UL 1659 PTFE/TFE Wire for Saudi Arabia B2B Sourcing
UL AWM Style 1659 is a single conductor with extruded insulation, rated 250°C and 600 Vac with Horizontal Flame. The conductor range is 26 AWG through 4/0 AWG, solid or stranded round, and the insulation is PTFE / TFE.
This page supports Saudi Arabian B2B sourcing of that Style: industrial buyers, OEM procurement teams, component distributors, and technical RFQs built on an approved drawing or bill of materials. Wholesale here means B2B quantity purchasing — distributor procurement, project or production buying — rather than a published price schedule.
The official Use is internal wiring. Saudi Arabia is the commercial sourcing market and does not modify that Use.
What makes Style 1659 demanding to specify is not the headline ratings but the number of construction fields left open. Insulation thickness varies by conductor-size group, and four separate items are optional. Each has to be answered in the enquiry.
Verified UL Style 1659 Specification
| Parameter | Style-level information |
|---|---|
| UL AWM Style | 1659 |
| Product description | Single conductor with extruded insulation |
| Temperature rating | 250°C |
| Voltage rating | 600 Vac |
| Flame | Horizontal Flame |
| Optional rating | Oil Res 80°C |
| Optional rating | Gasoline Resist |
| Style conductor range | 26 AWG–4/0 AWG |
| Conductor form | Solid or Stranded Round |
| Insulation | PTFE / TFE |
| 26–10 AWG insulation | 20 mil minimum average / 18 mil minimum at any point |
| 8–2 AWG insulation | 30 mil minimum average / 27 mil minimum at any point |
| 1–4/0 AWG insulation | 45 mil minimum average / 40 mil minimum at any point |
| Optional covering | Mica tape wrap |
| Optional braid | Treated glass braid |
| Marking | General |
| Official Use | Internal wiring |
Seven clarifications belong with that table. Oil resistance is optional. Gasoline resistance is optional. The mica tape wrap is optional. The treated glass braid is optional. 26 AWG–4/0 AWG is the Style range and does not prove inventory. 9 AWG has no insulation-thickness row in the supplied Product iQ table. And conductor material and plating are not universally specified at Style level.
Four Optional Items, Each Confirmed Separately
This is the part of a Style 1659 enquiry that most often goes unanswered, so it is worth taking one at a time.
Oil Res 80°C. An oil resistance rating at 80°C is an optional Style feature and must be confirmed for the ordered construction. Style 1659 is not described here as oil resistant as a general property, and the optional rating is at 80°C — it is not read as oil resistance at 250°C.
Gasoline Resist. Also optional, and also confirmed per construction. It is not expanded here into resistance to all hydrocarbons, all solvents or all petroleum chemicals.
Mica tape wrap. An optional covering, not part of every Style 1659 construction. No claim is made that mica increases the temperature rating, provides flame survival, makes the wire fireproof or improves dielectric strength.
Treated glass braid. An optional braid, likewise not present by default. No braid thickness, coverage, treatment chemistry or quantified abrasion or thermal performance is stated, because the Style record establishes none.
These four are independent of one another. They are not combined here into a single “standard UL1659 construction,” and specifying Style 1659 does not automatically provide any of them — let alone all four. Where a buyer requires one or more, each belongs in the RFQ as its own line.
Three Insulation Groups, and the 9 AWG Gap
The insulation requirement more than doubles across the Style: 20 mils minimum average at the fine end, 30 mils in the middle group, 45 mils at the top. Each group also states a second figure — the minimum at any point — which is a separate requirement rather than a tolerance on the first.
Neither figure is a nominal value. A compliant construction satisfies both minimums without producing one fixed dimension.
The groups run 26–10 AWG, then 8–2 AWG, then 1–4/0 AWG. Nine AWG appears in none of them. That gap is not closed here by widening the first group to 26–9 AWG, by folding 9 AWG into 8–2 AWG, or by inferring a wall from either neighbour.
Where a Saudi buyer requests 9 AWG, the applicable qualified construction must be confirmed before any insulation-wall value can be published. That is a real answer rather than an evasion — the supplied Product iQ table does not contain the row.
250°C and 600 Vac
The verified temperature rating is 250°C. It is stated here without a continuity qualifier — not 250°C continuous service, not continuous-duty, not continuous service to 250°C — because the Style record states 250°C and nothing further.
No 260°C practical maximum is published either, and no lower temperature limit is invented. Neither figure is established by the supplied Style data.
The verified voltage rating is 600 Vac, used with the AC designation in technical sections and not converted into 600 Vdc, 600V AC/DC, 750 Vdc or 1000V.
PTFE / TFE, and What the Material Name Does Not Establish
The verified insulation designation is PTFE, TFE, and the technical specification keeps both. The commercial description may say PTFE wire, since that is how it is searched for, but the Style-level reference to TFE is not erased, and Style 1659 is not described as PFA, FEP or ETFE wire.
What the material name does not do is supply product performance. PTFE has a general material reputation, and that reputation is not a substitute for Style-specific verified data.
Accordingly, no universal chemical-resistance claim appears on this page, and no compatibility is promised with acids, alkalis, solvents, hydrocarbons or named process chemicals. The only chemical-related information the Style provides is the two optional ratings above, and those are not converted into general chemical resistance.
No surface finish is published either — the Style defines no mandatory surface characteristic — and no non-stick property, low-friction behaviour or easier-routing benefit is claimed.
Conductor Material and Stranding Are RFQ Fields
The Style establishes 26 AWG through 4/0 AWG, solid or stranded round. It establishes nothing else about the conductor.
Copper, bare copper, tinned copper, silver-plated copper and nickel-plated copper are none of them universally defined by Style 1659, and no strand count, strand diameter, lay length or conductor resistance is stated here. Tinned, silver and nickel plating are not presented as universal Style options for buyers to choose between.
Where conductor material or plating matters, it is requested in the RFQ and verified against the applicable qualified construction. The conductor form is likewise stated as solid or stranded round rather than simplified to stranded, and the Style is not characterised as fine-stranded, high-flex, extra-flexible or to any strand class.
Internal Wiring Is the Use
The official Use is internal wiring, and that wording is used exactly.
It is not expanded here into building wiring, field wiring, field instrument leads, conduit wiring, tray wiring, branch circuits, external process wiring, facility wiring, portable cable or offshore field cable.
Acceptable commercial context is narrower: internal wiring inside analytical, control or measurement equipment; internal OEM wiring based on a buyer drawing; and high-temperature internal lead requirements where the approved specification calls for Style 1659. Particular instrument types may appear in a buyer’s enquiry as examples of where their drawing specifies the Style — not as equipment that universally requires it.
Style Range Is Not Inventory
26 AWG through 4/0 AWG is the verified Style construction scope.
It does not indicate that every size is in stock, held as standard inventory, routinely manufactured, or available with every optional construction. Availability of a requested size, conductor construction, colour and optional-feature combination is confirmed at quotation stage.
Saudi Arabia Sourcing
This page addresses Saudi industrial buyers sourcing Style 1659, Saudi OEM procurement, component distributors and technical RFQs based on an approved drawing or bill of materials.
No Saudi technical approval, national standards approval, named end-user usage, project qualification or sector-specific mandatory use is claimed. Regional market context does not establish customer usage, and it does not make one AWM Style technically required.
What the destination affects is the commercial side of the enquiry: the quantity, the packaging, the destination city or port, the Incoterm and the documentation the buyer needs.
Commercial Terms and Documentation
No minimum order quantity, bulk-quantity price threshold, sample quantity, stock position, lead time, transit time, production capacity, quotation response time, fixed Incoterm or fixed port is published here. No manufacturing-process controls are promised.
Required documentation should be listed in the RFQ and confirmed for the ordered construction and shipment rather than assumed to accompany every order. Applicable RoHS / REACH documentation can be confirmed according to the ordered construction.
Colour is treated the same way: no universal colour list is published, and the required colour is an RFQ field confirmed for the ordered construction.
No Ampacity, Resistance or Finished OD
No universal current rating is published. Style 1659 provides no ampacity table, and no current is derived from AWG, from the 250°C rating, from the 600 Vac rating or from the insulation material.
No universal conductor resistance is published, because the Style establishes no universal conductor material or detailed strand construction, and no value is calculated from AWG alone.
No universal finished outside diameter is published, and none is calculated from AWG plus a minimum wall. Actual OD depends on the conductor construction, the actual conductor diameter, the PTFE/TFE extrusion, whether the optional mica tape is present, whether the optional treated glass braid is present, and manufacturing tolerance. With two independent optional outer items available, the spread between constructions carrying the same Style number and size can be considerable.
Where dimensions matter, request the maximum finished OD, the OD tolerance, the routing clearance and the terminal interface. No minimum bend radius, flex-cycle figure or dynamic-flex suitability is published.
Horizontal Flame
The verified Style flame designation is Horizontal Flame. VW-1, FT1, vertical flame, flameproof and fire-resistant characterisations are not claimed here, and any additional flame requirement depends on separate confirmation for the ordered construction.
Bulk Wire and Processed Leads
This page primarily represents UL AWM Style 1659 single-conductor wire.
Nothing here implies that supply automatically includes cutting, stripping, crimping, terminals, connectors or finished harnesses. Processed-wire requirements are separately specified and confirmed.
What Style 1659 Does and Does Not Define
The Style does define: 250°C; 600 Vac; Horizontal Flame; optional Oil Res 80°C; optional Gasoline Resist; 26 AWG–4/0 AWG; solid or stranded round; PTFE / TFE; size-dependent insulation walls; an optional mica tape wrap; an optional treated glass braid; marking General; and the Use, internal wiring.
The Style does not define:
- Conductor material, conductor plating, strand count, strand diameter and lay length
- Conductor resistance
- Finished OD and OD tolerance
- Ampacity and current rating
- Chemical compatibility with all substances
- A minimum operating temperature or a 260°C practical maximum
- Surface finish
- Bend radius and flex-cycle life
- Colour
- MOQ, stock, lead time, production capacity and shipping term
Each requires the customer specification, verified SKU documentation, the applicable qualified construction, or commercial confirmation.
Common Procurement Errors
- Calling 250°C “250°C continuous service”.
- Publishing a 260°C practical maximum. No such figure is established.
- Assuming all Style 1659 constructions are copper.
- Treating tinned, silver or nickel plating as universal Style options.
- Publishing one insulation thickness for every AWG. Three groups apply.
- Omitting the 1–4/0 AWG 45/40 mil group.
- Assigning 9 AWG to an unsupported thickness group.
- Treating optional Oil Res 80°C as universal.
- Treating optional Gasoline Resist as universal.
- Treating the mica tape wrap as mandatory.
- Treating the treated glass braid as mandatory.
- Claiming universal chemical resistance from the material name.
- Claiming VW-1 when only Horizontal Flame is verified.
- Using internal wiring as permission for field instrument leads or conduit wiring.
- Assuming 26 AWG–4/0 AWG means every size is stocked.
Saudi Arabia RFQ Checklist
- UL AWM Style 1659 requirement
- Required conductor size within the applicable Style scope
- Special attention if 9 AWG is requested
- Solid or stranded round requirement
- Required conductor material
- Required plating or finish
- Detailed stranding, if controlled
- 250°C Style requirement
- 600 Vac requirement
- Whether Oil Res 80°C is required
- Whether Gasoline Resist is required
- Whether the optional mica tape wrap is required
- Whether the optional treated glass braid is required
- Exact internal-wiring application
- Customer drawing
- Existing wire specification or bill of materials
- Maximum finished OD, if controlled
- OD tolerance
- Colour
- Bulk wire or processed lead requirement
- Quantity
- Packaging
- Saudi Arabia destination
- Destination city or port
- Requested Incoterm
- Required compliance or shipment documentation
None of these values is invented here, and no requested configuration is presented as automatically available.
UL Marking and Documentation
Material is supplied as UL-recognized component wire where supplied under qualified manufacturing scope, and UL marking is applied according to the confirmed ordered construction. The Style-level marking designation is General.
CSA AWM, FT1, VW-1 and dual UL / CSA certification are not claimed here; any additional certification depends on the ordered construction. Applicable RoHS / REACH documentation can be confirmed according to the ordered construction.
