Applications

OCTITE ABLESTIK ABP 8037TI – Die attach adhesive – Silver-filled, high thermal/electrical conductivity for advanced substrates

Item Name: LOCTITE ABLESTIK ABP 8037TI
Manufacturer: Henkel
Technologies: Acrylate
Color: Silver paste
Cure Type: Heat cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 month

1. Product Overview

LOCTITE ABLESTIK ABP 8037TI is a silver-filled acrylate adhesive formulated for high-reliability die attach applications. With 82% silver filler, it offers excellent electrical and thermal conductivity, strong adhesive performance, hydrophobicity, and stability at elevated temperatures. The material is ideal for attaching integrated circuits and components to metal leadframes and advanced substrates, including silver-plated copper and NiPdAu preplated leadframes.

2. Applications

  • Die attach on a wide variety of metals and ceramic surfaces

  • Attachment of ICs and components on silver-plated copper and preplated leadframes

  • High thermal and electrical conductivity assemblies requiring reliable performance

3. Typical Properties

Property Unit Still Not Mixed After Mixed
Thixotropic Index (0.5/5 rpm) 5.8
Viscosity, Brookfield HA, 25°C, Spindle 51, 5 rpm mPa·s (cP) 11,000
Work Life @ 25°C hours 24
Shelf Life @ -40°C days 365
Cure Schedule 30 min ramp to 175°C, hold 30 min @175°C Alternate: 30 min ramp to 150°C, hold 30 min @150°C
Coefficient of Thermal Expansion, below Tg ppm/°C 62
Coefficient of Thermal Expansion, above Tg ppm/°C 94
Glass Transition Temperature (Tg) °C 46
Thermal Conductivity W/(m·K) 4.1
Young’s Modulus (E) @ -65°C N/mm² (psi) 8,400 (1,218,317)
Young’s Modulus (E) @ 25°C N/mm² (psi) 5,900 (855,722)
Young’s Modulus (E) @ 100°C N/mm² (psi) 4,100 (594,654)
Young’s Modulus (E) @ 150°C N/mm² (psi) 2,900 (420,609)
Young’s Modulus (E) @ 200°C N/mm² (psi) 1,600 (232,060)
Young’s Modulus (E) @ 250°C N/mm² (psi) 1,300 (188,549)
Young’s Modulus (E) @ 300°C N/mm² (psi) 1,700 (246,564)
Extractable Ionic Content @100°C ppm Cl- 10, Na+ 20, K+ 1
Volume Resistivity ohm·cm 6.00×10⁻⁵
Die Shear Strength 120×120 mil Ag/Cu LF @25°C Kg 17.6
Die Shear Strength 120×120 mil Ag/Cu LF @270°C Kg 7.4
Die Shear Strength 120×120 mil Si on PPF LF @25°C Kg 17.5
Die Shear Strength 120×120 mil Si on PPF LF @270°C Kg 6.9

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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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