2 |
| HDT @ 1.80 MPa | 43°C | ISO 75-1/-2 |
| Vicat Softening Temperature A, 10 N | 132°C | ISO 306 |
| ASTM Melting Temperature | 176°C | ASTM D3418 |
These are standardized resin values. Pipe-system operating limits should be based on long-term pressure ratings, SDR, design factor and the applicable piping standard.
Pressure-Pipe Rating Context
One of the strongest advantages of VESTAMID NRG 5901 BK is its published long-term pressure rating.
The Plastics Pipe Institute TR-4 listing identifies the grade as a PA 42316 material with the following Hydrostatic Design Basis values:
| Temperature | HDB |
|---|---|
| 73°F / 23°C | 3,150 psi |
| 140°F / 60°C | 2,000 psi |
| 180°F / 82°C | 1,600 psi |
The current PPI listing for VESTAMID NRG 5901 BK runs through March 10, 2027 in the reviewed TR-4 publication.
Commercial line pipe produced from the resin is also manufactured to ASTM F3524, and current pipe manufacturers identify the resin class as PA42316 under ASTM D6779 / long-term pressure-rating practice.
These HDB values are resin / material-design data. Final operating pressure depends on pipe dimensions, SDR, temperature, design factor, joining method and the applicable system standard.
Why Choose VESTAMID NRG 5901 BK?
The main reason to select VESTAMID NRG 5901 BK is that it bridges the performance gap between conventional PE line pipe and metallic piping.
Steel can provide high pressure capability, but it introduces corrosion, weight, welding, coating and cathodic-protection requirements.
Polyethylene offers excellent installation efficiency and corrosion resistance, but certain higher-pressure or higher-temperature applications can exceed its preferred design window.
VESTAMID NRG 5901 BK provides a thermoplastic option with substantially elevated pressure capability while retaining many of the installation advantages associated with polymer pipe.
Slow crack growth resistance is particularly important. Pressure pipe spends years under sustained hoop stress, and local scratches, notches or installation damage can become crack-initiation sites. Evonik specifically identifies high slow-crack-growth resistance as a major characteristic of NRG 5901 BK.
Hydrocarbon resistance is equally important. Gathering systems may transport natural gas, multiphase crude fluids or hydrocarbons containing condensates that can affect lower-performance polymers.
The grade is also suitable for produced water and brine, applications where metallic corrosion can create significant lifecycle cost.
Outdoor durability is another advantage. The black formulation has excellent UV resistance and is specifically described by Evonik as suitable for long-term outdoor applications.
Current commercial pipe systems made with VESTAMID NRG 5901 BK can also be butt-fusion and electrofusion compatible when processed within the qualified pipe system.
For operators seeking higher-pressure, corrosion-free, spoolable or thermoplastic oilfield line pipe, this grade is one of Evonik’s most application-specific PA12 materials.
Processing Guidelines for VESTAMID NRG 5901 BK
VESTAMID NRG 5901 BK supports both extrusion and injection molding.
Evonik publishes the following grade-specific processing guidance:
| Processing Parameter | Published Guidance |
|---|---|
| Primary Processes | Pipe / Tube Extrusion, Profile Extrusion, Injection Molding |
| Recommended Processing Temperature | 230–260°C |
| Possible Upper Temperature | Up to 280°C in some cases |
| Mold Temperature | 60–100°C |
| Drying Temperature | 80°C |
| Drying Time | 2–4 hours |
| Delivery Form | Pellets / Granules |
| Shelf Life | At least 2 years at ≤30°C in original undamaged packaging |
For pipe extrusion, optimize:
- Barrel-temperature profile
- Adapter and die temperature
- Screw speed
- Melt pressure
- Line speed
- Pipe diameter
- SDR / wall thickness
- Die swell
- Vacuum sizing
- Cooling rate
- Ovality
- Surface finish
- Residence time
For injection-molded fittings, optimize melt temperature, mold temperature, gate design, holding pressure, cooling and weld-line location.
Because VESTAMID NRG 5901 BK is a pressure-pipe resin, resin processing should be integrated with the finished pipe or fitting qualification process rather than evaluated only from appearance or short-term mechanical properties.
VESTAMID NRG 5901 BK vs. VESTAMID NRG 2101 YE
| Feature | VESTAMID NRG 5901 BK | VESTAMID NRG 2101 YE |
|---|---|---|
| Base Polymer | PA12 | PA12 |
| Color | Black | Yellow |
| Molecular Positioning | High molecular weight | High molecular weight |
| Viscosity | High | High |
| Main Market | Oil & gas gathering / flow lines | Gas distribution pipe and fittings |
| Hydrocarbon Resistance | Core feature | Yes |
| Produced-Water / Brine Use | Strong commercial positioning | Not the primary positioning |
| PPI Classification | PA42316 | Gas-pipe qualification uses separate grade documentation |
| HDB @ 23°C | 3,150 psi | Published 3,150 psi in gas-pipe data |
| HDB @ 60°C | 2,000 psi | Published 2,000 psi |
| HDB @ 82°C | 1,600 psi | Published 1,600 psi |
| Main Selection Reason | Black North American oilfield line-pipe resin | Yellow high-pressure gas-distribution resin |
Both grades are high-performance PA12 pipe materials, but the commercial positioning is different.
Choose VESTAMID NRG 5901 BK when the project involves black oilfield gathering lines, flow lines, produced water, brine or a PA42316 / ASTM F3524 line-pipe specification.
Choose VESTAMID NRG 2101 YE when the project is centered on the yellow high-pressure gas-distribution platform and its associated system approvals.
Related Products
VESTAMID NRG 2101 YE – Yellow high-molecular-weight PA12 for high-pressure gas distribution pipes and fittings.
VESTAMID NRG 2902 BK – Black PA12 fitting material for gas-pipe system accessories.
VESTAMID NRG 3901 BK – Black high-molecular PA12 for hydrocarbon transport pipe and thermoplastic liners.
View More PA12 Polyamide 12 Materials →
Technical Documents for VESTAMID NRG 5901 BK
| Document Type | Description |
|---|---|
| TDS | Current physical, mechanical, thermal and processing data |
| SDS | Safety Data Sheet |
| PPI TR-4 Listing | HDB and PA42316 material-design information |
| ASTM F3524 Pipe Documentation | Finished line-pipe specification context |
| COA | Batch-specific Certificate of Analysis where available |
| Oil & Gas Technical Support | Gathering, flow-line, produced-water and brine applications |
Need technical documents for VESTAMID NRG 5901 BK?
📧 Email: ruiqingchem@gmail.com
📝 Online form: Contact Us →
Please state VESTAMID NRG 5901 BK and the required document type when submitting your inquiry.
FAQ About VESTAMID NRG 5901 BK
Q1: What is VESTAMID NRG 5901 BK?
VESTAMID NRG 5901 BK is a black, high-molecular-weight, high-viscosity PA12 developed by Evonik for higher-pressure oil and gas line pipes and fittings.
Q2: Is VESTAMID NRG 5901 BK PA12-I?
The current public Evonik product information identifies it as PA12 and does not explicitly classify it as PA12-I. For technical accuracy, this page therefore uses PA12 unless a current Evonik document specifically states otherwise.
Q3: What is the density of VESTAMID NRG 5901 BK?
The typical density is approximately 1.01 g/cm³ according to ISO 1183.
Q4: What is the viscosity number?
The current grade-specific viscosity number is approximately 203 cm³/g, confirming its high-viscosity / high-molecular-weight positioning.
Q5: What is the tensile modulus?
The typical dry tensile modulus is approximately 1,250 MPa according to ISO 527.
Q6: How does VESTAMID NRG 5901 BK perform at low temperature?
Notched Charpy impact strength is approximately 23 kJ/m² at -30°C and 18 kJ/m² at -40°C.
Q7: Is VESTAMID NRG 5901 BK resistant to heavy hydrocarbons?
Yes. Evonik explicitly identifies resistance to heavy hydrocarbons as a key feature.
Q8: What long-term pressure rating does the resin have?
The PPI TR-4 listing gives HDB values of 3,150 psi at 23°C, 2,000 psi at 60°C and 1,600 psi at 82°C for the PA42316 material.
Q9: What processing temperature is recommended?
Evonik recommends approximately 230–260°C, with temperatures up to 280°C in some cases, a mold temperature of 60–100°C, and drying at 80°C for 2–4 hours.
Q10: Can you provide VESTAMID NRG 5901 BK TDS, SDS and PPI documentation?
Yes. Please request the latest documents through our Contact Page → or email ruiqingchem@gmail.com.
Request VESTAMID NRG 5901 BK Price & Technical Support
For pricing, availability, technical documents or project support for VESTAMID NRG 5901 BK, please provide:
- Required quantity
- Destination country or port
- Gas gathering, flow line, produced water or brine application
- Pipe outside diameter
- SDR / wall thickness
- Design pressure
- Operating temperature
- Gas / crude-fluid composition
- Produced-water chemistry
- Brine concentration
- H₂S and CO₂ exposure
- ASTM F3524 / PA42316 requirement
- Butt-fusion or electrofusion requirement
- Installation method
- Extrusion-line information
- TDS, SDS, COA or PPI-document requirements
- Sample requirement, if applicable
📧 Email: ruiqingchem@gmail.com
📝 Send Inquiry →
