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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 — almost blooming-free.

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  • Manufacturer
  • Specific gravity
  • dielectric constant
  • Dielectric strength (ASTM D-149)
  • MIL-A-46050C Type II Class 1
  • WRAS Drinking Water Approval
  • Impact resistance (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 width (mm)
  • Steel hand strength (sec.)
  • Rubber's hand strength (sec.)
  • Hand strength of phenol (seconds)
  • 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 superglue

 
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: 49-239.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 exceptionally high purity — the special choice for demanding rubber and plastic bonding applications where blooming or discoloration is undesirable.

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

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

PERMIT

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

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

What distinguishes Permabond 105

High purity, blooming-free
Clean adhesive seam without a white haze around the adhesive point — perfect for visible components and optically sensitive applications.
Natural rubber, EPDM and butyl
Bonds elastomers where standard cyanoacrylates fail — the first choice for demanding rubber bonding applications.
Plastics that are difficult to bond
It 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 fill gaps up to 0.1 mm without capillary flow.
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 making, optical components — the blooming-free seam remains inconspicuous.
Plastics that are difficult to bond
Where standard cyanoacrylates fail — the high purity improves adhesion.
Electronics manufacturing
Component fixing in visible areas, coil connection, cable fixing — no disturbing deposits around the adhesive point.
All-purpose with high purity requirements
Standard cyanoacrylate applications where visual or electrical purity is important.

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
Dispensing adhesive
Apply Permabond 105 sparingly to the bonding surface. Its low viscosity allows the product to spread within the gap on its own, without excessive running.
3
assembling components
Quickly and correctly align the parts. Apply enough pressure so that the adhesive spreads into a thin film.
4
Secure until firmly in place
Do not disturb or realign until handling strength is reached (10–15 s on steel, 5–10 s on rubber and phenol). Final 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
Full 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.
View product →
Permabond POP Primer
Polyolefin primer for the pretreatment of PP, PE, PTFE and silicone — without a primer, reliable cyanoacrylate bonding is not possible on these materials.
View product →
Permabond Cleaner A Aerosol
Spray cleaner for quick degreasing and preparation of the bonding surfaces before applying cyanoacrylate.
View product →
Permabond CA Solvent 2
Special solvent for removing hardened cyanoacrylate adhesive residue — gentler than acetone or nitromethane.
View product →

Important instructions

Not suitable for
Avoid contact with strong oxidizing agents or polar solvents (brief solvent washing is harmless). Pretreatment with Permabond POP primer is mandatory for PP, PE, PTFE, and silicone.
storage
Store refrigerated at 2 to 7 °C. Allow the bottle to warm to room temperature before opening – this prevents condensation and protects the shelf life.

Which Permabond is suitable 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
Maximum gap filling. 0.05 mm 0.15 mm 0.1 mm 0.15 mm
Firmly 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-gap,
precision		 General-purpose adhesive,
larger gap widths		 High purity, rubber/
plastic bonding		 Universal all-rounder,
highest steel strength
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Cyanoacrylate natural rubber synthetic rubber EPDM colorless PERMABOND superglue

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 width (mm) 0.1
Steel hand strength (sec.) 10-15
Rubber's hand strength (sec.) 5-10
Hand strength of phenol (seconds) 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 resistance (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

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) 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. It is ideal for demanding rubber bonding applications (natural rubber, EPDM, butyl, Buna-N), difficult-to-bond plastics, and visible components where the typical blooming (white haze) around standard cyanoacrylate joints is undesirable. Maximum gap filling is 0.1 mm, and it reaches handling strength on steel in 10–15 seconds.

Permabond 105 is the specialist 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 difficult-to-bond plastics. For polypropylene (PP), polyethylene (PE), PTFE, and silicone, pretreatment with Permabond Polyolefin Primer (POP) is required.

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

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

Permabond 105 has a lower viscosity (30–50 mPa·s) than Permabond 102 (70–90 mPa·s) and is exceptionally pure—almost bloom-free. Permabond 105 is the specialist choice for demanding rubber bonding applications (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 should be stored unopened in a refrigerated location between 2 and 7 °C and is stable until the printed expiration date. Allow the bottle to warm to room temperature before opening – this prevents condensation inside, which would reduce its shelf life. Opened bottles remain functional for several months if stored correctly, although the curing rate may decrease over time.

For demanding rubber bonding applications (NR, EPDM, butyl) and visible components with high cleanliness requirements, choose Permabond 105. For micro-gap 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 20g or 50g or 500g or 2kg
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 width (mm) 0.1
Steel hand strength (sec.) 10-15
Rubber's hand strength (sec.) 5-10
Hand strength of phenol (seconds) 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 resistance (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 superglue

Documents and datasheets

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