Technical Data Sheet Multicore Cored Solder Wire Flux X39 April 2004 NO CLEAN CORED SOLDER WIRE FLUX FLUX PROPERTIES TEST RESULT Properties of Multicore X39 solid flux for cored solder Acid value 215-230mg KOH/g wires: Halide content Zero No clean Copper mirror Pass Low residue Chromate paper Pass Eliminates cost of cleaning Corrosion J-STD-004 Pass Halide free Test IPC-SF-818 Pass (10 days) Non-corrosive formulation BS 5625 Pass Negligible residues DTD 599A Pass DIN 8516 Pass Fast Soldering on copper and brass JIS-Z-3197 Pass PRODUCT RANGE Multicore X39 cored wires are manufactured as standard SPECIAL PROPERTIES with a nominal flux content of 1%. The uncleaned residues PASS SIR testing to the Bellcore Multicore X39 cored wires are available in a variety of TR-NWT-000078 issue 3 (December 1991) and IPC Class alloys conforming to J-STD-006 and EN 29453 or alloys 1,2 and 3 protocols. They also pass the electromigration conforming to similar national or international standards. test specified by Bellcore TR-NWT-000078. For details refer to document Properties of Alloys used in Cored Solder Wires . A wide range of wire diameters is BELLCORE TR-NWT-000078 ISSUE 3 available. SIR TEST RESULTS ON UNCLEANED COMBS Test conditions 35C, 85% RH TECHNICAL SPECIFICATION Test time, h 24 96 Surface insulation A full description of test methods and detailed test results 11 11 resistance, ohms 3.17 x 10 3.52 x 10 are available on request. 11 Passmark, ohms - 10 Alloys: The alloys used for Multicore flux cored solder wires conform to the purity requirements of the common IPC-SF-818 national and international standards. A wide range of wire SIR TEST RESULTS ON UNCLEANED COMBS diameters is available manufactured to close dimensional Test conditions 85C, 85% RH tolerances. For details refer to document Properties of Test time, h 0 24 96 168 Alloys used in Cored Solder Wires . Surface insulation 12 9 9 9 1.63 x 10 1.68 x 10 3.37 x 10 3.43 x 10 resistance, ohms Flux: Multicore X39 solid flux is based on modified rosins 8 8 8 Passmark, ohms - 10 10 10 and halide free carboxylic acid activators. In use it has a mild rosin smell and leaves a small quantity of clear BELLCORE TR-NWT-000078 ISSUE 3 residue. It may be classified as RO L0 according to J-STD- ELECTROMIGRATION TEST RESULTS ON UNCLEANED COMBS 004 (January 1995), LR3CN according to IPC-SF-818 or Test conditions 85C, 85% RH DIN F-SW32 according to DIN 8511. It meets the Test time, h 96 500 requirements of Bellcore TR-NWT-000078 issue 3 Bias, V (DC) No bias 10 (December 1991). Surface insulation 9 9 1.16 x 10 5.43 x 10 resistance, ohms 9 9 Unfluxed control, ohms 5.09 x 10 8.91 x 10 NOT FOR PRODUCT SPECIFICATIONS THE TECHNICAL INFORMATION CONTAINED HEREIN ARE INTENDED AS REFERENCE ONLY: PLEASE CONTACT HENKEL TECHNOLOGIES FOR ASSISTANCE AND RECOMMENDATIONS ON SPECIFICATIONS FOR THIS HENKEL LOCTITE ADHESIVES LTD. , KELSEY HOUSE, WOODLANE END. HEMEL HEMPSTEAD HERTFORDSHIRE HP2 4RQ UK TEL +44 1442 233 233 FAX +44 1442 269 554 RECOMMENDED OPERATING CONDITIONS HEALTH AND SAFETY Soldering iron: Good results should be obtained using a range of tip temperatures. However, the optimum tip temperature and WARNING: The following information is for guidance only and heat capacity required for a hand soldering process is a function users must refer to the Material Safety Data Sheets relevant to of both soldering iron design and the nature of the task and care specific Multicore X39 products before use. should be exercised to avoid unnecessarily high tip temperatures for excessive times. A high tip temperature will increase any Health Hazards and Precautions: Inhalation of the flux fumes given tendency to flux spitting and it may produce some residue off during soldering should be avoided. The fumes are irritating to the darkening. throat and respiratory system. Prolonged or repeated exposure to rosin or modified rosin based flux fumes may lead to the development The soldering iron tip should be properly tinned and this may be of respiratory sensitisation and occupational asthma. achieved using Multicore cored wire. Severely contaminated Multicore solder wires must always be used with suitable fume soldering iron tips should first be cleaned and pre-tinned using extraction equipment to remove fumes from the breathing zone of Multicore Tip Tinner/Cleaner TTC1, then wiped on a clean, damp operators and the general work environment. sponge before re-tinning with Multicore cored wire. Solder alloys containing lead give off negligible fume at normal soldering temperatures up to 500C. Soldering process: Multicore cored wires contain a careful Normal handling of lead alloy wires will not cause lead to be balance of resins and activators to provide clear residues, absorbed through the skin. The most likely route of entry is maximum activity and high residue reliability, without cleaning in through ingestion but this will not be significant if a good standard most situations. To achieve the best results from Multicore solder of personal hygiene is maintained. Eating, drinking and smoking wires, recommended working practices for hand soldering should should not be permitted in the working area. Hands should be be observed as follows: washed with soap and warm water after handling solder wire. Apply the soldering iron tip to the work surface, ensuring that it simultaneously contacts the base material and the Waste disposal: Wherever possible, waste solder wire should component termination to heat both surfaces adequately. be recycled for recovery of metal. Otherwise it should be This process should only take a fraction of a second. disposed of according to local or national regulations. Apply Multicore flux cored solder wire to a part of the joint surface away from the soldering iron and allow to flow Note sufficiently to form a sound joint fillet this should be The data contained herein are furnished for information only and virtually instantaneous. Do not apply excessive solder or are believed to be reliable. We cannot assume responsibility for heat to the joint as this may result in dull, gritty fillets and the results obtained by others over whose methods we have no excessive or darkened flux residues. control. It is the user s responsibility to determine suitability for the user s purpose of any production methods mentioned herein Remove solder wire from the work piece and then remove and to adopt such precautions as may be advisable for the the iron tip. protection of property and of persons against any hazards that The total process will be very rapid, depending upon thermal may be involved in the handling and use thereof. In light of the mass, tip temperature and configuration and the solderability of foregoing, Henkel Corporation specifically disclaims all the surfaces to be joined. warranties expressed or implied, including warranties of merchantability or fitness for a particular purpose, arising Multicore flux cored solder wires provide fast soldering on copper from sale or use of Henkel Corporations products. Henkel and brass surfaces as well as solder coated materials. The good Corporation specifically disclaims any liability for thermal stability of Multicore fluxes means they are also well consequential or incidental damages of any kind, including suited to soldering applications requiring high melting temperature lost profits. The discussion herein of various processes or alloys. compositions is not to be interpreted as representation that they Cleaning: Multicore X39 flux cored wires have been formulated are free from domination of patents owned by others or as a to leave minimal quantities of flux residue and to resist spitting license under any Henkel Corporation patents that may cover and fuming. such processes or compositions. We recommend that each Cleaning will not be required in most situations but if necessary prospective user test his proposed application before repetitive this is best achieved using Multicore MCF800 Cleaner (see use, using this data as a guide. This product may be covered by separate technical data sheet). Other proprietary solvent or semi- one or more United States or foreign patents or patent aqueous processes may be suitable. Saponification may be applications. viable but customers must ensure that the desired level of cleanliness can be achieved by their chosen system NOT FOR PRODUCT SPECIFICATIONS THE TECHNICAL INFORMATION CONTAINED HEREIN ARE INTENDED AS REFERENCE ONLY: PLEASE CONTACT HENKEL TECHNOLOGIES FOR ASSISTANCE AND RECOMMENDATIONS ON SPECIFICATIONS FOR THIS HENKEL LOCTITE ADHESIVES LTD. , KELSEY HOUSE, WOODLANE END. HEMEL HEMPSTEAD, HERTFORDSHIRE HP2 4RQ, UK, TEL. +44 1442 233 233, FAX +44 1442 269 554 All trademarks, except where noted, are the property of Henkel Corp. U.S.A