G4G9 lampbeadsencapsulation adhesivesealantG4G9 glue
Product description:
QK-6852-2by the A agent andBagent,which belongs to the 1.42refractive indexsilica gel,particularly suitable forcorn lightpotting,product transparency,rows offoam,curingcycle short,demoulding,high and low temperature resistanceand good effect.
Technical parameters:
AB
Before curingappearance colorless transparentliquidcolorless transparent liquid
The viscosity of 1200cps6000cps
The mixed proportion of 1:1
Mixedviscosity of 3500cps
The curing conditionsof 80 ℃+150℃ /30minutes/30 minutes
Mixedtime available for>5 hours
After curingtransparent appearance
The hardness of 55A
A refractive index of 1.42
Guidelines on the use of:
1 A,Btwo groupspidedaccording to the mass ratio of 1:1to use,recommended operatingproductionin drydust-freeenvironment.
2planetarygravity mixer(since therevolutionstirring defoamingmachine)can be evenly mixedglue,orvacuumat room temperatureto 100Padegreescan be usedto removeair bubbles.
3pointbefore themoldsprayed with release agent,inplastic injectionbefore,pleaseput cornlampat 150 ℃preheated 30minutes aboveexcept tide,as soon as possible in thelightnot reabsorption of moisturebeforedispensing.
4after glue injectionsample should beplacedat room temperaturefor 30 minutes,until nobubble.
5in 80℃oven for 30minutes,then immediatelytemperature150 ℃ for30 minutescan becompletely cured,and thendie.
6without the use ofglueinto the clean,airtight containers,placed on thetablefor convenient use.
Cornlamp packageglue,G4G9 cornlamppackaging adhesive,molding plushigh index G4G9 cornlamppackaging adhesive
Matters needing attention:
1 QK-6852-2ABplussilicone,temperaturehas great influence on thecuring rate,adhesiveshould pay attention tothe speed and time of stirringmachine,controltemperature should not exceed 35℃.
2 QK-6852-2ABaddition siliconeelastomer,shouldavoid contact withN,P,S,alkynes anddienes andlead,tin,cadmium,mercuryand heavy metals,in order to preventhardeningof incomplete ornothardened,bysealingsurfacemust becleanbeforeinpotting.
3silica gelmode of operationis not the same,will producedifferentresults,such asthe bubble,interlayer,degumming,cracked gumphenomenon,pleaseavoid causingfactors,orconsult the relevantpersonnel.
4 the vacuumequipment is bestis an opensystem,andnot with theepoxy resinmixture,lest causecuringobstacles,the idealis to set up anorganicsilica geldedicatedproduction line.
5need to use themixing containerfor silica gelandstir bar,wearing rubber glovestoavoidcontact withsilica gel.
6 forsiliconeis not easy todefoamingsake,involved inplastic injectionof gasorclearancetimedifferenceproduces bubbles,pleasestart from room temperaturestageheatingto helppurge bubble.
