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Materials, Composite Tooling, Engineering, FGF 3D Printing Materials, Jigs&Fixtures, LFAM 3D Printing Materials, Manufacturing, Plastic Pellets 3D Printing Materials · FFF, LFAM

Caracol PA6 Nylon Pellets – Structural GF Feedstock for Large-Format 3D Printing

Structural PA6 nylon pellets qualified for large-format additive manufacturing (LFAM) — high strength, wear resistance, and glass-fiber grades for load-bearing tooling at pellet cost.

  • ✓ High strength and wear resistance — glass-fiber grades for structural loads
  • ✓ Ships dry with a lot datasheet + a strict drying and extrusion schedule
  • ✓ Lead time: 1–2 business days from L.A. stock — volume & PO on request
Prices follow supplier cost and stock availability and are updated regularly. The price you see is today's price — once you order, it's held for 7 days.
NDA standard Ships in 1–2 business days
Structural high strength & wear
1–2 days from L.A. stock
GF grade 30% glass-fiber
Lot datasheet in every order
What your process engineer actually checks

What your process engineer actually checks

Structural strength you can build big with

PA6 is the load-bearing pellet of the family: high strength and stiffness, wear and abrasion resistance, and 30% glass-fiber grades that push modulus and heat deflection higher for structural tooling. Because nylon is strongly hygroscopic, every lot ships dry with a strict drying schedule and extrusion parameters, so big parts come out sound and reorders behave the same.

A materials engineer on the line

Questions on drying schedules, warpage, recyclate ratios, or glass-fiber content? A materials engineer answers directly — not a contact-form bot. Most replies in under 4 hours, NDA standard.

High (GF option)
Strength
250–280 °C
Extrusion temp
~1.13 g/cm³
Density
30% GF option
Reinforcement
About this product

Caracol PA6 is a polyamide 6 (nylon) pellet feedstock qualified for Caracol large-format additive manufacturing (LFAM) extruders. It is the structural choice of the pellet family — high strength and stiffness, excellent wear and abrasion resistance, and strong chemical and fuel resistance — and it is available unreinforced or glass-fiber reinforced for load-bearing tooling and fixtures. PA6 is strongly hygroscopic, so every lot ships dry with a strict re-dry schedule to keep big parts sound.

Why engineers choose Caracol PA6

Four things production teams verify before running PA6 on a large-format system.

High strength & stiffness

PA6 is the structural pellet of the family. GF grades push modulus and load capacity higher, so large jigs and fixtures carry real loads without flexing.

Wear & abrasion resistance

A tough, self-lubricating surface resists wear, so gears, guides, and high-cycle fixtures last where softer polymers gall or erode.

Chemical & fuel resistance

PA6 resists oils, fuels, and many solvents — a fit for under-hood-adjacent tooling and industrial fixtures exposed to shop fluids.

Glass-fiber option

GF-reinforced PA6 raises stiffness and heat deflection and cuts warpage on large flat sections — the default for structural tooling and molds.

How Additive Plus delivers it

Every order ships production-ready — qualified feedstock, parameters, and a datasheet.

Step 01
Source & qualify

Polyamide 6 (PA6 nylon) sourced and qualified against Caracol's extrusion testing so the pellet runs on LFAM systems without a re-development cycle.

Step 02
Dry & screen

Nylon is strongly hygroscopic. We ship it dry and specify an 80 °C re-dry so moisture doesn't surface as bubbling, stringing, or weak layers on large parts.

Step 03
Verify & document

Each lot ships with a datasheet and recommended drying and extrusion parameters, so you reorder the same behavior — not a new qualification.

Material overview

PA6 (nylon 6) is a high-performance engineering thermoplastic prized for mechanical strength, toughness, and wear and chemical resistance. Glass-fiber grades (typically 30% GF) push stiffness and heat deflection higher still, which makes large-format PA6 the material for structural jigs, load-bearing fixtures, and wear parts. Its one demand is discipline on moisture: nylon absorbs water readily, so drying is not optional — and it is exactly what we ship parameters for.

Technical specifications

Representative PA6 properties; unreinforced unless noted. Lot-specific values are on the datasheet shipped with every order; glass-fiber grades differ. Confirm exact figures with a materials engineer for design-critical work.

Property Typical value
Polymer Polyamide 6 (PA6 nylon)
Form Pellets (granulate) for LFAM/FGF extruders
Density ~1.13 g/cm³ (GF grades higher)
Tensile strength 45–80 MPa (GF higher)
Tensile modulus 2,000–3,000 MPa; ~5,000–8,000 MPa (30% GF)
Elongation at break 20–50% (unfilled)
Heat deflection (HDT, 0.45 MPa) ~150–190 °C (GF grades higher)
Extrusion temperature 250–280 °C
Recommended drying 80 °C for 4–6 h+ (critical)
Reinforcement Unreinforced or 30% glass-fiber (GF) on request

Typical applications

Where large-format PA6 earns its place.

Structural tooling
Load-bearing jigs, fixtures, and end-of-arm tooling
Wear parts
Gears, guides, bushings, and high-cycle components
Molds & patterns
Stiff GF masters and layup tooling
Automotive fixtures
Assembly and trim fixtures near fluids and heat
Brackets & mounts
Structural mounts that must not flex
Industrial handling
Fixtures exposed to oils, fuels, and solvents

Not sure PA6 is the right pellet?

Same large-format pellet family — pick the property that matters most.

Tell us the load, temperature, and whether you need a glass-fiber grade — a materials engineer will confirm PA6 vs. an alternative, recommend unreinforced or GF, and send the drying and extrusion parameters that keep nylon sound on big parts. Most replies in under 4 hours, NDA standard.

Why source PA6 through Additive Plus

  • Qualified feedstock, not a generic bag of pellets — sourced and qualified against Caracol LFAM extrusion, shipped dry with a datasheet and a strict re-dry schedule.
  • Structural GF grades on request — 30% glass-fiber PA6 for stiffness and heat, qualified before you commit.
  • Reorder the same behavior — lot-to-lot consistency so a dialed-in structural line stays dialed in.
  • A materials engineer on the line — drying discipline, warpage, fiber content, and load questions answered directly. Under 4h reply, NDA standard.
Brand Caracol
Technology FFF, LFAM
Printing Materials Plastic Pellets
Material PA (Nylon)
Reinforcement Glass fiber
Application Composite Tooling, Engineering, Jigs & Fixtures, Manufacturing

Product videos

Need a custom grade or color?

We qualify glass-fiber, recycled-content, and compounded PA6 pellets against your LFAM extruder before you commit — 2–4 week custom batches.

Common questions

Don't see yours? Email [email protected] — NDA standard, typical reply within 4 hours.

Is Caracol PA6 a filament or a pellet material?
Caracol PA6 is a pellet (granulate) feedstock for large-format additive manufacturing (LFAM/FGF) extruders, not a filament. Pellets are the same feedstock form used in injection molding, so material cost per kilogram is far lower than spooled nylon filament — the main reason teams move structural tooling to pellet extrusion. Each order of Caracol PA6 ships dry with a lot datasheet and recommended drying and extrusion parameters.
Is a glass-fiber PA6 available, and when should I use it?
Yes. Caracol PA6 is available unreinforced or as a 30% glass-fiber (GF) grade. Use GF when the part is structural — load-bearing jigs, brackets, and molds — because it raises stiffness and heat deflection and cuts warpage on large flat sections. The trade-off is a rougher surface and more abrasive nozzle wear. A materials engineer will recommend unreinforced or GF for your load and geometry.
How important is drying for Caracol PA6?
Critical. Nylon is strongly hygroscopic and absorbs water quickly, which causes bubbling, stringing, and weak layers on large parts if printed wet. Caracol PA6 ships dry, and we specify re-drying at about 80 °C for 4–6 hours or more before printing, with sealed handling. The exact schedule ships on every lot datasheet, and a materials engineer can adapt it to your dryer and humidity.
How strong is large-format PA6 compared to ABS or PC?
PA6 is the structural leader of the pellet family: unreinforced it typically reaches 45–80 MPa tensile with high toughness and wear resistance, and 30% GF grades push modulus to roughly 5,000–8,000 MPa with much higher heat deflection. That is well above ABS and, in GF form, stiffer than PC. For load-bearing tooling and wear parts, PA6 — especially GF — is usually the right pellet.
Which systems is Caracol PA6 qualified for?
Caracol PA6 is sourced and qualified for Caracol large-format additive manufacturing extruders, so it runs without a fresh process-development cycle. If you run a different pellet extrusion system, contact a materials engineer — we will confirm compatibility and share a suitable starting parameter set for your machine and nozzle size, including GF handling.
What extrusion temperature does PA6 run at?
Caracol PA6 typically extrudes in the 250–280 °C range, hotter than ABS or PET-G, with a heated, draft-free environment recommended to control warpage on large parts. Because extruders and nozzle sizes vary — and GF grades run differently — the recommended temperature, flow, and cooling settings ship on the lot datasheet, and a materials engineer can tune them for your system.
Can I order a sample before committing to a full order?
Yes. We can supply a sample of Caracol PA6, unreinforced or GF, or run a paid benchmark part, before you commit to a production quantity — paired with a capability call with a materials engineer to confirm the grade, drying discipline, and extrusion parameters for your structural application. Ordering in bulk or need an official PO? We handle volume pricing and purchase orders directly.

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