LOCTITE ABLESTIK 2100A

Harmonization Code : 3506.91.90.99 | 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 ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

LOCTITE ABLESTIK 2100A

Main features

  • Fast cure
  • High hot/wet adhesion
  • Ultra low moisture absorption

Product Description

LOCTITE ABLESTIK 2100A die attach adhesive is designed for Pb-free array packaging. This product is able to withstand the high reflow temperatures necessary for Pb-free solders @260°C. It is the "Go To" product for conductive laminate.

LOCTITE ABLESTIK 2100A is a low stress, low bleed conductive die attach with ultra low moisture absorption, suitable for laminate packages like BGA and die sizes up to 12.7 x 12.7 mm

Cure Schedule

  • 30 minute ramp to 175°C + 15 minutes @ 175°C

 

Product Family

2100A

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TDS, SDS & Technical Documents
  • LOCTITE ABLESTIK 2100A
    English (Technical Data Sheet (TDS))
  • LOCTITE ABLESTIK 2100A known as Ablebond 2100A (34g), NL-MSDS_UT_NL (1)
    Dutch (Safety Data Sheet (SDS))
  • LOCTITE ABLESTIK 2100A known as Ablebond 2100A (34g), NL-MSDS_UT_EN
    English (Safety Data Sheet (SDS))

Technical Specifications

General Properties
Work life @25°C Work life @25°C
24 hours
Thermal Properties
Glass Transition Temperature (Tg) Glass Transition Temperature (Tg)
60 °C
Thermal Conductivity Thermal Conductivity
1.2 W/m.K
Electrical Properties
Volume Resistivity Volume Resistivity
0.05 Ohms⋅cm
Physical Properties
Thixotropic index Thixotropic index
5.3
Viscosity Viscosity
9,000 mPa.s

Additional Information

ABP 2100A is containing a PFAS anti-bleed agent and will be discontinued as Henkel moves towards greener materials. The direct PFAS-free replacement is ABP 2100ANP, with only minor changes. Notification is planned for January 2026, with the last-time-buy in December 2026.

Loctite Ablestik 2100A is a product that is an almost direct alternative to Loctite Ablestik 2000B.

Loctite Ablestik 2000B is also a conductive die attach for laminates that it is mainly used in Asian regions. For EMEA we have successfully used 2100A as a drop in for use in BGA laminate applications with great success rates.



Ablestik 2100A DSC Curve - Heat flow vs temperature



Notice how the Onset of cure (minimum cure temperature) is about 70°C. Even though we suggest curing at 175°C, as with all products you can adjust the cure schedule (with a lot of trial, error and personal work) according to your final application properties. 

The volume resistivity may be reduced when curing below 175°C (compared to the TDS value), but we expect that some conductivity will be developed.

 

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