Material focus
Glass filled nylon selection, applications, and sibling resin routing on this page.
Glass filled nylon
Glass filled nylon Injection Molding: Properties, Applications and Design Guide
Glass fiber reinforced nylon boosts stiffness, heat resistance, and creep performance compared with unfilled PA6 or PA66.
Glass filled nylon
When to specify Glass filled nylon
How procurement and design teams use Glass filled nylon on injection molded programs.
Glass fiber reinforced nylon boosts stiffness, heat resistance, and creep performance compared with unfilled PA6 or PA66. Tradeoffs include anisotropic shrink, possible fiber show on cosmetic surfaces, and higher mold wear on polished cavities. Buyers should specify fiber loading (for example GF30) and whether warp-critical dimensions need mold flow review. At NetProto, programs run from first-article validation through production on one hardened steel tool with no minimum order quantity. Upload CAD on the instant quote platform for DFM feedback before tooling release. For glass-filled polyester connectors and bobbins, see Glass filled PBT . For long-fiber structural brackets and panels, see Long fiber thermoplastic .
Key traits
Why buyers specify Glass filled nylon
Engineering and sourcing highlights. No NetProto processing numbers on this page.
Sourcing
Grade and compliance context travels with CAD on the instant quote platform.
Program fit
First articles through production on one steel tool, no MOQ.
NetProto platform
Instant CAD quoting and DFM feedback before tooling release.
Tooling lead time
Hardened steel tool build in about 10 business days on qualified programs (part complexity dependent).
Applications
Where this resin shows up on BOMs
Typical molded parts and what to specify on the purchase order.
| Application | Why this resin | Specify on the PO |
|---|---|---|
| Structural brackets | Metal replacement with lighter weight | PA6 or PA66, GF%, color |
| Automotive engine bay components | Heat and modulus | Heat and chemical exposure notes |
| Industrial housings with ribs | Stiffness without thick walls | Cosmetic vs structural faces marked on drawing |
| Power tool housings | Stiffness for the housing. Confirm impact and flammability on the supplier TDS. | PA6 or PA66, glass percent, and the flammability callout on the datasheet. |
RFQ
Ready to quote? Have this information ready
Prepare these details, then upload CAD on the instant quote platform.
Write GF percent, not only glass filled nylon.
Mark cosmetic surfaces that cannot show fiber.
Link to warp-sensitive dimensions for DFM.
Expected annual volume (helps cavity and tool planning)
Optional: target piece-price band for sourcing discussions
Next step
Upload CAD for an instant quote
Grade not finalized? Note Glass filled nylon on the RFQ and attach environment notes.
Compare and explore
Related guides
Pairwise comparisons and sibling material pages.
Materials library
Browse all resin guides.
Materials library
GF vs unfilled
When fill is worth it.
GF vs unfilled
Nylon 66
Base resin for many GF grades.
Nylon 66
Reading a material datasheet
What the TDS values mean for a molded part.
Reading a material datasheet
Nylon 6
Nylon 6 for unfilled structural parts.
Nylon 6FAQ
Glass filled nylon injection molding FAQ
Does glass fill always improve impact?
No. It raises stiffness but can reduce unfilled impact energy.
Will glass filled nylon scratch polished molds?
Abrasive fillers increase maintenance; specify SPI finish accordingly.
10% vs 30% glass?
Higher loadings increase stiffness and warp risk; pick based on structural need.
What is the minimum order quantity for molded parts at NetProto?
NetProto has no minimum order quantity on molded parts from your production tool. Upload CAD on the instant quote platform to scope tooling and part pricing for your volume.
How do I quote this resin without a final grade selected?
List the resin family on the RFQ, attach environment and compliance notes, and upload CAD. At NetProto, engineers use DFM review to narrow grades before tooling release.
Next step
Quote Glass filled nylon parts with your CAD
Upload geometry and list Glass filled nylon or the target grade on the instant quote platform.