Santoprene 101-80: specs and equivalent grades
Black thermoplastic vulcanizate (TPV) from Celanese for molding, extrusion, blow molding and thermoforming. Published data from the current Celanese sheet, grades to ask about, and how to request a quote from one gaylord.
Request a QuoteThe short answer
Santoprene 101-80 is a black, polyolefin-based thermoplastic vulcanizate (TPV) from Celanese. Celanese recommends it for parts that need excellent flex fatigue resistance and notes excellent ozone resistance. The current sheet (revised 2026-08-12) lists Shore A 87 on a 15 second reading (ISO 48-4 / ISO 868); the 80 in the grade name is a grade designation, not the measured hardness. It also gives density 0.96 g/cm³, tensile stress at break 10.4 MPa, elongation at break 526 % and compression set of 36 % at 70°C, 24 h (ISO 815). Celanese does not publish a melt flow rate; it says the grade is shear dependent. These are typical values; confirm them on the current producer data sheet. The closest grades to ask about are Celanese’s natural Santoprene 201-80 and the UV-resistant black Santoprene 121-80. No grade is a drop-in replacement.
Also written as: Santoprene 101-80 TPV, Santoprene 101-80 black. Santoprene was an ExxonMobil brand until Celanese bought the business in December 2021, so older paperwork may say ExxonMobil. The 80 in the name is not the current measured hardness: the sheet lists Shore A 87 at 15 seconds. Celanese’s Chemille database also lists grades with similar names, such as 101-80 ECO-R and 9101-80E, that are separate grades. Quote the full grade code from your drawing or bag label.
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Santoprene 101-80 specs from the data sheet
Typical values from Celanese’s Santoprene 101-80 data sheets (SI and US units, Celanese Materials Database, revised 2026-08-12). Typical values are not specifications; the lot COA shows what you actually receive. Values only compare at the same test method and condition. Values for 201-80, 121-80 or other similarly named grades are not mixed in here; see the equivalents table.
| Property | Value | Test method or note |
|---|---|---|
| Producer (brand owner) | Celanese | Data sheet revised 2026-08-12 (Celanese Materials Database). Formerly an ExxonMobil brand |
| Polymer | Thermoplastic vulcanizate (TPV), polyolefin based, black | ISO 1043 resin identification TPV. Celanese says it is recyclable within the manufacturing stream |
| Process | Injection molding, multi-injection molding, extrusion (including small tubing and sheet), coextrusion, blow molding (injection and extrusion), thermoforming | As listed on the sheet |
| Melt flow | Not published | Celanese says the grade is shear dependent: viscosity is high at low shear and drops as shear rate rises |
| Density | 0.96 g/cm³ (960 kg/m³; 0.0347 lb/in³) | ISO 1183 |
| Mold shrinkage, parallel / normal | 1.8 % / 0.8 % | ISO 294-4, 2577; 2.0 mm, at least 24 h after molding (Celanese method TPE-X0080) |
| Hardness | Shore A 87 (15 second reading) | ISO 48-4 / ISO 868, 15 second delay. The 80 in the grade name is a grade designation, not this measured value |
| Tensile stress at break, perpendicular | 10.4 MPa (1,510 psi) | ISO 37 |
| Tensile stress at 100 % elongation, perpendicular | 4.61 MPa (669 psi) | ISO 37 |
| Elongation at break, perpendicular | 526 % | ISO 37 |
| Tear strength, normal | 33 kN/m | ISO 34-1 |
| Compression set | 36 % (70°C, 24 h); 52 % (125°C, 70 h) | ISO 815 |
| Heat aging, 150°C, 168 h | Tensile strength −5.8 %; elongation at break −12 %; Shore A +1.7 | ISO 188 |
| Brittleness temperature | −60°C (−76°F) | ASTM D746; ISO 812 also −60°C |
| UL 94 flame rating | HB at 1.5 mm and 1.0 mm, UL recognized | UL 94 / IEC 60695-11-10 |
| UL files | QMFZ2.E80017 and QMFZ8.E80017 (plastics, component); QMTT2.E86313 (polymeric materials for wire, cable and flexible lighting products, component) | As listed in Celanese’s key features |
| Relative thermal index | 90°C electrical (1.5 and 3.0 mm); 90°C strength at 1.5 mm, 95°C at 3.0 mm | UL 746B |
| Hot wire ignition | PLC 3 at 1.5 mm; PLC 2 at 3 mm | UL 746A |
| Outdoor and detergent suitability | UL 746C f1 (outdoor); UL 749 f3 and UL 2157 f4 (detergent) | As listed on the sheet |
| Automotive interior burn rate | FMVSS class B; 20 mm/min at 2 mm | ISO 3795 (FMVSS 302) |
| Relative permittivity, 60 Hz | 2.6 | IEC 62631-2-1 |
| Drying | 80°C / 176°F for at least 3 h in a dehumidifying dryer; max moisture 0.08 % | Producer injection data. Extrusion: 82°C for 3 h |
| Melt / mold temperature, injection | Melt 190–220°C, optimum 205°C (401°F); mold 10–50°C, optimum 30°C (86°F); max regrind 20 % | Producer injection data. Extrusion melt 202°C (396°F) |
| Compatibility | Incompatible with acetal and PVC | Producer processing note |
| Automotive approvals listed | BMW GS93042; Chery Q/SQR.04.1195-2011; Ford WSD-M2D381-A1; GM GMW15813P-TPV-(EPDM+PP)-Type 7; Hyundai MS220-05 Type D; Mercedes-Benz DBL5562; Stellantis 55248_02 EMP90 and B63 0300 / TPV1hose-125 (coolant hose); VW 50123 | As listed on the sheet. Renault lines are marked special part approval only |
| Food contact | Not stated on the sheet | Ask Celanese for a statement for the exact grade |
Source data sheets are listed at the bottom of this page. Confirm against the current sheet for your exact grade code and color.
How to read the hardness: Celanese reports Shore A 87 after a 15 second delay (ISO 48-4 / ISO 868). Durometer readings drop the longer the indenter stays on the sample, so a 1, 3 or 5 second reading on the same specimen reads higher than the 15 second value. The 80 in the grade name is therefore not a shorter-delay version of this reading; treat it as a grade designation. Readings also shift with specimen type (molded or extruded) and thickness, so compare hardness only at the same standard, delay time and specimen.
Grades to ask about instead of Santoprene 101-80
The closest options are Celanese’s own: the natural, colorable Santoprene 201-80 and the black, UV-resistant Santoprene 121-80. Celanese does not publish melt flow for any of these grades, so flow is matched only by the processing temperatures on the sheets. None is a drop-in replacement. If your part, drawing or automotive spec names Santoprene 101-80, any change needs that approval and usually a trial.
| Grade | Producer | Melt flow | Density | Key property | How it compares |
|---|---|---|---|---|---|
| Santoprene 201-80 | Celanese | Not published (same 190–220°C melt range and 205°C optimum on its sheet) | 0.96 g/cm³ (ISO 1183) | Shore A 86 (15 second reading); tensile stress at break 11.1 MPa; 100 % modulus 4.7 MPa; elongation 540 %; tear 35 kN/m; compression set 41 % (70°C, 24 h) and 47 % (125°C, 70 h) | Natural and colorable rather than black. Close in hardness and strength, but compression set at 70°C is higher (41 vs 36 %) while at 125°C it is lower (47 vs 52 %), so seal designs need checking. Its automotive list is shorter: Ford WSD-M2D381-A1 and Stellantis 55248_02 EMP90. Sheet revised 2026-08-12. Quote this alternative › |
| Santoprene 121-80 | Celanese | Not published (melt 200–230°C, optimum 215°C on its sheet) | 0.97 g/cm³ (ISO 1183) | Shore A 85 (15 second reading); tensile stress at break 11 MPa; 100 % modulus 4.6 MPa; elongation 560 %; compression set 52 % (125°C, 70 h); UL 746C f1 | Black and designed for improved UV resistance. It runs about 10°C hotter. Its sheet gives compression set at 23°C rather than 70°C, and heat aging at 135°C for 1,008 h rather than 150°C for 168 h, so those rows do not compare. It shares VW 50123 and Mercedes-Benz DBL5562 with 101-80, but its other approvals are different specs or types (for example Ford WSS-M2D281-B1, GM GMW15812P Type 7E, Hyundai MS220-05 Type M, VW TL 526 41D). Check before you switch. Sheet revised 2026-08-12. Quote this alternative › |
From each producer’s published data; typical values, confirm on the current producer data sheet. Brand owners and grade names change.
Need it softer? Santoprene 101-73 reads Shore A 78 and Santoprene 101-64 reads Shore A 70, both on 15 second readings. They are not equivalents because the hardness gap is large. We did not list TPVs from other producers: none publish a melt flow we could match, and their hardness and compression set are often reported at different dwell times and test lengths. Ask us if you want one quoted.
Typical uses for Santoprene 101-80
Celanese describes Santoprene 101-80 as a versatile TPV for a wide range of applications and recommends it where excellent flex fatigue resistance is needed. The sheet supports these uses:
- Molded and extruded parts that flex repeatedly and see ozone
- Automotive parts covered by the approvals on the sheet, including a Stellantis coolant hose specification (B63 0300 / TPV1hose-125)
- Wire, cable and flexible lighting parts (UL file QMTT2.E86313)
- Outdoor parts (UL 746C f1) and appliance parts exposed to detergent (UL 749 f3, UL 2157 f4)
- Small tubing, sheet, coextruded, blow-molded and thermoformed parts
What to check before you switch
- Owner check: the current sheet is issued by Celanese. Older paperwork may say ExxonMobil. Confirm on your quote who issues the COA and any compliance letters.
- Hardness check: the name says 80 but the current sheet lists Shore A 87 at 15 seconds (ISO 48-4 / ISO 868). If a drawing calls for Shore A 80, confirm the standard and delay time it means before you treat 101-80 as a match, and write the hardness, standard and delay time you need on the RFQ.
- Check the exact grade code. Celanese lists 101-80 ECO-R and 9101-80E as separate grades; do not assume the 101-80 values on this page apply to them.
- Compare compression set at the same standard, temperature and time. Seals depend on this number. See seal compression set problems.
- Keep it away from acetal and PVC in the barrel. Celanese lists Santoprene TPV as incompatible with both.
- Dry it. Celanese recommends desiccant drying for 3 hours at 80°C. See our resin drying guide.
- Check fluids and oils for your actual service conditions, and run a trial on your tool or die for shrinkage (1.8 % in flow, 0.8 % across on the sheet), surface finish and any bond to a hard substrate.
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Buying Santoprene 101-80: price, lead time and lot size
- Lot size. From one gaylord to a railcar. See gaylord, LTL and truckload for typical weights per box.
- Where it ships from. 22+ partner warehouse locations. Lead time is confirmed with your quote.
- Price. We do not publish prices because they move with feedstock, freight and order size. What moves your price most: lot size, black versus a natural or custom color, ship-to region, and whether you need Santoprene 101-80 itself or can accept a matched alternative. See how resin is priced and the monthly market update.
- Paperwork. Supplier COA on every prime lot (what a COA shows). Ask for the producer’s UL file or automotive approval letters if your part needs them. Payment terms are confirmed with your quote.
- Trying an alternative? Samples (~50 lb) are available upon credit approval, or start with one gaylord as a trial lot. Custom compounding and color are available.
- If Santoprene 101-80 itself is not available. If we cannot source it, we tell you, then quote a matched alternative with a side-by-side comparison.
Send the grade and color, your annual volume and ship-to location. A polymer chemist reviews every request before we quote. For several grades at once, use the resin RFQ template.
Trade names belong to their owners. ResinBridge is not affiliated with these producers; grade names are used only to identify the material. Data reflects published sheets as of November 2026.
Sources
- Celanese Santoprene 101-80 data sheet, SI units (Celanese Materials Database, revised 2026-08-12, PDF)
- Celanese Santoprene 101-80 data sheet, US units (Celanese Materials Database, revised 2026-08-12, PDF)
- Celanese Chemille grade page: Santoprene 101-80 (description, color, approvals)
- Celanese Santoprene 201-80 data sheet, SI units (revised 2026-08-12, PDF)
- Celanese Chemille grade page: Santoprene 201-80
- Celanese Santoprene 121-80 data sheet, SI units (revised 2026-08-12, PDF)
- Celanese Chemille grade page: Santoprene 121-80
- Celanese Santoprene 101-73 data sheet, SI units (revised 2026-08-12, PDF)
- Celanese Santoprene 101-64 data sheet, SI units (revised 2026-08-12, PDF)
- Celanese Chemille search results for Santoprene 101-80 (similarly named grades)
- Celanese Santoprene TPV product page (brand owner)
Common questions
What is Santoprene 101-80?
Santoprene 101-80 is a black, polyolefin-based thermoplastic vulcanizate (TPV) from Celanese. It runs on standard thermoplastic equipment for injection molding, extrusion, blow molding and thermoforming. Celanese recommends it for parts that need excellent flex fatigue resistance and notes excellent ozone resistance. It was an ExxonMobil brand until December 2021.
What is the hardness of Santoprene 101-80?
Celanese’s current sheet lists Shore A 87, read after a 15 second delay (ISO 48-4 / ISO 868). The 80 in the grade name is a grade designation, not the value on the current sheet. A different delay time does not explain the gap: a shorter reading on the same specimen gives a higher number, not a lower one. When you compare sheets or write an RFQ, state the Shore A value, the standard and the delay time.
What is the melt flow of Santoprene 101-80?
Celanese does not publish a melt flow rate for this grade. The sheet says Santoprene TPV is shear dependent: viscosity is high at low shear and drops as shear rises, and temperature has little effect. Smaller gates and higher shear help it fill.
What is the difference between Santoprene 101-80 and 101-64?
Both are black Celanese TPVs. 101-80 is much harder (Shore A 87 vs 70 at 15 seconds), stronger (tensile at break 10.4 vs 6.47 MPa) and slightly lighter (0.96 vs 0.97 g/cm³). 101-64 has lower compression set (25 vs 36 % at 70°C, 24 h). 101-80 also lists thermoforming, a wire and cable UL file and hot wire ignition data.
What is equivalent to Santoprene 101-80?
No grade is a drop-in replacement. The closest grades to ask about are Celanese’s Santoprene 201-80 (natural, colorable, Shore A 86) and Santoprene 121-80 (black, UV resistant, Shore A 85). Both differ in compression set data and automotive approvals, so check your spec. Compare data sheets, run a trial and get approval if your part names 101-80.
Is Santoprene 101-80 UL listed or food contact compliant?
Celanese lists UL files QMFZ2.E80017, QMFZ8.E80017 and QMTT2.E86313 (wire, cable and flexible lighting), UL 94 HB recognition at 1.5 mm and 1.0 mm, UL 746B relative thermal indices of 90°C (95°C for strength at 3.0 mm) and UL 746C f1 outdoor suitability. The sheet does not state food contact compliance.
How do you dry and mold Santoprene 101-80?
Celanese recommends desiccant drying for at least 3 hours at 80°C to 0.08 % moisture or less. Injection melt is 190–220°C with a 205°C optimum, mold 10–50°C, and up to 20 % regrind. Keep acetal and PVC out of the barrel; Celanese lists them as incompatible.
Can ResinBridge quote Santoprene 101-80?
Yes. Send the grade and volume. A polymer chemist reviews every request, and we quote Santoprene 101-80 where we can source it, or a matched alternative, and say which one. Orders start at one gaylord; U.S. and Canada only.
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