Super Glue GomaGom 7 20g | Cyanoacrylate for 3D Printing

GomaGom Super Adhesive 7 is the general-purpose cyanoacrylate for 3D printing workshops and everyday repairs: 20 g of clear adhesive in a bottle with a standard conical tip, designed for regular workshop use — assembling large printed parts, quick repairs, household fixes, and anything that doesn't require the precision of a brush applicator. Twice the amount of the small format, with the standard applicator you're used to from any superglue bottle. Bonds virtually any material: PLA and UV resin printed parts, rigid plastics, ceramics, rubber, porcelain, hardwood, marble, metal, mother-of-pearl, ivory, and glass. If you need precision work on miniatures or parts with very fine details, you'll be better served by the GomaGom Super Adhesive 9 with integrated brush applicator.

The go-to cyanoacrylate for your workshop drawer

Every 3D printing workshop needs a general-purpose cyanoacrylate within reach. Multi-part printed assemblies, broken part repairs, large-piece joins, and quick fixes are everyday scenarios that consume adhesive on a regular basis. For those use cases, what you need is quantity and immediate availability — not extreme precision. GomaGom 7 fills that role: 20 g of adhesive in a standard conical-tip bottle, the most cost-efficient format per gram.

The conical tip applies a controlled drop (not like a brush, but precise enough for the bulk of the work) and lets you apply both single dots and short beads across wider surfaces. For large parts printed in resin or PLA, where the contact area is generous, it's exactly what's needed.

Typical use cases in 3D printing

GomaGom 7 covers the scenarios where quantity and flow matter more than extreme precision:

Assembling large multi-part printed pieces. Both in FDM (PLA, PETG, ABS) and UV resin, large parts are typically printed in sections to optimize orientation and reduce print times. For those wide-surface joins, the conical tip lays down a quick bead without needing to go drop by drop.

Repairing broken printed parts. Breaks that don't require filling volume (cyanoacrylate bonds — it doesn't fill). For clean fractures in functional, decorative, or scale modeling parts, GomaGom 7 is the fast solution.

Bonding diorama elements and scale models. For securing printed parts to scratch-built bases (alongside scale modeling accessories from brands like Revell/Tamiya), the 20 g format goes a long way on projects with many joins.

Household use and quick repairs. When a mug handle breaks, a ceramic piece comes unglued, or you need to bond any two plastic or metal elements. This is the superglue for the kitchen drawer, not just the workshop.

When to choose GomaGom 7 vs GomaGom 9

We carry two cyanoacrylates from the GomaGom family, formulated for different but complementary use cases:

• GomaGom 7 (this one, 20 g, conical tip): general-purpose use. Assembling large printed parts, workshop repairs, household fixes. Twice the quantity for everyday consumption.
• GomaGom 9 (10 g, brush applicator): precision work. Wargaming miniatures, fine-detail assemblies, small printed parts, photo-etched pieces. Where applying a controlled drop matters more than quantity.

For a 3D printing workshop with several projects on the go, the most practical approach is to keep both on hand: the 7 in the general drawer for everyday use, the 9 for detail work that requires controlled application. No serious modeler or maker relies on just one.

How to use it

The manufacturer's official procedure, as stated on the label:

1. Clean, dry surfaces. Both parts to be bonded must be free of dust, grease, and print support residue. A quick wipe with isopropyl alcohol before bonding significantly improves adhesion, especially on UV resin printed parts.

2. Apply a small amount — one drop is enough. The manufacturer explicitly states: using too much reduces bonding effectiveness and speed. With cyanoacrylate, less is more. A thin layer cures better and creates a stronger bond than a thick one.

3. Join the parts while avoiding finger contact. Cyanoacrylate bonds skin to skin within seconds.

4. Press for 15–30 seconds. This is the time needed for initial setting. Hold the pieces in position without moving them during this time.

5. Maximum strength reached in around 12 hours. For bonds that will be subject to handling or load, it's best to wait until the next day.

Store in a cool, dry place away from light. If your fingers get stuck together, reach for GomaGom 21 Adhesive Remover — that's exactly what it's for.

Compatibility with 3D Printing Materials

• Cured UV Resin — excellent adhesion; recommended to clean with isopropyl alcohol before bonding
• PLA (FDM) — very good adhesion, standard choice
• PETG (FDM) — good adhesion, best to lightly sand the area first
• ABS (FDM) — good adhesion
• Flexible TPU / TPE — limited adhesion, consider alternative adhesives

Other Compatible Materials

According to the manufacturer's label, GomaGom 7 bonds: rigid plastics (HIPS used in Revell/Tamiya/Italeri scale models), ceramics, rubber, silicone, porcelain, hardwoods, marble, metals, mother-of-pearl, ivory and glass. Very flexible plastics (polyethylene, polypropylene) and highly polished surfaces require surface preparation or specialist adhesives for a reliable bond.

For Bonds That Require Gap Filling

Cyanoacrylate bonds surfaces in contact, but does not fill gaps. If a printed part is broken with missing material, or if the crack has significant width, cyanoacrylate alone won't be enough. For these cases, epoxy putty is the way to go:

• GomaGom 31 Epoxy Putty for fast repairs (sets in 10 minutes).
• GomaGom 29 Universal Epoxy Putty for repairs requiring a longer working time and/or moisture resistance (cures underwater).

Technical Specifications

• Type: instant liquid cyanoacrylate adhesive
• Contents: 20 g
• Applicator: bottle with standard conical nozzle
• Finish: dries clear
• Setting time: 15–30 seconds of pressure
• Maximum strength: reached in around 12 hours
• 3D printing compatibility: cured UV resin, PLA, PETG, ABS
• Other materials: rigid plastics, ceramic, rubber, silicone, porcelain, hardwood, marble, metal, mother-of-pearl, ivory, glass
• NOT compatible with: polyethylene, polypropylene, flexible plastics
• Typical applications: assembling large printed parts, workshop repairs, general household use
• Storage: cool, dry place away from light
• Safety: causes skin and eye irritation — avoid contact with skin and eyes
• Manufacturer: DUNSA (GomaGom brand, Spain)
• References: SKU GG15600 / EAN 8414213156003

Why Buy It from Mr Resin

The 20 g GomaGom 7 is the most cost-efficient format per gram for the cyanoacrylate you'll be going through regularly in your 3D printing workshop. If you're already ordering resin, filament or paint, adding the GomaGom 7 fits in the same shipment at no extra cost. Free shipping to mainland Spain on orders over €79.

Mr Resin has been serving over 5,000 makers across Spain, Portugal and France for years. Our catalogue is built around what the community asks for: printers and materials at its core, plus the workshop consumables that end up being part of your everyday workflow.

Frequently Asked Questions

Is this a good super glue for 3D printing?
Yes. Cyanoacrylate is the go-to adhesive for assembling 3D printed parts, whether FDM (PLA, ABS, PETG) or cured UV resin. The 20 g GomaGom 7 easily covers the typical consumption of a workshop running several projects at once. For precision work on miniatures or highly detailed parts, the GomaGom 9 with its brush applicator is the recommended companion product.

How is it different from the GomaGom 9?
Two practical differences. (1) Quantity: 20 g vs 10 g. The 7 gives you twice as much and, at a cost-per-gram level, is more efficient for everyday use. (2) Applicator: the 7 has a standard conical nozzle (the kind you find on any typical super glue bottle), while the 9 has a built-in brush. For large parts, general assembly and everyday household use, go with the 7. For miniatures, photo-etched parts and precision work, go with the 9. Ideally, a busy workshop should have both.

Does it bond well to UV resin printed parts?
Yes, perfectly. Cured UV resin behaves like a rigid thermoset and cyanoacrylate bonds to it reliably. We recommend washing and fully curing your parts before gluing, and wiping the contact surfaces with isopropyl alcohol to remove any uncured monomer residue — this noticeably improves bond quality.

How long does an opened bottle last?
Like any cyanoacrylate, once opened it gradually degrades by absorbing ambient moisture, especially if the cap is not sealed properly after each use. Stored correctly in a cool, dry place away from light, a 20 g bottle can last many months with regular workshop use. The label explicitly instructs you to clean off any residue with debonder and reseal the bottle tightly after every use. If you notice the glue thickening or taking longer to cure, it is time to replace it.

Can I use it for household repairs as well as 3D printing projects?
Yes. It is perfectly suited for home use: regluing a broken mug, securing a loose handle, repairing small ceramic, plastic or metal items. The label explicitly lists ceramics, rubber, porcelain, marble, metal, mother-of-pearl, ivory and glass as compatible materials. For repairs that require gap-filling rather than simple bonding, epoxy putty is the better choice.

What if I glue my fingers together?
It happens more often than any of us like to admit. The procedure is: do not pull your fingers apart by force (it tears skin), apply GomaGom 21 Adhesive Remover to the bonded area, wait 2–4 minutes, then gently ease the skin apart. Any remaining residue can be removed by washing with soap and water. If the situation is serious (eyes, open wounds, children), seek medical attention immediately.