描述
Santoprene 241-80W236 is a natural, colorable specialty thermoplastic vulcanizate developed for plumbing applications involving contact with potable water.
The grade belongs to the Santoprene food-, water- and detergent-resistant family and is certified to NSF/ANSI Standard 61: Drinking Water System Components – Health Effects.
Santoprene 241-80W236 has a typical hardness of approximately 87 Shore A, giving it a relatively firm elastomeric response while retaining high flexibility.
Current Celanese Materials Database information lists approximately:
- 560% elongation at break
- 11 MPa tensile stress at break
- 4.4 MPa tensile stress at 100% elongation
- 0.960 g/cm³ density
- 87 Shore A hardness
This combination allows the material to provide greater mechanical support than softer plumbing TPV grades while still maintaining substantial elastomeric deformation.
A particularly important feature of the grade is the W236 stabilization package.
Santoprene 241-80W236 contains a stabilization system designed to protect the material against copper and other metal-catalyzed degradation. This can be especially valuable in plumbing systems where elastomeric components operate close to copper tubing, brass fittings, metallic valves or other metal components.
The grade is shear dependent and can be processed on conventional thermoplastic equipment using injection molding, extrusion, blow molding, thermoforming or vacuum forming. It is polyolefin based and recyclable within the manufacturing stream.
For more TPV products, visit our TPV Thermoplastic Vulcanizates Product Category →.
For the current Celanese TPV portfolio, see the Official Celanese Santoprene & Geolast Product Finder →.
Key Features of Santoprene 241-80W236
| Feature | Engineering Benefit |
|---|---|
| 87 Shore A Hardness | Provides firm elastomeric support for plumbing and sealing parts |
| Natural / Colorable | Supports customized product colors |
| NSF/ANSI 61 Certified | Supports selected potable-water-contact applications |
| 560% Elongation at Break | Maintains high deformation capability despite relatively high hardness |
| 11 MPa Tensile Stress at Break | Provides strong mechanical performance |
| 4.4 MPa Stress at 100% Elongation | Provides firmer elastomeric response |
| Copper/Metal Stabilized | Helps protect against copper- and metal-catalyzed degradation |
| Shear-Dependent TPV | Flow improves as processing shear increases |
| Injection Moldable | Suitable for complex plumbing components |
| Extrudable | Suitable for profiles and continuous sections |
| Blow Moldable | Supports selected hollow components |
| Thermoformable | Expands manufacturing flexibility |
| Vacuum Formable | Supports formed technical components |
| Polyolefin Based | Combines elastomeric performance with thermoplastic processing |
| Manufacturing-Stream Recyclability | Controlled process scrap may be reused |
The strongest reason to select Santoprene 241-80W236 is its combination of high Shore A hardness, NSF 61 potable-water certification and W236 metal-stabilization technology.
Typical Applications for Santoprene 241-80W236
Santoprene 241-80W236 is particularly suitable for plumbing and potable-water applications requiring a firmer elastomeric material.
| Application Area | Typical Use |
|---|---|
| Potable-Water Systems | Flexible technical components exposed to drinking water |
| Plumbing Seals | Firm sealing components |
| Gaskets | Water-contact sealing applications |
| Valve Components | Flexible valve seals and interfaces |
| Plumbing Fittings | Elastomeric sealing and connection parts |
| Connectors | Flexible water-system components |
| Extruded Profiles | Plumbing and sealing profiles |
| Grommets | Protection and sealing |
| Appliance Water Systems | Flexible water-contact components |
| Industrial Water Equipment | Technical elastomeric parts |
| Copper-Adjacent Parts | Components exposed to metal-catalyzed aging conditions |
| Color-Coded Components | Natural-base parts requiring pigmentation |
The W236 stabilization system is particularly useful in components installed close to copper, brass or other metallic plumbing hardware.
Typical Properties of Santoprene 241-80W236
Physical Properties
| Property | Typical Value | Test Method |
|---|---|---|
| Density | 960 kg/m³ / 0.960 g/cm³ | ISO 1183 |
| Shore A Hardness, 15 s | 87 | ISO 48-4 / ISO 868 |
| Material Family | TPV | Manufacturer information |
| Appearance | Natural / Colorable | Manufacturer information |
| Product Form | Pellets / Granules | Manufacturer information |
These are the current values reported in the Celanese Materials Database sheet revised April 2023.
Mechanical Properties
| Property | Typical Value | Test Method |
|---|---|---|
| Tensile Stress at 100% Elongation | 4.4 MPa | ISO 527-1/-2 or ISO 37 |
| Tensile Stress at Break | 11 MPa | ISO 527-1/-2 or ISO 37 |
| Elongation at Break | 560% | ISO 527-1/-2 or ISO 37 |
| Shore A Hardness | 87 | ISO 48-4 / ISO 868 |
The combination of approximately 87 Shore A hardness and 560% elongation gives Santoprene 241-80W236 a useful balance between firmness and elastomeric deformation.
NSF/ANSI 61 Potable Water Certification
One of the primary reasons to specify Santoprene 241-80W236 is its NSF/ANSI 61 certification.
NSF/ANSI 61 addresses health-effects requirements for materials and components used in drinking-water systems.
Potential applications include:
- Drinking-water plumbing
- Water-system seals
- Gaskets
- Valve components
- Plumbing fittings
- Connectors
- Appliance water systems
- Water-treatment components
Celanese specifically identifies Santoprene 241-80W236 as being designed for plumbing applications in contact with potable water.
W236 Copper & Metal Stabilization
The W236 designation represents an important functional feature of this grade.
Celanese states that the material contains a stabilization system for protection against copper and other metal-catalyzed degradation.
This feature is relevant where the TPV may operate near:
- Copper tubing
- Brass fittings
- Metal valves
- Metallic connectors
- Plumbing assemblies
- Water-system metal interfaces
Long-term exposure to certain metals, temperature and environmental conditions can accelerate degradation in polymer systems.
The W236 stabilization package is designed to improve material durability in these environments.
Processing Guidelines for Santoprene 241-80W236
Santoprene 241-80W236 can be processed using conventional thermoplastic equipment.
Published processes include:
- Injection molding
- Extrusion
- Profile extrusion
- Sheet extrusion
- Coextrusion
- Blow molding
- Injection blow molding
- Extrusion blow molding
- Thermoforming
- Vacuum forming
Injection Molding Conditions
| Processing Parameter | Published Guidance |
|---|---|
| Drying Temperature | 82°C |
| Drying Time | 3 hours |
| Maximum Moisture Content | 0.08% |
| Maximum Regrind Level | 20% |
| Rear Zone Temperature | 177°C |
| Middle Zone Temperature | 182°C |
| Front Zone Temperature | 188°C |
| Nozzle Temperature | 193–232°C |
| Processing Melt Temperature | 199–232°C |
| Mold Temperature | 10–52°C |
| Injection Speed | Fast |
| Back Pressure | 0.345–0.689 MPa |
| Screw Speed | 100–200 rpm |
| Vent Depth | 0.025 mm |
Published grade-specific processing information gives these injection parameters for Santoprene 241-80W236.
Extrusion Conditions
| Processing Parameter | Published Guidance |
|---|---|
| Drying Temperature | 82°C |
| Drying Time | 3 hours |
| Melt Temperature Reference | 202°C |
The current Celanese Materials Database sheet gives approximately 202°C as the extrusion melt-temperature reference.
General Santoprene Processing Window
Celanese recommends approximately 3 hours of desiccant drying at 80–82°C.
The broader Santoprene TPV processing window is approximately 175–230°C.
Shear-Dependent Flow
Santoprene 241-80W236 is a shear-dependent TPV.
As shear rate increases, apparent melt viscosity decreases.
Processors should optimize:
- Injection speed
- Screw speed
- Back pressure
- Gate dimensions
- Melt temperature
- Mold temperature
- Venting
- Die design
- Cooling conditions
- Draw-down
- Surface finish
Material Compatibility
Published Celanese processing guidance states that Santoprene TPV is incompatible with acetal (POM) and PVC.
Equipment should be thoroughly purged when changing between these materials and Santoprene 241-80W236.
Why Choose Santoprene 241-80W236?
The main reason to choose Santoprene 241-80W236 is its combination of potable-water compliance, high elastomeric strength and metal stabilization.
Its approximately 87 Shore A hardness provides greater mechanical support than softer water-contact TPV materials.
At the same time, approximately 560% elongation at break allows substantial elastic deformation.
Its typical 11 MPa tensile stress at break provides strong mechanical performance.
The material’s NSF/ANSI 61 certification makes it relevant to potable-water plumbing applications.
The W236 stabilization system provides additional protection against degradation associated with copper and other metals.
Thermoplastic processability allows the material to be injection molded, extruded, blow molded or formed without a conventional rubber cure cycle.
For customers requiring a natural/colorable 87A TPV for potable-water plumbing with copper/metal stabilization, Santoprene 241-80W236 is an important grade to evaluate.
Related Products
We supply Santoprene TPV grades for different potable-water, plumbing, hardness and processing requirements.
Typical Santoprene families include:
- Santoprene 241 Series
- Santoprene W236 metal-stabilized grades
- Santoprene potable-water grades
- Santoprene plumbing grades
- Santoprene food and water grades
- Santoprene sealing grades
- Santoprene specialty TPV grades
View More TPV Thermoplastic Vulcanizates →
If you need grade-selection support, send us your hardness, potable-water certification, metal-contact, temperature and processing requirements.
Technical Documents for Santoprene 241-80W236
| Document Type | Description |
|---|---|
| TDS | Current physical, mechanical and processing data |
| SDS | Safety Data Sheet |
| NSF 61 Information | Potable-water system component certification |
| Processing Guide | Injection molding and extrusion guidance |
| Santoprene Product Finder | Celanese grade portfolio and positioning |
| COA | Batch-specific quality information where available |
Need technical documents for Santoprene 241-80W236?
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Please state Santoprene 241-80W236 and whether you require TDS, SDS, NSF documentation or other technical information.
FAQ About Santoprene 241-80W236
Q1: What is Santoprene 241-80W236?
Santoprene 241-80W236 is a natural, colorable specialty TPV designed for plumbing applications in contact with potable water.
Q2: What is the hardness of Santoprene 241-80W236?
The current typical hardness is approximately 87 Shore A.
Q3: Is Santoprene 241-80W236 NSF 61 certified?
Yes. It is certified to NSF/ANSI Standard 61 for drinking-water system components.
Q4: What does W236 mean?
W236 identifies a formulation containing a stabilization system designed to protect against copper and other metal-catalyzed degradation.
Q5: What is the elongation at break?
The typical elongation at break is approximately 560%.
Q6: What is the tensile stress at break?
The typical value is approximately 11 MPa.
Q7: What is the tensile stress at 100% elongation?
The typical value is approximately 4.4 MPa.
Q8: What is the density?
The typical density is approximately 0.960 g/cm³.
Q9: Can Santoprene 241-80W236 be used near copper components?
The grade is specifically stabilized against copper and other metal-catalyzed degradation, making this one of its primary application features.
Q10: Can Santoprene 241-80W236 be injection molded?
Yes. Injection molding is a supported processing method.
Q11: Can Santoprene 241-80W236 be extruded?
Yes. Extrusion, profile extrusion, sheet extrusion and coextrusion are listed processing methods.
Q12: Can it be blow molded?
Yes. Both injection blow molding and extrusion blow molding are listed for the grade.
Q13: Does Santoprene 241-80W236 require drying?
Published guidance recommends approximately 82°C for 3 hours in a dehumidified dryer.
Q14: What injection melt temperature is recommended?
Published grade-specific guidance gives approximately 199–232°C.
Q15: What mold temperature is recommended?
The published range is approximately 10–52°C.
Q16: Is Santoprene 241-80W236 colorable?
Yes. It is a Natural / colorable specialty TPV.
Request Santoprene 241-80W236 Price & Technical Support
For pricing, availability, technical documents or application support for Santoprene 241-80W236, please provide:
- Required quantity
- Destination country or port
- Potable-water or plumbing application
- Seal, gasket, fitting, connector or profile design
- Required hardness
- Required color
- Copper / brass / other metal contact
- Drinking-water certification requirement
- Water-contact temperature
- Continuous and peak operating temperature
- Injection-molding, extrusion or blow-molding process
- NSF documentation requirement
- TDS, SDS or COA requirement
- Sample requirement, if applicable
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