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LOCTITE ECCOBOND 931-1T1N1

Harmonization Code : 3506.10.00.00 |   Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg
Main features
  • Low viscosity
  • Low temperature cure
  • Extraordinary adhesion

Product Description

LOCTITE® ECCOBOND 931-1T1N1 die attach adhesive is designed for smart card applications. This clear, low viscosity epoxy develops extraordinary adhesion on substrates such as glass, Alumina, Ferrite, Aluminum and steel after a low temperature cure. It has low ionics and is fairly stable when exposed to printing inks. 

LOCTITE® ECCOBOND 931-1T1N1 is used as a die attach for smartcards to bond the wire bonded module onto the plastic card using low temperature cure. It's also being used in multiple bond lines, in assembling inkjet and thermal printer heads, for die attach and for assembling several other components (metal, ceramic and some plastics) around the print head.

LOCTITE® ECCOBOND 931-1T1N1 is fairly transparent at least in thin layers, although there is no spec or control over the optical properties. It is an epoxy, so becomes more yellow on aging at high temperature. It is very reactive, with short work life & critical storage conditions. It is corrosive and a strong skin sensitizer, so should be kept away from skin & eyes. And in pre-mixed form it is strongly exothermic. The SADT temperature is low, so it cannot be transported by air, and there are severe restrictions on shipping by road & sea. Having said that, it fully makes up for those with its end properties and for special applications it can make a difference.

Cure Schedule

  • 2 hours @ 100°C
  • 2 hours @ 60°C
Product Family
931-1T1N1  
55cc Syringe 191gr Twinpak 30cc Syringe

Catalog Product

Unlike other products we offer, the products listed on this page cannot currently be ordered directly from the website.
Shipping in 8 - 12 weeks Shipping in 8 - 12 weeks

Technical Specifications

General Properties
Pot Life
Pot Life
Pot life is the amount of time it takes for the viscosity of a material to double (or quadruple for lower viscosity materials) in room temperature after a material is mixed.

It is closely related to work life but it is not application dependent, less precise and more of a general indication of how fast a system is going to cure.
2 hours
Work life @25°C
Work life @25°C
Work life is the amount of time we have to work with a material until it is no longer able to be easily worked and applied on a substrate.

It is based on the change in viscosity and it can rely on the application requirements.
4 hours
Shelf Life
Shelf Life
Shelf life is the amount of time after manufacturing that a product is guaranteed to retain its properties.

It differs vastly per product and it is based on temperature and storage conditions.

The properties can be guaranteed for the temperature and time range indicated on the TDS since those are the ones tested to be the best for the product.
Shelf Life @ -40°C 365 days
Mechanical Properties
Hardness
Hardness
Hardness is a dimensionless quantity. There is no direct relationship between measurements in one scale and their equivalent in another scale or another hardness test.
Durometer (Shore D) 88
Viscosity
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
Thixotropic index
Thixotropic index
Thixotropic Index is a ratio of a material s viscosity at two different speeds in Ambient temperature, generally different by a factor of ten.

A thixotropic material s viscosity will decrease as agitation or pressure is increased. It indicates the capability of a material to hold its shape. Mayonnaise is a great example of this. It holds its shape very well, but when a shear stress is applied, the material easily spreads.

It helps in choosing a material in accordance to the application, dispense method and viscosity of a material.
2.8
Viscosity 2,400 mPa.s