Harden

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Harden

1. To secure a computer system to make it more likely to withstand an attack from a hacker.

2. See: Hard asset.
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References in periodicals archive ?
So far, there are rare reports about aminated lignin being as a hardener of epoxy resin in this field [20].
All of the hardeners show a positive potential and the AEH shows a negative potential.
In summary, homogenous dispersion of EB in suitable epoxy hardeners by our approach is promising as a replacement for the hexavalent chromates as a corrosion inhibitor for steel alloys.
In case of excess of ferrosilicon, the whole vanadium in the produced hardener binds into silicides, that causes increase of weight share of silicon in the metal.
New Hardeners for 2K Epoxy Systems"--Gerald Vandezande, Dow Coating Materials
The eight clearcoat systems are differing in matrices (polyacrylate polyol PAP or polyester polyol PEP), stabilizers (with or without HALS) and hardeners (HDI, HDI/IPDI blocked or not blocked).
In every resin combination, the equivalent ratio of epoxy resin to hardener is 1:1 (mol).
Broad line of epoxy hardeners and catalysts offered, including aliphatic polyamines, aliphatic and aromatic polyamine adducts, anhydrides and polyamides.
Horn distributes DOW(TM) epoxy resins and hardeners that go into various products and industries, including: aerospace applications, fiberglass panels, paints, varnishes, flooring coverings and coatings, boat building, wood fabrication and many more.
6) hardeners dental impression material (20 Bottle)
The Z-Guard silicone walkway is a dispersion of silicone rubber, organic hardeners, and quartz aggregates.
Formulated for the rapid production of tough, thermoplastic-like prototypes and short-run parts with excellent UV stability, says Vantico, RP6463 R PUR resin and either RP63H Slow or RP 6463H Fast hardeners produce crystal-clear parts from 1-inch thick (fast system) to 2-3 inches thick (slow system) with a room-temperature demold time of 4 to 16 hours (depending upon which hardener or hardener combination is used).