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PERMABOND 3D90

PERMABOND 3D90

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Permabond 3D90 — Alkoxyethyl cyanoacrylate infiltrant (~4 mPa·s) for SLS and binder jet 3D printed parts. Reinforces and smooths.

Cyanoacrylate infiltrant for 3D printed parts — strengthens, fills pores and produces a smooth, glossy surface in SLS and binder jet prints.

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  • Viscosity (adhesives)
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  • Hardness (Shore D)
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Cyanoacrylate solvent-free PERMABOND 3D printing matte surface prototypes low bloom

 
General Terms and Conditions.

Shipping usually within 1 to 3 business days
(availability will be confirmed after ordering)

. Express logistics. Fast and reliable within Switzerland & Europe.

Shipping from Swiss warehouse within 24 hours. Batch certificate. Invoice within 30 days (B2B). Technical support.
Shipping & Delivery

Usually 1 to 3 working days

Availability will be confirmed after order receipt.

Express logistics within Switzerland & Europe.

General Terms and Conditions →

Product data

Internal reference: 49-3D90

HS code: 35069190

Internal reference: 49-3D90
HS code: 35069190

PERMABOND 3D90
PERMABOND 3D90
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-3D90

Permabond 3D90 is a specialized cyanoacrylate infiltrant for 3D printed parts — designed to reinforce, smooth and provide high final strength to powder- or granule-based printed parts.

Unlike conventional superglues, Permabond 3D90 is formulated on an alkoxyethyl cyanoacrylate basis : ultra-low viscosity for maximum penetration into porous 3D printed parts, delayed curing for deep wicking even into bulky components and particularly low odor and bloom formation — pleasant in daily workshop use.

The result: 3D-printed parts with significantly higher mechanical strength, filled pores and a smooth, glossy surface — either through local brushing/drip application or by complete immersion in a dip bath.

Special feature

Delayed curing with ultra-low viscosity — combines maximum capillary penetration into 3D printed parts with the time the adhesive needs to penetrate even deep pores and cavities before curing.

Permabond 3D90 in numbers
~4
mPa·s viscosity
3D
Print Infiltrant
Low
Bloom + Scent
Dip
Bath / Spot

What makes Permabond 3D90 stand out

Maximum penetration depth in 3D printed parts
Ultra-low viscosity + delayed curing = adhesive penetrates deep into pores, cavities and granular 3D printed structures.
Significantly strengthens printed parts
Increases mechanical strength, stiffness and durability of SLS, binder jet and similar powder-based 3D printed parts.
Alkoxyethyl cyanoacrylate — low odor
Special formulation with reduced odor — more pleasant in workshop environments than classic ethyl cyanoacrylates.
Minimal blooming, smooth surface
Clear, almost bloom-free curing — the infiltrated component acquires a smooth, glossy appearance.
Spot or immersion bath
Flexible application: apply locally in spots or immerse completely for even penetration of the component.
Tack-free, transparent
After the cure, the components are tack-free — they can be further processed, painted, or used directly.

What is Permabond 3D90 used for?

SLS printed parts (Selective Laser Sintering)
Reinforcement of powder-based 3D printed parts made of polyamide (PA12 etc.) for functional parts with higher load-bearing capacity.
Binder jet prints
Infiltration of binder jet parts — the granular structure is bonded, significantly increasing the final strength.
Prototype reinforcement
3D prototypes that need to be stressed — with 3D90, the fragile printed part becomes a more robust functional model.
Surface smoothing
Fills pores and small imperfections — resulting in a smoother, glossier surface, ideal for subsequent processing such as painting.
Model making and handicrafts
Also suitable for classic porous substrates (wood, cardboard, plaster) — reinforced and sealed with minimal optical change.

processing

1
Dusting a 3D printed part
Thoroughly remove residual powder from 3D printing with compressed air or a brush — clean surfaces improve the penetration of the infiltrant.
2
Select application method
Spot application (brush, drop, syringe) for local reinforcement — or complete immersion (dip bath) for uniform penetration of the component.
3
Apply Permabond 3D90
Apply evenly or dip into the skin. The ultra-low viscosity penetrates through capillary action, while the delayed cure allows time for deeper penetration.
4
Drain excess liquid
When using an immersion bath, suspend the component and allow excess material to drip off before curing begins.
5
Wait for it to harden
The infiltrant hardens through exposure to humidity. After the tack-free point, the component can be further processed (sanded, painted, assembled).
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

Permabond Cleaner A Aerosol
Spray cleaner for cleaning 3D printing systems or tools before and after infiltration.
View product →

Important instructions

Instructions for use
Permabond 3D90 is primarily designed for porous, granular 3D printed parts. It is not suitable for solid, closed printed parts (e.g., SLA resin) – a classic cyanoacrylate adhesive like Permabond 101 would be a better choice in those cases.
storage
Store refrigerated at 2 to 7 °C. Allow to warm to room temperature before opening — this prevents condensation and protects the shelf life.
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Cyanoacrylate solvent-free PERMABOND 3D printing matte surface prototypes low bloom

Technical specifications for PERMABOND 3D90

All 14 product information 5 Physical properties 5 Curing values ​​1 Mechanical properties 1 Thermal properties 2
Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 500 ml, 2 l
Country of origin Italy
Tensile strength 15 N/mm2
Physical properties
Specific gravity 1.05
Color colorless
Chemical group Alkoxyethyl cyanoacrylate
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa·s 4
Curing values
Final strength 24 hours
Mechanical properties
Hardness (Shore D) 85
Thermal properties
Operating temperature (°C) -55 to +82
Storage temperature (°C) 2-7

For binding values, please refer to the technical data sheet (TDS) in the "Documents" tab.

Documents and datasheets

Click on a document for a preview or the download icon for a direct download.

Technical Data Sheets (TDS) 2
Permabond 3D90 - Technical Data Sheet EN.pdf
395 KB
Permabond 3D90 - Technical Data Sheet EN.pdf
162 KB
Safety Data Sheets (SDS) 3
Permabond 3D90 - Safety Data Sheet DE.pdf
275 KB
Permabond 3D90 - Safety Data Sheet EN.pdf
253 KB
Permabond 3D90 - Fiche de Sécurité FR.pdf
256 KB

Frequently asked questions about Permabond 3D90

Practical application and design questions — answered by SILITECH.

Permabond 3D90 is a specialized cyanoacrylate infiltrant for 3D-printed parts, especially those produced using SLS (Selective Laser Sintering) and binder jet printing. With its ultra-low viscosity (~4 mPa·s), delayed curing, and alkoxyethyl cyanoacrylate chemistry, the infiltrant penetrates deep into porous structures, mechanically reinforcing the component, filling pores, and resulting in a smooth, glossy surface.

Powder- or granule-based 3D printing processes (SLS, binder jetting, etc.) produce components with a porous internal structure—the printed particles are not 100% compacted, leaving small voids. An infiltrant is a low-viscosity, capillary-active resin that penetrates these pores and fills them after curing. The result: significantly improved mechanical strength, a smooth surface, and a longer component lifespan.

Alkoxyethyl cyanoacrylates are a special class within cyanoacrylate chemistry—unlike the more common ethyl or methyl cyanoacrylates. Their main advantages are a significantly reduced pungent odor and reduced bloom formation (the typical white haze around adhesive seams). This makes alkoxyethyl CAs particularly pleasant for workshop use and ideal for applications where appearance is important—such as Permabond 3D90 for 3D printing infiltration.

Permabond 3D90 is optimized for porous, granular printing processes: SLS (Selective Laser Sintering, e.g., PA12/polyamide powder), multi-jet fusion, binder jetting (sand, metal, or ceramic powder with binder), and powder-based polymer prints. For solid, closed printing processes such as SLA (stereolithography), DLP, or FDM, 3D90 is not the right product—these components do not have an open pore structure into which the infiltrant could penetrate.

For small components or local reinforcements (functional areas, corners, bearing surfaces), spot application with a brush, dropper bottle, or syringe is sufficient. For uniform penetration of the entire component—e.g., with thin-walled or complex geometries—the immersion method superior: completely immerse the component, remove it, and allow it to drip dry. This results in homogeneous reinforcement across the entire volume.

Permabond 3D90 should be stored unopened in a refrigerated location between 2 and 7 °C. Allow to warm to room temperature before opening to prevent condensation. Opened bottles or dip baths may lose reactivity over time. For frequent use, we recommend: regularly renewing dip baths, tightly closing bottles after use, and protecting from light.

Permabond 3D90 is highly specialized for 3D printing infiltration. For more conventional bonding applications, there are more suitable Permabond CAs: Microgap/Wicking → Permabond 101.General Purpose → Permabond 102.High-Purity Rubber Bonding → Permabond 105.Highest Steel Strength → Permabond 910.Impact Bonding → 2050 or 240.Vertical/Drinking Water → 2010.NSF/Food Condition → 2011 Gel. UV+Medical → 130UV.

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Product specifications

Product information
Container 500 ml or 2 l
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Country of origin Italy
Tensile strength 15 N/mm2
Physical properties
Specific gravity 1.05
Color colorless
Chemical group Alkoxyethyl cyanoacrylate
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa·s 4
Curing values
Final strength 24 hours
Mechanical properties
Hardness (Shore D) 85
Thermal properties
Operating temperature (°C) -55 to +82
Storage temperature (°C) 2-7
Keywords
Keywords
Cyanoacrylate solvent-free PERMABOND 3D printing matte surface prototypes low bloom

Documents and datasheets

Safety Data Sheets (SDS) and Technical Data Sheets (TDS) are available for download: