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PERMABOND 105

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Permabond 105 — low-viscosity, high-purity ethyl cyanoacrylate adhesive (30–50 mPa·s) for rubber and plastics. MIL-A-46050C approved.

High-purity, low-viscosity industrial adhesive for natural rubber, EPDM, butyl, and difficult-to-bond plastics — nearly bloom-free.

Price on request

  • Manufacturer
  • Specific Gravity
  • Dielectric Constant
  • Dielectric strength (ASTM D-149)
  • MIL-A-46050C Type II Class 1
  • WRAS Drinking Water Approval
  • Impact strength (ASTM D950)
  • PC
  • Thermal conductivity
  • Coefficient of thermal expansion
  • Brand
  • Container
  • Color
  • Country of origin
  • Chemical group
  • Viscosity (adhesives)
  • Operating temperature (°C)
  • Hardness (Shore D)
  • Storage Temperature (°C)
  • Maximum gap fill (mm)
  • Fixture time on steel (sec.)
  • Hand Strength Rubber (sec.)
  • Hand Strength Phenol (sec.)
  • Final strength
  • Steel
  • Aluminum
  • Zinc
  • ABS
  • PVC
  • Phenol
  • Viscosity mPa.s
  • UFI (Unique Formula Identifier)

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Cyanoacrylate Natural rubber Synthetic rubber EPDM Colorless PERMABOND Instant adhesive

 
General Terms and Conditions

Shipping usually within 1 to 3 business days
(Availability confirmed after order)

Express logistics. Fast and reliable within Switzerland & Europe

From Swiss stock Dispatch within 24h Batch certificate Invoice 30 days (B2B) Technical advice
Shipping & Delivery

Usually 1 to 3 business days

Availability is confirmed after order receipt.

Express logistics within Switzerland & Europe.

Terms and Conditions →

Product data

Internal Reference: 49-239.FL

HS Code: 35069190000

Internal Reference: 49-239.FL
HS Code: 35069190000

PERMABOND 105
PERMABOND 105
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-239.FL

Permabond 105 is a one-component, low-viscosity cyanoacrylate adhesive with particularly high purity — the special choice for demanding rubber and plastic bonding applications where blooming or discoloration are undesirable.

With a viscosity of 30–50 mPa·s, Permabond 105 fills gaps up to 0.1 mm and produces a particularly clean, almost blooming-free adhesive seam — ideal for visible components, electronics, or optically sensitive applications where the typical white haze around the bond line is undesirable.

One strength: Permabond 105 reliably bonds natural rubber, EPDM, and butyl rubber — elastomers where standard cyanoacrylates often fail.

APPROVAL

WRAS Drinking Water Approval (cold water use only) — British drinking water approval for direct contact with cold potable water. Suitable for sanitary, food, and water installation components.

Permabond 105 in figures
30–50
mPa·s viscosity
10–15 s
Finger-tight on steel
18–22
N/mm² Steel
MIL
A-46050C Class 1

What sets Permabond 105 apart

High purity, blooming-free
Clean adhesive seam without white haze around the bond area — perfect for visible components and optically sensitive applications.
Natural rubber, EPDM, and butyl
Bonds elastomers that standard cyanoacrylates fail on — the first choice for demanding rubber bonding applications.
Difficult-to-bond plastics
Works where many cyanoacrylates have problems — the high purity of the formulation improves adhesion.
MIL-A-46050C Type II Class 1
Qualified for industrial, aerospace, and defense applications.
Low viscosity for good gap penetration
30–50 mPa·s reliably fills gaps up to 0.1 mm without capillary run-off.
Electronics-compatible
Excellent dielectric properties and high dielectric strength for insulating applications.

What is Permabond 105 used for?

Rubber bonding (NR, EPDM, Butyl)
Natural rubber, EPDM, butyl rubber, and Buna-N — elastomers with demanding bonding requirements.
Visible components and optics
Eyeglass repair, jewelry, model building, optical components — the low-blooming bond line remains inconspicuous.
Difficult-to-bond plastics
Where standard cyanoacrylates fail — high purity improves adhesion.
Electronics Manufacturing
Component fixation in visible areas, coil termination, cable fixing — no disruptive residues around the bond line.
All-purpose with high purity requirements
Standard cyanoacrylate applications where visual or electrical purity matters.

Processing

1
Clean surfaces
Bonding surfaces must be clean, dry, and free of grease. Degrease with acetone or isopropanol. Lightly sand aluminum, copper, and their alloys to remove the oxide layer.
2
Applying the adhesive
Apply Permabond 105 sparingly to one bonding surface. The low viscosity distributes the product in the gap by itself without excessive running.
3
Joining components
Assemble quickly and align correctly. Apply sufficient pressure so that the adhesive spreads into a thin film.
4
Fixing until hand-tight
Do not disturb or realign until hand strength is achieved (10–15 s on steel, 5–10 s on rubber and phenolic). Full strength after 24 hours.
5
Remove adhesive residue
Excess adhesive can be removed with Permabond CA Solvent, nitromethane, or acetone.
Data Sheets & Safety Data Sheet
Complete TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

Permabond Activator CSA
Accelerates curing and enables bonding on porous or acidic surfaces.
To the product →
Permabond POP Primer
Polyolefin primer for the pretreatment of PP, PE, PTFE and silicone — without primer, reliable cyanoacrylate bonding is not possible on these materials.
To the product →
Permabond Cleaner A Aerosol
Spray cleaner for rapid degreasing and preparation of bonding surfaces before applying cyanoacrylate.
To the product →
Permabond CA Solvent 2
Special solvent for removing cured cyanoacrylate adhesive residues — gentler than acetone or nitromethane.
To the product →

Important Notes

Not suitable for
Contact with strong oxidizing agents or polar solvents (a brief solvent wash is harmless). For PP, PE, PTFE, and silicone, pretreatment with Permabond POP Primer is mandatory.
Storage
Store refrigerated at 2 to 7 °C. Allow the bottle to warm to room temperature before opening — prevents condensation and protects shelf life.

Which Permabond for which application?

Permabond 105 in direct comparison with the related cyanoacrylate products in our range.

Permabond 101 → Permabond 102 →
Permabond 105
Current Product 		Permabond 910 →
Chemistry Ethyl Cyanoacrylate Ethyl Cyanoacrylate Ethyl Cyanoacrylate Methyl cyanoacrylate
Viscosity 2–3 mPa·s 70–90 mPa·s 30-50 mPa·s 70–90 mPa·s
Max. gap fill. 0.05 mm 0.15 mm 0.1 mm 0.15 mm
Finger-tight on steel 3–5 s 10–15 s 10–15 s 10–15 s
Shear strength steel 19–23 N/mm² 19–23 N/mm² 18-22 N/mm² 23–29 N/mm²
Strength / Recommended for Wicking, micro gaps,
precision		 All-purpose bonding,
larger gap widths		 High purity, rubber/
plastic bonding		 Universal all-rounder,
highest steel strength
Topics & Application Fields
Key terms related to this product. Also useful for our search and filters.
Cyanoacrylate Natural rubber Synthetic rubber EPDM Colorless PERMABOND Instant adhesive

Technical Data for PERMABOND 105

All 32 Product Information 5 Physical Properties 5 Electrical Properties 2 Curing Values 5 Product Approvals 2 Mechanical Properties 2 Shear Strength ISO 4587 in N/mm² 7 Thermal Properties 4
Product Information
Manufacturer Permabond Engineering Adhesives Ltd
Brand Permabond
Container 20 g, 50 g, 500 g, 2 kg
Country of origin Italy
UFI (Unique Formula Identifier) 94K0-R03P-C00U-704J
Physical Properties
Specific Gravity 1.1
Color colorless
Chemical group Ethyl Cyanoacrylate
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa.s 30-50
Electrical Properties
Dielectric Constant 2.5 (@ 10 kHz)
Dielectric strength (ASTM D-149) 25 kV/mm
Curing values
Maximum gap fill (mm) 0.1
Fixture time on steel (sec.) 10-15
Hand Strength Rubber (sec.) 5-10
Hand Strength Phenol (sec.) 5-10
Final strength 24 hours
Product Approvals
MIL-A-46050C Type II Class 1 Approved
WRAS Drinking Water Approval cold water use only
Mechanical properties
Impact strength (ASTM D950) 3-5 kJ/m²
Hardness (Shore D) 85
Shear strength ISO 4587 in N/mm²
PC >5
Steel 18-22
Aluminum 6-8
Zinc 6-8
ABS >6
PVC >6
Phenol >6
Thermal Properties
Thermal conductivity 0.1 W/(m·K)
Coefficient of thermal expansion 90 × 10⁻⁶ mm/mm/°C
Operating temperature (°C) -55 to +80
Storage Temperature (°C) 2-7

Please refer to the technical data sheet (TDS) in the "Documents" tab for binding values.

Documents and data sheets

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

Technical Data Sheets (TDS) 3
Permabond 105 - Technical Data Sheet DE.pdf
335 KB
Permabond 105 - Technical Data Sheet EN.pdf
374 KB
Permabond 105 - Fiche Technique FR.pdf
338 KB
Safety Data Sheets (SDS) 3
Permabond 105 - Safety Data Sheet DE.pdf
558 KB
Permabond 105 - Safety Data Sheet EN.pdf
417 KB
Permabond 105 - Fiche de Sécurité FR.pdf
557 KB

Frequently Asked Questions about Permabond 105

Practical application and design questions — answered by SILITECH.

Permabond 105 is a low-viscosity ethyl cyanoacrylate adhesive (30–50 mPa·s) with exceptionally high purity. Ideal for demanding rubber bonding (natural rubber, EPDM, butyl, Buna-N), difficult-to-bond plastics, and visible components where the typical blooming (white haze) around standard cyanoacrylate bond lines is undesirable. Maximum gap fill 0.1 mm, hand strength on steel in 10–15 seconds.

Permabond 105 is the special choice for demanding elastomers: natural rubber, EPDM, butyl rubber, Buna-N, and NBR. It reliably bonds steel (18–22 N/mm²), aluminum, zinc, ABS, PVC, phenolic resins, and plastics that are difficult to bond. For polypropylene (PP), polyethylene (PE), PTFE, and silicone, pretreatment with Permabond Polyolefin Primer (POP) is required.

Blooming refers to the whitish haze or deposit that forms around the bond line with standard cyanoacrylate adhesives — caused by evaporating monomer condensing on adjacent surfaces. Permabond 105 has a particularly pure formulation with significantly reduced blooming effect — keeping the area around the bond clean for visible parts, optical applications, and electronics.

Permabond 105 is approved to MIL-A-46050C Type II Class 1 for existing designs — the internationally established specification for high-performance cyanoacrylate industrial adhesives. As such, Permabond 105 is qualified for demanding industrial, aerospace, and defense applications.

Permabond 105 is lower in viscosity (30–50 mPa·s) than Permabond 102 (70–90 mPa·s) and has particularly high purity — almost blooming-free. Permabond 105 is the special choice for demanding rubber bonding (NR, EPDM, butyl) and visible components. Permabond 102, on the other hand, is the all-rounder for standard bonding tasks with larger gaps (up to 0.15 mm) and substrate failure on ABS, PVC, and polycarbonate.

Permabond 105 is stored unopened in a cool place at 2 to 7 °C and remains stable until the printed expiration date. Before opening, allow the bottle to warm to room temperature — this prevents internal condensation, which would reduce shelf life. Opened bottles remain functional for several months when stored correctly, although the curing speed may decrease over time.

For demanding rubber bonding applications (NR, EPDM, Butyl) and visible components with high purity requirements, choose Permabond 105. For micro gaps and wicking applications, Permabond 101 is the right choice (2–3 mPa·s, max. 0.05 mm). For general bonding with larger gaps and substrate failure on ABS/PVC/PC, Permabond 102 is recommended. Universal applications with the highest steel strength are covered by Permabond 910 . For polypropylene, polyethylene, PTFE, and silicone, pretreatment with Permabond POP-Primer is always required.

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Product Specifications

Product Information
Container 20 g or 50 g or 500 g or 2 kg
Manufacturer Permabond Engineering Adhesives Ltd
Brand Permabond
Country of origin Italy
UFI (Unique Formula Identifier) 94K0-R03P-C00U-704J
Physical Properties
Specific Gravity 1.1
Color colorless
Chemical group Ethyl Cyanoacrylate
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa.s 30-50
Electrical Properties
Dielectric Constant 2.5 (@ 10 kHz)
Dielectric strength (ASTM D-149) 25 kV/mm
Curing values
Maximum gap fill (mm) 0.1
Fixture time on steel (sec.) 10-15
Hand Strength Rubber (sec.) 5-10
Hand Strength Phenol (sec.) 5-10
Final strength 24 hours
Product Approvals
MIL-A-46050C Type II Class 1 Approved
WRAS Drinking Water Approval cold water use only
Mechanical properties
Impact strength (ASTM D950) 3-5 kJ/m²
Hardness (Shore D) 85
Shear strength ISO 4587 in N/mm²
PC >5
Steel 18-22
Aluminum 6-8
Zinc 6-8
ABS >6
PVC >6
Phenol >6
Thermal Properties
Thermal conductivity 0.1 W/(m·K)
Coefficient of thermal expansion 90 × 10⁻⁶ mm/mm/°C
Operating temperature (°C) -55 to +80
Storage Temperature (°C) 2-7
Keywords
Keywords
Cyanoacrylate Natural rubber Synthetic rubber EPDM Colorless PERMABOND Instant adhesive

Documents and data sheets

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