PERMABOND 41

Harmonization Code : 3909.20.00.90 | Amino-resins, phenolic resins and polyurethanes, in primary forms : Melamine resins : Other

PERMABOND 41

Main features

  • 30-Minute On-Part Life
  • Brush, Wipe, or Spray
  • No-Mix Acrylic Initiation

Product Description

PERMABOND Initiator 41 functions as an amber, solvent-free surface initiator for compatible PERMABOND TA structural acrylic adhesives in no-mix bonding systems. The liquid is applied in a thin film by brush, wipe, or spray to one mating surface, while the adhesive is applied to the other. Assembly begins when the parts are brought together, eliminating a separate resin-and-initiator mixing step. The treated surface remains active for up to 30 minutes. With a typical specific gravity of 1.0 and 90 deg C flash point, Initiator 41 requires a compatible TA adhesive to form the bond.

Key features

  • No-mix acrylic initiation: Activates compatible PERMABOND TA structural acrylic adhesives when coated parts are assembled.
  • Thirty-minute on-part life: The treated surface remains active for up to 30 minutes before mating.
  • Flexible application method: Supports brush, wipe, or spray application as a thin surface film.

Applications / Suitable for

  • Initiating compatible PERMABOND TA structural acrylic adhesives
  • No-mix bonding with initiator on one surface and adhesive on the other
  • Brush, wipe, or spray surface application
Product Family

PERMABOND 41

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TDS, SDS & Technical Documents

Technical Specifications

Other Properties
Storage Temperature
5 - 25 °C
General Properties
Color
The color
Amber
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
<50 mPa.s
Thermal Properties
Flash Point
The flashpoint of a solvent is the lowest possible temperature at which it can vaporize to form an ignitable vapor. Flashpoint is often confused with “autoignition temperature”, which is the temperature at which a solvent ignites without an ignition source.
>90 °C

Additional Information

Technical properties

As-supplied and working properties

Property Value Unit Method / condition
Appearance Amber liquid As supplied
Specific gravity 1.0 Typical
Flash point 90 deg C Typical
On-part life 30 min Treated surface

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