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ULTEM 1010: specs and equivalent grades

SABIC unfilled, amorphous polyetherimide (PEI) with about twice the melt flow of ULTEM 1000: Tg 217°C, inherently flame retardant, transparent amber, for thin-wall and long-flow molded parts. Published data, grades to ask about, and how to request a quote from one gaylord.

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The short answer

ULTEM 1010 is SABIC’s unfilled, amorphous polyetherimide (PEI) with improved flow. It has the same 217°C glass transition temperature, inherent flame retardance and transparent amber base color as ULTEM 1000. Published melt flow is 17.8 g/10 min at 337°C / 639°F, 6.6 kg (ASTM D1238), against 9 g/10 min for ULTEM 1000. Specific gravity is 1.27 (ASTM D792), HDT is 201°C at 1.82 MPa (ASTM D648, 6.4 mm), and SABIC lists UL 94 V-0 at 0.75 mm and above. These are typical values; confirm on the current producer data sheet. The closest grade to ask about is ULTEM 1000, which trades flow for higher notched impact. None of the alternatives is identical, so compare the data sheets and run a trial before switching.

Also written as: SABIC sells related grades in the 1010 family, for example ULTEM 1010R (internal mold release), 1010F (food-contact grade) and 1010TC, plus powder grades such as 1010P200. These are separate grades, not color codes. Quote the full code and color from your drawing or bag label; suffixes change the grade. Looking for 3D printing filament? This page covers pellets for molding and extrusion; filaments made from ULTEM 1010 resin are sold as separate products.

Buying ULTEM 1010: one gaylord to a railcar · supplier COA on every prime lot · ships from 22+ partner warehouse locations · a polymer chemist checks the grade code before we quote · we aim to quote within one to three business days

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ULTEM 1010 specs from the data sheet

Typical values from SABIC’s ULTEM 1010 technical data sheet (revision 20260505, downloaded from SABIC’s document server). Typical values are not specifications; confirm on the current producer data sheet, and the lot COA shows what you actually receive. Values only compare at the same test method and condition.

Property	Value	Test method or note
Producer (brand owner)	SABIC	Producer named on the current data sheet (revision 20260505)
Polymer	Polyetherimide (PEI), unfilled, amorphous; transparent amber base color, also offered in custom transparent and opaque colors
Process	SABIC lists injection molding, extrusion (film, profile, foam), extrusion blow molding, compression molding and additive manufacturing
Melt flow	MFR 17.8 g/10 min (ASTM D1238); MVR 25 cm³/10 min at 360°C and 13 cm³/10 min at 340°C (ISO 1133)	337°C / 639°F, 6.6 kg (ASTM); 5.0 kg (ISO). ULTEM 1000 lists 9 g/10 min and 13 cm³/10 min at 360°C
Density	1.27 g/cm³ (ISO 1183); specific gravity 1.27 (ASTM D792)
Mold shrinkage, flow and cross-flow, 3.2 mm	0.5–0.7 %	SABIC method
Water absorption, 24 h / saturated, 23°C	0.25 % / 1.25 %	ASTM D570 and ISO 62-1
Tensile modulus	3,200 MPa (ISO 527); 3,350 MPa (ASTM D638, 5 mm/min)
Tensile stress at yield	110 MPa (ISO 527); 115 MPa (ASTM D638, 50 mm/min)
Tensile strain at break	50 % (ISO 527); 60 % (ASTM D638)
Flexural modulus / stress at yield	3,300 MPa / 160 MPa (ISO 178)
Notched Izod impact, 23°C	32 J/m (ASTM D256); 5 kJ/m² (ISO 180/1A)	ULTEM 1000 lists 53 J/m and 6 kJ/m²
Glass transition temperature	217°C / 423°F
HDT 1.82 MPa / 0.45 MPa, 6.4 mm, unannealed	201°C / 394°F; 210°C / 410°F	ASTM D648 (3.2 mm: 190°C and 207°C; ISO 75/Af flatwise: 192°C)
Vicat softening temperature	211°C (B50)	ISO 306 and ASTM D1525
Relative temperature index	170°C electrical; 170°C mechanical with and without impact	UL 746B
Flammability	UL 94 V-0 at 0.75 mm and above; 5VA at 3 mm and above; V-2 at 0.4 mm	UL 94, UL file E121562; ratings may not cover every color and thickness, check the UL card
Oxygen index	44 % (ASTM D2863); 47 % (ISO 4589)
Aerospace flame	FAR 25.853 compliance	As stated on the sheet
Dielectric strength, in oil	33 kV/mm at 0.8 mm; 16 kV/mm at 3.2 mm	IEC 60243-1
RoHS and halogen	RoHS compliant; natural (uncolored) material halogen free per IEC 61249-2-21, IPC 4101E and JEDEC JS709B	Colored versions checked case by case, per SABIC
Drying	150°C / 302°F for 4–6 h; max moisture 0.02 %; max cumulative 24 h	Producer processing data
Melt / mold temperature	350–410°C (662–770°F) / 135–180°C (275–356°F)	Producer processing data
Food contact	The ULTEM 1010 sheet makes no food-contact statement. SABIC offers ULTEM 1010F, a separate grade, for food-contact applications. Ask for SABIC’s current declaration for the exact grade, color and end use.

Source data sheets are listed at the bottom of this page. Confirm against the current sheet for your exact grade code and color.

Mold temperatures of 135–180°C usually need oil or high-temperature mold heaters rather than water; check your press and tool before planning a trial.

Grades to ask about instead of ULTEM 1010

The closest option is SABIC’s own ULTEM 1000, the same polymer at lower flow. We did not find a producer-published sheet for a high-flow PEI from another base-resin producer. RTP Company is a compounder, and its listing does not name the base resin source. PEEK is a different polymer that buyers look at when PEI is short. None is a drop-in replacement. If your part, drawing or customer approval names ULTEM 1010, any change needs your approval and usually a trial.

Grade	Producer	Melt flow	Density	Key property	How it compares
ULTEM 1000	SABIC	9 g/10 min (337°C / 639°F, 6.6 kg, ASTM D1238); MVR 13 cm³/10 min (360°C, 5.0 kg, ISO 1133)	1.27 g/cm³ (ISO 1183)	Tg 217°C; HDT 201°C at 1.82 MPa (ASTM D648, 6.4 mm); notched Izod 53 J/m (ASTM D256); UL 94 V-0 at 0.75 mm and above	Same producer and same polymer at about half the melt flow. Heat, density, tensile and UL values on the two sheets match; ULTEM 1000 lists higher notched Izod and a 47 % oxygen index by ASTM D2863 (ULTEM 1010: 44 %). It is harder to fill in thin walls and long flow paths, so expect higher melt temperature or injection pressure. See our ULTEM 1000 page. Quote this alternative ›
RTP 2100	RTP Company	Not shown on RTP’s series listing; RTP also lists a separate low-flow version, RTP 2100 LF	Not shown on the listing	RTP lists it as an unreinforced PEI base resin, offered for precolor only	Partial match, unconfirmed. Unfilled PEI from a compounder; the listing does not say where the base resin comes from, and we could not confirm its flow against ULTEM 1010 from RTP’s own published data. Ask for the data sheet, UL file and any FAR 25.853 statement before a trial. Quote this alternative ›
Victrex PEEK 450G	Victrex	Melt viscosity 350 Pa·s at 400°C (ISO 11443); no MFR published	1.30 g/cm³ (ISO 1183)	Tensile stress at yield 98 MPa (ISO 527); HDT 152°C at 1.8 MPa; Tg 143°C (onset), melting point 343°C; RTI 260°C electrical (UL 746B)	Different polymer. Semi-crystalline PEEK with a higher continuous-use rating and stronger chemical resistance, but a lower HDT at 1.8 MPa, different shrinkage and mold temperatures of 170–200°C, so the tool and part design usually change. It is a standard-viscosity PEEK, not a high-flow one. See PEEK vs. PEI. Quote this alternative ›

From each producer’s published data; typical values, confirm on the current producer data sheet. Brand owners and grade names change.

Typical uses for ULTEM 1010

SABIC lists high flow, thin wall, low warpage and low shrinkage among the features of ULTEM 1010, and these industries and uses on the data sheet:

Aerospace and automotive under-the-hood parts, heavy truck and specialty vehicles (the sheet states FAR 25.853 compliance)
Electrical and electronics: energy management, lighting, circuit boards, printers and copiers, phones and tablets, speakers and earphones, wireless communication
Healthcare: surgical devices, pharmaceutical packaging and drug delivery, patient testing (grade dependent)
Home and commercial appliances, furniture and consumer goods
Industrial electrical, material handling, textile and eyewear parts
Building components and water management parts
Rail and mass transportation parts, and industrial packaging

What to check before you switch

Owner check: the current ULTEM 1010 data sheet (revision 20260505) is issued by SABIC. Brand owners change, so confirm on your quote who issues the COA, UL file and regulatory letters.
ULTEM 1000 and 1010 are not interchangeable without approval. The heat and tensile values match, but ULTEM 1010 flows about twice as easily and lists lower notched Izod impact (32 vs 53 J/m, ASTM D256). A part designed around 1010 flow may not fill with 1000.
Pick the right 1010-family grade. Mold-release, food-contact and powder versions (1010R, 1010F, 1010P200 and others) are separate grades. If your drawing says ULTEM 1010, do not accept a suffix grade without approval, and the reverse.
PEI from other sellers, such as RTP 2100, may not carry the same UL listing, RTI, FAR 25.853 statement or regulatory letters. Ask for each document by grade and color before a trial.
PEEK is not a PEI substitute without redesign. It is semi-crystalline, shrinks differently, needs hotter tools, and lists a lower HDT at 1.8 MPa even though its RTI is higher. See PEEK alternatives.
PEI must be dry. The sheet asks for 150°C for 4–6 hours, 0.02 % maximum moisture and no more than 24 hours cumulative drying. See our resin drying guide.
Compare melt flow, density and impact only at the same test condition and method (ASTM vs. ISO results differ).
Run a trial lot and check fill, shrinkage, cycle time, stress cracking and appearance before you switch production.

Buying ULTEM 1010: 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. Material already in a partner warehouse usually moves sooner than a grade that has to come from the producer; your quote says which applies.
Price. We do not publish prices because they move with feedstock, freight and order size. What moves your price most: lot size, color, ship-to region, and whether you need ULTEM 1010 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 regulatory letter or UL file if your part needs them.
Trying an alternative? Start with one gaylord as a trial lot, molded and checked before you commit a full release.
If ULTEM 1010 itself is not available. Some branded grades are sold only through the producer’s own channels or go on allocation. If we cannot source it, we tell you, then quote a matched alternative with a side-by-side comparison.

Send the grade code, your annual volume and ship-to location. A polymer chemist checks it before we quote; we have been in the resin business for 30+ years. 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

Common questions

What is ULTEM 1010?

ULTEM 1010 is SABIC’s unfilled, amorphous polyetherimide (PEI) with improved flow compared with ULTEM 1000. It has a glass transition temperature of 217°C, is inherently flame retardant and has a transparent amber base color.

What is the difference between ULTEM 1000 and ULTEM 1010?

Mainly flow. SABIC lists ULTEM 1010 at 17.8 g/10 min and ULTEM 1000 at 9 g/10 min (337°C, 6.6 kg, ASTM D1238), and MVR 25 vs 13 cm³/10 min at 360°C, 5.0 kg (ISO 1133). Tg (217°C), density (1.27), tensile stress at yield and HDT at 1.82 MPa (201°C, 6.4 mm) are the same on both sheets. ULTEM 1010 lists lower notched Izod impact: 32 J/m vs 53 J/m (ASTM D256). Typical values; confirm on the current producer data sheet.

What is the melt flow of ULTEM 1010?

17.8 g/10 min at 337°C / 639°F, 6.6 kg (ASTM D1238). By ISO 1133, MVR is 25 cm³/10 min at 360°C, 5.0 kg and 13 cm³/10 min at 340°C, 5.0 kg. Typical values; confirm on the current producer data sheet.

What is the heat deflection temperature of ULTEM 1010?

201°C at 1.82 MPa and 210°C at 0.45 MPa (ASTM D648, 6.4 mm, unannealed). On 3.2 mm bars SABIC lists 190°C at 1.82 MPa, and 192°C by ISO 75/Af. The glass transition temperature is 217°C. Typical values; confirm on the current producer data sheet.

Is ULTEM 1010 food contact compliant?

The ULTEM 1010 data sheet does not make a food-contact statement. SABIC offers a separate grade, ULTEM 1010F, for food-contact applications. Compliance depends on grade, color, jurisdiction and end use, so ask for SABIC’s current food-contact declaration for the exact grade and color before you order.

What is equivalent to ULTEM 1010?

The closest option is SABIC’s ULTEM 1000, the same polymer at about half the melt flow. RTP 2100 is unfilled PEI from a compounder; ask for its data sheet. Victrex PEEK 450G is a different polymer that sometimes replaces PEI after redesign. None is identical; compare data sheets, run a trial and get approval if your part names ULTEM 1010.

Can ResinBridge supply ULTEM 1010?

We quote ULTEM 1010 when our supply partners can source it. If they cannot, we say so up front and quote a matched alternative, named on the quote with its data sheet, so you can decide whether to trial it.

If your grade is not listed, tell us what you run. We source commodity, engineering and specialty resins.

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