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High-temperature nylon handles lead-free solder.


A new high-temperature nylon withstands 250 to 260 C for lead-free soldering of circuit-board assemblies, which is 20[degrees] to 30[degrees] C hotter than for conventional lead soldering. The Zytel HTN HTN Hypertension
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 LX series from DuPont Engineering Polymers, Wilmington, Del., is said to withstand higher peak reflow (1) The process of heating and melting the solder that has been screen printed onto a printed circuit board in order to bond chips and other components to the board. Surface mount chips (SMT) use the reflow method. Contrast with wave soldering. See also reflowable text.  temperatures than other nylon 6T grades or nylon 46. In tests of actual connectors, the LX series was reportedly tougher than nylon 9T (Kuraray's Genestar) or PPS (Packets Per Second) The measurement of activity in a local area network (LAN). In LANs such as Ethernet, Token Ring and FDDI, as well as the Internet, data is broken up and transmitted in packets (frames), each with a source and destination address.  and had greater weld strength than those materials or other nylon 6T resins. The new material also boasts better flow than competitive materials and produces fully crystallized crys·tal·lize also crys·tal·ize  
v. crys·tal·lized also crys·tal·ized, crys·tal·liz·ing also crys·tal·iz·ing, crys·tal·liz·es also crys·tal·iz·es

v.tr.
1.
 parts in water-heated tooling. LX resins contain 20% to 45% glass and have a UL 94V-0 rating. Tel: (800) 441-0575 * PTDirect: 412SX
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Title Annotation:Materials
Publication:Plastics Technology
Date:Jan 1, 2005
Words:123
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