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PERMABOND TA 4660

PERMABOND TA 4660

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MMA structural adhesive for industrial applications

MMA structural adhesive TA 4660 — industrial structural bonding.

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  • Manufacturer
  • Container
  • Chemical group (A)
  • Color (A)
  • Viscosity (A)
  • Specific gravity (A)
  • Chemical group (B)
  • Color (B)
  • Viscosity (B)
  • Specific gravity (B)
  • Color
  • Mixing ratio
  • Maximum gap filling capacity up to
  • Processing time (pot life) at 25°C
  • Fixing time
  • Handling strength at 23°C
  • Functional strength
  • Final strength at 23°C
  • PA6
  • PA6.6
  • PA6 30% GF
  • Steel to PA6.6
  • Aluminium to PA6.6
  • Tensile strength (ASTM D638)
  • Elongation at break (ASTM D638)
  • Storage temperature (°C)
  • UFI Part A
  • UFI Part B
  • Operating temperature (°C)

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Structurally low odor

 
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: 49-4660.KT.G050

Internal reference: 49-4660.KT.G050

PERMABOND TA 4660
PERMABOND TA 4660
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-4660.KT.G050

Permabond TA4660 is a 2:1 MMA structural adhesive for industrial applications.

Structural adhesive in a 2:1 ratio — a variant of 1:1 standard products.

APPLICATION PROFILE

MMA structural adhesive in a 2:1 ratio — industrial structural bonding with a different mixing ratio than the 1:1 standard variants.

Permabond TA 4660 in figures
2:1
mixture
MMA
structural adhesive
industry
standard
RT-Cure
room temperature

What distinguishes Permabond TA 4660

MMA Toughened
Impact and peel resistant.
2:1 mixture
Standard double cartridge.
RT curing
Room temperature.
Multi-substrate
Metal/Composite/Plastic.
structural adhesive
Industry.
Solvent-free
100% reactive.

What is Permabond TA 4660 used for?

Industrial structural bonding
Generally.
Composite
CFRP/GFRP.
metal
Steel, aluminum.
Multi-material
Different.
Special mixing ratio
When 2:1 is preferred.

processing

1
Clean surfaces
Ensure bonding surfaces are clean, dry, and free of grease — degrease with Permabond Cleaner A. Lightly sand the aluminum to remove oxides.
2
Mix components A + B
For dual cartridges: Attach the mixing nozzle (2:1 volume ratio). For larger containers, weigh precisely and mix thoroughly until no streaks are visible.
3
Apply adhesive + join components
Apply the mixed adhesive to a bonding surface and join the components together with sufficient pressure.
4
Secure components during curing
Use a clamping device or clamp. Avoid movement before handling stability is achieved.
5
Curing at room temperature
Final strength is typically reached after 24 hours at 23 °C. Exposure to heat accelerates the curing process.
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

SILISIL Adhesive Dispensing Gun 50 ml
Manual dispensing gun for 50 ml twin cartridges with 1:1 and 2:1 mixing ratios — precise dispensing without waste for multi-component adhesives.
View product →
Permabond Cleaner A Aerosol
Spray cleaner for preparing the bonding surfaces before applying the MMA structural adhesive.
View product →
Permabond TA4246 — Aerospace star
Boeing HMS 16-1226 + Airbus IP510-04-036-01 approved — Premium MMA structural adhesive for aerospace applications.
View product →
Permabond TA452 — Premium Industrial
28–32 N/mm² steel — highest industrial strength without an aerospace surcharge.
View product →
Permabond TA4200 — Standard 1:1
All-round MMA structural adhesive in a 1:1 ratio — industry standard bonding.
View product →

Important instructions

Important instructions
Storage temperature 2–7 °C.
storage
Store adhesive at 2 to 7 °C. Keep initiator separate in its original packaging. Never mix adhesive and initiator directly — protect adhesive from light.

Which Permabond MMA structural adhesive is suitable for which application?

Permabond TA 4660 in direct comparison with related products of the TA series.

Permabond TA 4660
Current product		Permabond TA 4631 →Permabond TA 4610 →Permabond TA 4246 →
ApplicationStructural adhesive MMA 2:11:1 ratio1:1 ratioAerospace Premium
Mixing ratio2:1 volume parts1:11:110:1
Handling strength———2–4 min
Steel shear strength———33–35 N/mm²
peeling resistance———150–180 N/25 mm
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Structurally low odor

Technical data for PERMABOND TA 4660

All 30 product information 5 Physical properties A 5 Physical properties B 5 Performance at final strength 2 Bonding properties 4 Physical properties 1 Curing values ​​1 Shear strength ISO 4587 in N/mm² 5 Thermal properties 2
Product information
brand Permabond
Manufacturer Permabond Engineering Adhesives Ltd
Container 50 ml
Mixing ratio 2:1
Processing time (pot life) at 25°C 5 minutes
Physical properties A
Chemical group (A) Methacrylate
Color (A) Yellow
Viscosity (A) 100000
Specific gravity (A) 1.0
UFI Part A T3D1-00Y6-G00U-RAQA
Physical properties B
Chemical group (B) Methacrylate
Color (B) Black
Viscosity (B) 100000
Specific gravity (B) 1.0
UFI Part B D6D1-H0D1-T00A-DP9D
Performance at final strength
Tensile strength (ASTM D638) 20 N/mm2
Elongation at break (ASTM D638) 11%
Properties of the adhesive
Maximum gap filling capacity up to 1.0mm
Handling strength at 23°C 90 minutes
Functional strength 2 hours
Final strength at 23°C 48 hours
Physical properties
Color Dark grey
Curing values
Fixing time 25 minutes
Shear strength ISO 4587 in N/mm²
PA6 >10 N/mm²
PA6.6 >6 N/mm²
PA6 30% GF 14-18 N/mm²
Steel to PA6.6 >10 N/mm²
Aluminium to PA6.6 >10 N/mm²
Thermal properties
Storage temperature (°C) 5-25
Operating temperature (°C) -55 to +100

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.

Safety Data Sheets (SDS) 3
Permabond TA 4660 - Safety Data Sheet DE.pdf
405 KB
Permabond TA 4660 - Safety Data Sheet EN.pdf
401 KB
Permabond TA 4660 - Fiche de Sécurité FR.pdf
403 KB

Frequently asked questions about Permabond TA 4660

Practical application and design questions — answered by SILITECH.

MMA structural adhesive 2:1 — industrial application.

TA series MMA structural adhesives typically operate using a no-mix process: initiator on one surface, adhesive on the other—upon joining, the initiator activates the adhesive. Mixing ratio: 2:1 by volume. Handling strength after 2–10 minutes, final strength after 24 hours at 23 °C.

MMA (methyl methacrylate) structural adhesives offer higher impact and peel strength than conventional two-component epoxies—important for dynamically stressed bonds. The no-mix application with a separate initiator eliminates pot life limitations. Curing time is typically faster (minutes instead of hours).

Permabond TA 4660 typically bonds metals (steel, aluminum), composites (CFRP, GFRP) and plastics. See TDS for detailed specifications.

Permabond TA 4660 does not have specific aerospace approvals like TA4246 (Boeing/Airbus). For industrial applications without aerospace requirements, the product is approved according to Permabond standards.

Permabond TA 4660 is a structural adhesive MMA 2:1 (2:1 volume parts mix). Permabond TA 4631 is a standard 1:1 (1:1) — 1:1 ratio.

From the Permabond MMA range: Permabond TA 4660 (structural adhesive MMA 2:1); Permabond TA 4631 (standard 1:1); Permabond TA 4610 (standard 1:1); Permabond TA 4246 (aerospace 10:1). For aerospace premium, see TA4246 (Boeing and Airbus approved). For highest industrial strength without an aerospace surcharge, see TA452.

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Product specifications

Product information
brand Permabond
Manufacturer Permabond Engineering Adhesives Ltd
Container 50 ml
Mixing ratio 2:1
Processing time (pot life) at 25°C 5 minutes
Physical properties A
Chemical group (A) Methacrylate
Color (A) Yellow
Viscosity (A) 100000
Specific gravity (A) 1.0
UFI Part A T3D1-00Y6-G00U-RAQA
Physical properties B
Chemical group (B) Methacrylate
Color (B) Black
Viscosity (B) 100000
Specific gravity (B) 1.0
UFI Part B D6D1-H0D1-T00A-DP9D
Performance at final strength
Tensile strength (ASTM D638) 20 N/mm2
Elongation at break (ASTM D638) 11%
Properties of the adhesive
Maximum gap filling capacity up to 1.0mm
Handling strength at 23°C 90 minutes
Functional strength 2 hours
Final strength at 23°C 48 hours
Physical properties
Color Dark grey
Curing values
Fixing time 25 minutes
Shear strength ISO 4587 in N/mm²
PA6 >10 N/mm²
PA6.6 >6 N/mm²
PA6 30% GF 14-18 N/mm²
Steel to PA6.6 >10 N/mm²
Aluminium to PA6.6 >10 N/mm²
Thermal properties
Storage temperature (°C) 5-25
Operating temperature (°C) -55 to +100
Keywords
Keywords
Structurally low odor

Documents and datasheets

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