Sncuinagsbbiznfealascd99.3±0.10.7±0.1< 0.01< 0.0001< 0.02< 0.01< 0.005< 0.02< 0.02< 0.03< 0.002the Sn99.3cu0.7 Lead Free Solder Bar Is Made Up Of 99.7% Tin And 0.7% Copper. It Is Desirable For Use In Common Metal Equipment, Copper Tubes, And Copper Plates. This Product Is A Conventional Type Of Environmentally-friendly Solder By Adoption Of Lead-free Soldering Technology.as A Typical Type Of High-temperature Lead Free Tin Bar, Our Sn99.3cu0.7 Lead Free Solder Has The Melting Point Of Approximately 227 Degrees Celsius. It Is Suitable For Both Wave Soldering And Dip Soldering Processes, Which Call For Environmental Protection. During The Soldering Process, This Product Features Nice Liquidity. It Can Substantially Reduce Various Technical Problems, Such As Bridging, Icicle, Solder Spatter, And More.featureseutectic Alloy.bridge-free And Icicle-free Soldering.smooth, Bright, Well-formed Fillets, Free Of Gross Micro-cracks, Irrespective Of The Cooling Rate.good Through-hole Penetration.good Topside Fillet Formation.dross Rate Equal Or Lower Than Tin-lead Solder.does Not Require A Nitrogen Atmosphere.does Not Erode Copper From Holes, Pads And Tracks.low Rate Of Copper Leaching Makes It Easy To Control The Copper Content Of The Solder Bath.lower Aggressiveness To Stainless Steel And Other Solder Pot Materials As Compared To Tin-silver-copper Alloys.thermal Fatigue Resistance And Creep Strength Better Than Tin-lead.slow, Even Growth Of The Intermetallic Layer At The Solder/substrate Interface.also Performs Well In Selective And Dip Soldering.applicationsdip Soldering Or Wave Soldering Of Electronic Components Such As Pcba, Thtsoldering Of Metals, Such As Copper Roofing Joineryassembly Of Stained Glass, Silver Jewelry Etcother Generally Tinning Purpose....
Huatao group - Corrugator belt & spare partsweb: www.htwirebelt.com www(dot)htwirebelt.com email: [email] maple(at)huataogroup.com tel: 0086 133 8311 0583 whatsapp: 0086 133 8311 0583 product descriptioncassette type single facer provides convenient maintenance and provides quick flute change. the corrugating rolls changing can be accomplished within 10 minutes utilizing a motorized cassette trolley, by which cassette is delivered into the machine and fixed on the base of the machine.features1. maximum mechanical speed is 250m/min.2. the diameter of the corrugating rollers is 380 mm. the diameter of the pressure roller is 520 mm. the diameter of the surfaces of glue roller is 302 mm, the diameter of the doctor roller is 170mm.3. the machine adopts positive pressure air cushion paper guide, with high utilization of heat energy, and good quality of corrugated shaping.4. corrugated roller adopts positive pressure cassette type. it’s under the pressure roller, so as to lower the center of gravity of the machine. it’s smooth when under high-speed operation, and reduces vibration, so it’s more stable and smooth during operation. corrugated roller exchange is saver and faster.5. corrugated roller, pressure roller and glue roller adopts individual driving reduction box, to isolate vibration. the oil immersion lubrication and high precision gear driving ensure stable and reliable during operation.6. corrugated roller sets get in and out hydraulic automatically, so as to exchange different flutes rapidly.7. individual glue section could move out from the main machine, and it’s easy to clean and maintain. an electric glue partition device is provided to give convenient and rapid paper width adjustment. 8. the glue roller has low speed auto-rotate function, so as to avoid the glue dry on the glue roller.9. a frequency conversion motor is used to supply power, realizing stepless speed adjustment and reliable and synchronous interlock with the following devices. the frequency converter used is an international famous brand product with stable and reliable performance and low failure rate....
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