2041006 Datasheet 2041005, 2041006 | P1-P3

Technical Data Sheet

LOCTITE GC 3W

January-2016

PRODUCT DESCRIPTION

LOCTITE GC 3W provides the following product characteristics:

Technology Solder paste

Application Pb-free soldering, Halogen-free, Water

Washable flux

LOCTITE GC 3W is a halogen free, water-washable, Pb-free solder

paste specially formulated to provide excellent humidity resistance.

LOCTITE GC 3W shows excellent solderability when reflowed in both

air and nitrogen across a wide range of challenging surface finishes

including OSP-Cu, ENIG and Silver.

FEATURES AND BENEFITS

● Water washable, Pb-free solder paste

● Halogen-free flux: passes IC with pretreatment IPC-TM-650

2.3.34/EN14582

● Halogen-free flux classification: ORM0 to ANSI/J-STD-004 Rev.

● Formulated so residues can be cleaned with deionized water

● Humidity resistance: excellent coalescence after 24 hours

exposure to 27°C/80% RH

● Excellent resistance to solder balling, initially and after exposure

to humidity

● Suitable for fine pitch, high speed printing up to 150 mms

-1

(6"/s)

● Excellent paste transfer efficiency after extended abandon times

● Excellent paste transfer efficiency after extended printing time

● Humidity Resistance: Enhanced tack time

● Suitable for single and double side reflow

TYPICAL PROPERTIES

Solder Powder

Careful control of the atomisation process for production of solder

powders for LOCTITE GC 3W solder pastes ensures that the solder

powder is produced to a quality level that exceeds J-STD-006, EN

29453 requirements for sphericity, size distribution, impurities and

oxide levels.

Minimum order requirements may apply to certain alloys and powder

sizes, for availability contact your local technical service helpdesk.

All solder powders are RoHS compliant.

Particle Size Distribution (PSD) (J-STD-005A)

Type 3 Powder

Powder Description T3

Powder Particle Size Distribution 25 to 45 µm

Henkel Former Description AGS

Type 4 Powder

Powder Description T4

Powder Particle Size Distribution 20 to 38 µm

Henkel Former Description DAP

Solder Alloy (J-STD 006)

LOCTITE Code SAC305

Henkel Former Description 97SC

Melting Point (ºC) 217

Solder Paste Typical Properties

Based on Type 3 powder

Metal Content, % 89.5

Brookfield Viscosity @ 25ºC, mPa.s

Spindle TF, Speed 5 rpm, after 2 minutes

595,000

Malcom Viscosity @ 25 °C, Pa.s

Speed 10 rpm

150

Thixotropic Index (Ti)

Ti = log (1.8/18 s

-1

)

0.45

Useful stencil life, hours >24

IPC Slump , mm

25ºC, 15 minutes

0.33 x 2.0 mm pads

0.63 x 2.0 mm pads

0.2

0.33

IPC Slump , mm

182ºC, 15 minutes

0.33 x 2.0 mm pads

0.63 x 2.0 mm pads

0.2

0.33

Based on Type 4 powder

Metal Content, % 89.5

Brookfield Viscosity @ 25 °C, Pa-s

Spindle TF, speed 5 rpm, after 2 minutes

784,000

Malcom Viscosity @ 25 °C, Pa.s

Speed 10 rpm

180

Thixotropic Index (Ti)

Ti = log (1.8/18 s

-1

)

0.48

Useful stencil life, hours >24

IPC Slump , mm

25°C, 15 minutes

0.33 x 2.0 mm pads

0.63 x 2.0 mm pads

0.2

0.33

IPC Slump , mm

182°C, 15 minutes

0.33 x 2.03 mm pads

0.63 x 2.03 mm pads

0.2

0.33

DIRECTIONS FOR USE

Printing:

● Printing at speeds up to 150 mm.s

-1

(6”/s) can be achieved using

typical stencils and metal squeegees.

● Sufficient pressure should be applied to achieve a clean wipe of

the stencil topside surface.

● Under laboratory conditions acceptable print quality on 0.5 mm

ball devices and 0.4 mm QFP patterns has been achieved after

printer down times of 4 hours without requiring a knead cycle.

TDS LOCTITE GC 3W, January-2016

Reflow:

● Reflow has been assessed using a typical convection reflow

oven.

● Optimal aerobic reflow can be achieved by ramping to a peak

temperature of 225 to 250ºC at 0.8 to 1.5ºC/second and with a

soak above the reflow temperature (217ºC) for 20 to 50 seconds.

● Example profiles that have shown good performance- for reflow

and subsequent cleaning- are presented below. Reflow soldering

can also be carried out in a nitrogen atmosphere.

Cleaning:

● The post-soldering residues of LOCTITE GC 3W solder paste

must be removed by cleaning.

● Cleaning can be performed using spray in air/ spray under

immersion or ultrasonic cleaning methods.

● The post-soldering residues are designed to be removed from

assemblies in an aqueous cleaner without the use of rinse aids

and/or saponifiers, typically using water at 40 to 60ºC with

deionized water for the final rinse.

RELIABILITY PROPERTIES

Flux Properties:

LOCTITE GC 3W contains a stable water-washable resin system and

slow evaporating solvents

Test Specification Results

Flux Corrosion J-STD004B (2.6.15C) Pass

Copper Mirror J-STD004B (2.3.32D) Pass

(cleaned)

Surface Insulation

Resistance (SIR)

J-STD004B (2.6.3.7) Pass

(cleaned)

J-STD004B (2.6.3.3) Pass

(cleaned)

Electromigration (ECM) J-STD004B (2.6.14.1) Pass

Flux Activity Classification J-STD004B ORM0

PACKAGING

LOCTITE GC 3W is available in 500 gram jars and 600 grams Semco

cartridge .

Storage:

Optimal storage: 0 to 25ºC ± 1.5°C (32 to 77ºF ± 1.5ºF)

Storage information may be indicated on the product container

labelling. Material removed from containers may be contaminated

during use. Do not return products to the original container. Henkel

Corporation cannot assume responsibility for product that has been

contaminated or stored under conditions other than those previously

indicated. If additional information is required, please contact your

local Technical Service Center or Customer Service Representative.

Shelf Life:

Provided LOCTITE GC 3W is stored tighly sealed in the original

container at 0 to 25°C ± 1.5°C (32 to 77ºF ± 1.5ºF), a minimum shelf

life of 180 days can be expected.

DATA RANGES

The data contained herein may be reported as a typical value and/or a

range. Values are based on actual test data and are verified on a

periodic basis.

GENERAL INFORMATION

For safe handling information on this product, consult the

Material Safety Data Sheet (MSDS).

Not for Product Specifications

The technical information contained herein is intended for reference

only. Please contact Henkel Technologies Technical Service for

assistance and recommendations on specifications for this product.

Conversions

(°C x 1.8) + 32 = °F

kV/mm x 25.4 = V/mil

mm / 25.4 = inches

µm / 25.4 = mil

N x 0.225 = lb

N/mm x 5.71 = lb/in

N/mm² x 145 = psi

MPa x 145 = psi

N·m x 8.851 = lb·in

N·m x 0.738 = lb·ft

N·mm x 0.142 = oz·in

mPa·s = cP

Disclaimer

Note:

The information provided in this Technical Data Sheet (TDS) including the

recommendations for use and application of the product are based on our

knowledge and experience of the product as at the date of this TDS. The product

can have a variety of different applications as well as differing application and

working conditions in your environment that are beyond our control. Henkel is,

therefore, not liable for the suitability of our product for the production processes

and conditions in respect of which you use them, as well as the intended

applications and results. We strongly recommend that you carry out your own

prior trials to confirm such suitability of our product.

Any liability in respect of the information in the Technical Data Sheet or any other

written or oral recommendation(s) regarding the concerned product is excluded,

except if otherwise explicitly agreed and except in relation to death or personal

injury caused by our negligence and any liability under any applicable mandatory

product liability law.

In case products are delivered by Henkel Belgium NV, Henkel Electronic

Materials NV, Henkel Nederland BV, Henkel Technologies France SAS and

Henkel France SA please additionally note the following:

In case Henkel would be nevertheless held liable, on whatever legal ground,

Henkel’s liability will in no event exceed the amount of the concerned delivery.

In case products are delivered by Henkel Colombiana, S.A.S. the following

disclaimer is applicable:

The information provided in this Technical Data Sheet (TDS) including the

recommendations for use and application of the product are based on our

knowledge and experience of the product as at the date of this TDS. Henkel is,

therefore, not liable for the suitability of our product for the production processes

and conditions in respect of which you use them, as well as the intended

applications and results. We strongly recommend that you carry out your own

prior trials to confirm such suitability of our product.

Any liability in respect of the information in the Technical Data Sheet or any other

written or oral recommendation(s) regarding the concerned product is excluded,

except if otherwise explicitly agreed and except in relation to death or personal

injury caused by our negligence and any liability under any applicable mandatory

product liability law.

Americas Europe Asia

+1.888.943.6535 +32.1457.5611 +86.21.3898.4800

For the most direct access to local sales and technical support visit:www.henkel.com/electronics

TDS LOCTITE GC 3W, January-2016

In case products are delivered by Henkel Corporation, Resin Technology

Group, Inc., or Henkel Canada Corporation, the following disclaimer is

applicable:

The data contained herein are furnished for information only and are believed to

be reliable. We cannot assume responsibility for the results obtained by others

over whose methods we have no control. It is the user's responsibility to

determine suitability for the user's purpose of any production methods mentioned

herein and to adopt such precautions as may be advisable for the protection of

property and of persons against any hazards that may be involved in the handling

and use thereof. In light of the foregoing, Henkel Corporation specifically

disclaims all warranties expressed or implied, including warranties of

merchantability or fitness for a particular purpose, arising from sale or use

of Henkel Corporation’s products. Henkel Corporation specifically

disclaims any liability for consequential or incidental damages of any kind,

including lost profits. The discussion herein of various processes or

compositions is not to be interpreted as representation that they are free from

domination of patents owned by others or as a license under any Henkel

Corporation patents that may cover such processes or compositions. We

recommend that each prospective user test his proposed application before

repetitive use, using this data as a guide. This product may be covered by one or

more United States or foreign patents or patent applications.

Trademark usage

Except as otherwise noted, all trademarks in this document are trademarks of

Henkel Corporation in the U.S. and elsewhere.

denotes a trademark

registered in the U.S. Patent and Trademark Office.

Reference 0.2

Americas Europe Asia

+1.888.943.6535 +32.1457.5611 +86.21.3898.4800

For the most direct access to local sales and technical support visit: www.henkel.com/electronics

P1-P3

2041006

Mfr. #:

Buy 2041006

Manufacturer:

Description:

LOCTITE GC 3W SAC305T3 895V 53U

Lifecycle:

New from this manufacturer.

Delivery:

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2041006

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