LOCTITE GC 18

Harmonization Code : 8001.20 | Unwrought tin: Tin alloys

LOCTITE GC 18

Main features

  • SAC 305 - No refrigeration
  • Low voiding
  • Stencil Printable

Product Description

LOCTITE GC 18 is a halogen free, no-clean, low voiding, Pb-free, SAC305 solder paste specially formulated to provide low voiding when soldering Bottom-Terminated Components (BTC- QFN, DPAK and LGA). This material is a room temperature paste, designed to enhance stability in stencil printing applications.

LOCTITE GC 18 offers less than 25% voiding across small and large BTC with an IPC Class III voiding for BGA/CSP. It has good resistance to graping (the appearance of unreflowed solder particles on top of the solder mass) in demanding reflow profiles, excellent humidity resistance and minimal slump at room temperature and up to 190°C.

LOCTITE GC 18 offers stable on-stencil viscosity for improved printing consistence and great reliability, passing SIR and ECM independent of reflow profiles. It leaves pin-testable post-reflow residues after four reflow cycles, is compatible with approved encapsulant technologies and  RoHS and EICC compliant.

Product Family

GC18

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TDS, SDS & Technical Documents
  • LOCTITE GC 18
    English (Technical Data Sheet (TDS))
  • LOCTITE GC 18 SDS
    English (Safety Data Sheet (SDS))

Technical Specifications

General Properties
Alloy Type Alloy Type
SAC305
Physical Properties
Thixotropic index Thixotropic index
0.5
Viscosity Viscosity
250000 mPa.s

Additional Information

Storage:
Optimal storage: 5 to 25°C (41 to 77°F)
Please refer to the LOCTITE GC 18 Handling Guideline for further information on storage conditions.


Shelf Life:
Provided that LOCTITE GC 18 is stored in the original container, shelf life of 180 days at 5 to 25 ̊C (41 to 77°F) can be expected.

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