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PERMABOND 820

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Permabond 820 — Cyanoacrylate instant adhesive, viscosity 90-110 mPa·s, Shore D 85.

High temperature resistant and biocompatible — the cytotoxicity-tested superglue for hygienic applications.

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  • Container
  • Color
  • Country of origin
  • Chemical group
  • Viscosity (adhesives)
  • Viscosity mPa·s
  • Maximum gap width (mm)
  • Steel hand strength (sec.)
  • Rubber's hand strength (sec.)
  • Hand strength of phenol (seconds)
  • Steel
  • Operating temperature (°C)
  • Hardness (Shore D)
  • Storage temperature (°C)
  • Final strength
  • Dielectric strength
  • UFI (Unique Formula Identifier)

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Ethyl cyanoacrylate, low viscosity, ISO 10993 cytotoxicity tested for medical devices. PERMABOND cyanoacrylate adhesive, plastic adhesive, metal adhesive, rubber adhesive, industrial high-temperature resistant superglue , PERMABOND 820 biocompatible adhesive

 
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: 49-820.FL

HS code: 3506.9190000

Internal reference: 49-820.FL
HS code: 3506.9190000

PERMABOND 820
PERMABOND 820
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-820.FL

Permabond 820 is a high-temperature resistant ethyl cyanoacrylate adhesive with additional cytotoxicity testing — the biocompatible representative of the 800 series for medical and hygienic bonding applications.

With a viscosity of 100 mPa·s, 820 is low-viscosity and fills gaps up to 0.15 mm. Its handling strength on steel, Buna-N, and phenol is 10 to 15 seconds—comparable to the other high-temperature variants in the series.

What distinguishes 820 from 801/802/825 is its successful cytotoxicity testing—a fundamental biological safety test for materials that come into contact with the body. This qualifies 820 for applications with product hygiene requirements. The steel tensile strength of 19–23 N/mm² and the high-temperature formulation remain unchanged.

SPECIAL FEATURE

High-temperature resistant + biocompatible — the rare combination of a high-temperature ethyl cyanoacrylate with passed cytotoxicity testing. Qualified for applications with medical or hygiene-related requirements.

Permabond 820 in figures
100
mPa·s viscosity
19–23
N/mm² steel
Organic
Cytotoxicity OK
Hot
High-temperature variant

What makes Permabond 820 stand out

Biocompatible
Successful cytotoxicity testing — qualified for medical and hygiene-related bonding applications.
High temperature resistant
Significantly higher strength than standard cyanoacrylates at elevated continuous temperatures.
Low-viscosity standard geometry
100 mPa·s and 0.15 mm gap filling — standard adhesive gap without pre-treatment.
Quick hand strength
10–15 seconds on steel, Buna-N and phenol.
Steel strength at the highest level
19–23 N/mm² shear strength on blasted steel.
Solvent-free
100% reactive — no mixing, no heat curing.

What is Permabond 820 used for?

Medical and hygiene-related adhesives
Cytotoxicity tested — qualified for applications involving skin contact or hygiene-related requirements.
pharmaceutical and packaging industry
Bonding of components with product hygiene-relevant requirements.
Components near heat sources
High-temperature suitability for devices and machines with increased operating temperatures.
General industrial assembly
Standard adhesives when biocompatible behavior is also required.
Multi-specified bonding
When a cyanoacrylate needs to be both heat and biocompatibility tested.

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
Use adhesive sparingly
Apply Permabond 820 only drop by drop to an adhesive surface — the thin layer is crucial for rapid curing.
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 (typically a few seconds to one minute, depending on the substrate). Final strength is reached after 24 hours.
5
Remove adhesive residue
Excess adhesive can be removed with Permabond CA Solvent 2, 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 / Important notes
For porous or difficult surfaces, Permabond CSA activator is recommended. Permabond POP primer is mandatory before bonding PP, PE, PTFE, or silicone. Passing cytotoxicity testing does not replace full medical device certification—application-specific testing is required before serial use.
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 820 in direct comparison with related cyanoacrylate products.

Permabond 820
Current product		Permabond 801 →Permabond 802 →Permabond 825 →
ChemistryEthyl cyanoacrylateEthyl-CAEthyl-CAEthyl-CA
viscosity100 mPa·s10–15 mPa·s90-110 mPa·s100–150 mPa·s
Maximum gap filling.0.15 mm0.05 mm0.15 mm0.15 mm
Firmly on steel10–15 s10–15 s10–15 s10–20 s
Shear strength steel19-23 N/mm²19-23 N/mm²19-23 N/mm²15–20 N/mm²
Strength / Recommended forBiocompatible
Organic		Ultra-low, WickingMedium viscosity, high temperaturePremium 180 °C / 1,000 h
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Ethyl cyanoacrylate, low viscosity, ISO 10993 cytotoxicity tested for medical devices. PERMABOND cyanoacrylate adhesive, plastic adhesive, metal adhesive, rubber adhesive, industrial high-temperature resistant superglue , PERMABOND 820 biocompatible adhesive

Technical data for PERMABOND 820

All 19 product information 5 Performance at final strength 1 Physical properties 4 Curing values ​​5 Mechanical properties 1 Shear strength ISO 4587 in N/mm² 1 Thermal properties 2
Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 20 g, 50 g
Country of origin Italy
UFI (Unique Formula Identifier) NS00-G0PG-G00V-M1EH
Performance at final strength
Dielectric strength 25 kV/mm
Physical properties
Color colorless
Chemical group Ethyl cyanoacrylate
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa·s 90-110
Curing values
Maximum gap width (mm) 0.15
Steel hand strength (sec.) 10-15
Rubber's hand strength (sec.) 10-15
Hand strength of phenol (seconds) 10-15
Final strength 24 hours
Mechanical properties
Hardness (Shore D) 85
Shear strength ISO 4587 in N/mm²
Steel 19-23
Thermal properties
Operating temperature (°C) -55 to +165
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 820 - Technical Data Sheet DE.pdf
333 KB
Permabond 820 - Technical Data Sheet EN.pdf
372 KB
Permabond 820 - Fiche Technique FR.pdf
336 KB
Safety Data Sheets (SDS) 3
Permabond 820 - Safety Data Sheet DE.pdf
332 KB
Permabond 820 - Safety Data Sheet EN.pdf
310 KB
Permabond 820 - Fiche de Sécurité FR.pdf
331 KB

Frequently asked questions about Permabond 820

Practical application and design questions — answered by SILITECH.

Permabond 820 is an ethyl cyanoacrylate instant adhesive with a viscosity of 100 mPa·s and a maximum gap filling capacity of 0.15 mm. This high-temperature cyanoacrylate adhesive is biocompatible, low-viscosity, and widely applicable.

Permabond 820 reliably bonds steel (19–23 N/mm²), as well as Buna-N rubber and similar elastomers. For polypropylene (PP), polyethylene (PE), PTFE, and silicone, pretreatment with Permabond Polyolefin Primer (POP) is required.

Permabond 820 has passed cytotoxicity testing approved — qualified for demanding industrial applications.

Permabond 820 reaches handling strength on steel in 10–15 seconds. Other typical curing times: 10–15 seconds (Buna N), 10–15 seconds (Phenol). The final strength of 19–23 N/mm² (steel) is reached after 24 hours. Temperature, humidity, and substrate affect the curing rate.

Permabond 820 offers a viscosity of 100 mPa·s, a gap filling capacity of 0.15 mm, and a shear strength of 19–23 N/mm² on steel. Permabond 801 has a viscosity of 10–15 mPa·s, a gap filling capacity of 0.05 mm, and a shear strength of 19–23 N/mm² on steel (ultra-low wicking). Both utilize an ethyl cyanoacrylate base (or a related cyanoacrylate variant).

Permabond 820 should be stored unopened refrigerated at 2 to 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. We recommend a test bond to check reactivity before critical production applications.

From the Permabond cyanoacrylate range, select according to viscosity and special properties: Permabond 820 (100 mPa·s, 0.15 mm gap width, biocompatible); Permabond 801 (10–15 mPa·s, 0.05 mm, ultra-low viscosity, wicking); Permabond 802 (90–110 mPa·s, 0.15 mm, medium viscosity, high temperature); Permabond 825 (100–150 mPa·s, 0.15 mm, premium 180 °C / 1,000 h). For polypropylene, polyethylene, PTFE, and silicone, pretreatment with Permabond Polyolefin Primer (POP) is always required.

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Product specifications

Product information
Container 20 g or 50 g
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Country of origin Italy
UFI (Unique Formula Identifier) NS00-G0PG-G00V-M1EH
Performance at final strength
Dielectric strength 25 kV/mm
Physical properties
Color colorless
Chemical group Ethyl cyanoacrylate
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa·s 90-110
Curing values
Maximum gap width (mm) 0.15
Steel hand strength (sec.) 10-15
Rubber's hand strength (sec.) 10-15
Hand strength of phenol (seconds) 10-15
Final strength 24 hours
Mechanical properties
Hardness (Shore D) 85
Shear strength ISO 4587 in N/mm²
Steel 19-23
Thermal properties
Operating temperature (°C) -55 to +165
Storage temperature (°C) 2-7
Keywords
Keywords
Ethyl cyanoacrylate, low viscosity, ISO 10993 cytotoxicity tested for medical devices. PERMABOND cyanoacrylate adhesive, plastic adhesive, metal adhesive, rubber adhesive, industrial high-temperature resistant superglue , PERMABOND 820 biocompatible adhesive

Documents and datasheets

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