Bonding, Sealing and Coating Solutions for Mobile …

1 bonding , Sealing and Coating Solutionsfor Mobile DevicesAchieving more with lessOur commitment to leadership in sustainability is deeply embedded in our values. With our revised Sustainability Strategy for 2030, we are building on our strong track record. At the same time, we are aiming to address one of the central future challenges: to decouple growth from resource consumption. At the heart of this strategy is therefore the simple, yet challenging, ambition: to achieve more with less. It aims to create more value for our customers, consumers, communities and the company alike, while simultaneously reducing the environmental offers complete engineering services for projects demanding expertise and support beyond the limits of standard technical services. Our engineers provide the following value-added services. On-site engineering assistance and consultation Joint product development programs Contract lab services and testing Prototype testing Custom formulationsEngineering Services2 | bonding , Sealing and Coating Solutions for Mobile DevicesWe are the world s most trusted provider of bonding , Sealing and Coating enable innovative designs, improve productivity and reduce costs for handheld devices and THE pErfEcT parTnErSHip for dESign, EnginEEring and innovaTionYou and Loctite >>globalcapabilitiesWe are the global technology leader with extensive network to support customers value chain.

2 DesignpartnershipOur large experienced team of engineers provide documented design and application SupportOur professional engineering support empowers our customers to improve their quality and & Sustainable SolutionsWe enable customers innovation to meet fast design changes and development with green Saving & reliabilityOur superior adhesives and equipment improve productivity, durability andreduce overall , Sealing and Coating Solutions for Mobile Devices | 3applicaTion: Touch panel sensor assemblyproducT: 3195 (Glass Glass)3193HS/5192 (Glass Plastic) applicaTion: Direct bondingproducT: 3196 & 3195DM, 5192 & 5192 DMBEnEfiTS: Optical clarity with high bonding strength Eliminate air bubbles during lamination Flexible with low corrosion LCD compatibleapplicaTion: Logo bondingproducT: 3541/3542, HF8600/HF8000, 4305 BEnEfiTS: High strength Thin bondlines Easy operation and reliabilityapplicaTion: Keypad and side key bondingproducT: 401/770, HF403, HF460, 5055/5056, 3106 BEnEfiTS: High adhesion on flexible and inactive substrates with small bond areas High strength of silicon rubber to plastic / metal Low bloom Fast fixture Easy operation and reliabilityapplicaTion: Cushion / sealingproducT: CIPGBEnEfiTS: Good bonding strength Soft and highly flexibility Reusable and durable Easily processed to high design tolerancesapplicaTion: Anti-scratch coatingproducT: Novacoat BEnEfiTS: Clear Coating for plastic cover Anti-scratch Easy operation and reliabilityapplicaTion: Metal and plastic bondingproducT: HF8600/HF8800/HF8000R, 3542/3572/3580 BEnEfiTS.

3 Structural strength Quick assembly and processing Impact and shear loading resistanceMobile PhoneApplications4 | bonding , Sealing and Coating Solutions for Mobile DevicesapplicaTion: Camera lens bondingproducT: 3541/3542, HF8600/HF8000, 4305 BEnEfiTS: High strength Thin bondlines Easy operation and reliabilityapplicaTion: Speaker assemblyproducT: 3541/3542, Light Cure AdhesiveBEnEfiTS: High strength Thin bondlines Easy operation and reliabilityapplicaTion: Battery cell moldingproducT: Macromelt BEnEfiTS: Water tightness Low costs Good thermal resistanceapplicaTion: Plastic / metal trim bondingproducT: 3541/3542/3572, HF8600/HF8800 BEnEfiTS: One part adhesive for structural bonding High strengthapplicaTion: Touch panel / windows bonding to coverproducT: HF8600/HF8800/HF6005, 3542/3572/3573/3580 BEnEfiTS: Structural strength Quick assembly and processing Impact and shear loading resistanceapplicaTion: Overmolding / insertmoldingproducT: OM4501, OM4101 BEnEfiTS.

4 Structural strength Fast fixture with molding process Resist impact and shear loadingBonding, Sealing and Coating Solutions for Mobile Devices | 5locTiTE producTapplicaTionSfEaTurES and BEnEfiTSSuBSTraTES1-part products3542, 3572, 3573, 3580, ME3570 Window to cover Touch panel to cover Good adhesion to plastic, metal, glass and composite Fast fixturing High peel strength High impact strength Very thin bond lines Long open time Wide variety of formulations available Allow automation Chemical resistance PMMA, PC, Glass + PC PMMA, PC, Glass + Metal2-part productsHF8600, HF88001-part products3541, 3542, 3572, ME3570 Bezel to cover Good adhesion to plastic, metal, glass and composite Fast fixturing High peel strength High impact strength Very thin bond lines Long open time Wide variety of formulations available Allow automation Chemical resistance PC + PC Metal (SUS, Al, Mg) + PC Metal + Metal (SUS + SUS, Mg + Mg)2-part productsHF8600, HF88001-part products3542, 3572, ME3570 Battery cover bonding Decoration to cover Good adhesion to plastic, metal, glass and composite Fast fixturing High peel strength High impact strength Very thin bond lines Long open time Wide variety of formulations available Allow automation Chemical resistance PC + PC Metal (SUS, Al, Mg) + PC Metal + Metal (SUS + SUS, Mg + Mg)2-part productsHF8075LV, HF8600, HF8800 Structural bonding Application OverviewMake your devices thinner, lighter and more reliable!

5 6 | bonding , Sealing and Coating Solutions for Mobile DeviceslocTiTE producTapplicaTionSfEaTurES and BEnEfiTSSuBSTraTES1-part products3542, 3572, 3573, 3580, ME3570 Window to cover Touch panel to cover Good adhesion to plastic, metal, glass and composite Fast fixturing High peel strength High impact strength Very thin bond lines Long open time Wide variety of formulations available Allow automation Chemical resistance PMMA, PC, Glass + PC PMMA, PC, Glass + Metal2-part productsHF8600, HF88001-part products3541, 3542, 3572, ME3570 Bezel to cover Good adhesion to plastic, metal, glass and composite Fast fixturing High peel strength High impact strength Very thin bond lines Long open time Wide variety of formulations available Allow automation Chemical resistance PC + PC Metal (SUS, Al, Mg) + PC Metal + Metal (SUS + SUS, Mg + Mg)2-part productsHF8600, HF88001-part products3542, 3572, ME3570 Battery cover bonding Decoration to cover Good adhesion to plastic, metal, glass and composite Fast fixturing High peel strength High impact strength Very thin bond lines Long open time Wide variety of formulations available Allow automation Chemical resistance PC + PC Metal (SUS, Al, Mg) + PC Metal + Metal (SUS + SUS, Mg + Mg)

6 2-part productsHF8075LV, HF8600, HF8800 bonding , Sealing and Coating Solutions for Mobile Devices | 7 > One-part, solvent free > Good adhesion to plastic, metal, glass and composite > Fast fixturing > Very thin bondlines > Long open time > Low cost > Wide variety of formulations availablecharacteristicsloctite pur Hotmeltsloctite c yanoacrylatespSa TapeBond very thin jointsYes, bonds > mmMay flow beyond bond areaCan t bond very thin joints because of die-cutting design limitation, insufficient strengthStrength of bonding plasticVery strongQuite strong but can crackWeak bond, especially in very small areaFills gap caused by parts variationYes, liquid fills gap easilyYes, liquid fills gap easilyNo, tape does not fill these gapsAppearance of bonded edgesVery goodGoodGoodComplete sealYesYesDifficult, depend on design and parts toleranceBonding curved surfacesYesYesNoTotal applied costLow LowHigh (die-cutting cost)Selector GuideLoctite Adhesives Compared to PSA TapeStructural AdhesivesPUR Hotmelt Adhesives Lower overall assembly cost with improved productivity and 3541loctite 3542loctite 3572loctite 3573loctite 3580loctite ME3570 Bond strengthPlastic to plasticVery highHighHighHighHighVery highPlastic to metalHighVery highHighHighHighVery highPlastic to glassModerateVery highVery highVery highHighHighMetal to glassModerateVery highVery highVery highHighHighGap fillMediumMediumHighHighHighHighSpeed of dispense / flow rateFastFastFastFastMediumMediumFixture time * 1 - 2 minutes1 - 2 minutes----Open time *1 - 2 minutes2 - 4 minutes> 4 minutes> 4 minutesUV Control> 4 minutesBead sizeThin* Fixture time and open time.

7 Vary upon the operating environment conditions; high temperatures will lengthen open times, while lower temperatures will shorten open time, and low humidity condition may extend fix time.<Loctite 400D Benchtop Robot Dispense System8 | bonding , Sealing and Coating Solutions for Mobile DevicesStructural AdhesivesUV Pre-activated PUR Hotmelt AdhesivesKey Feature Fast Curing Profile Comparison between Loctite 3580 and Loctite 3542 Dispensing as standard PUR Hotmelt AdhesivesUV exposure to activate adhesiveAssemble parts at a later timeAchieve initial strength 300 600 900 1200 15000 10 20 30 40 50 60 Curing behavior is much changed due to UV activation Much higher initial strength than standard PUR Hotmelt Adhesives Final bonding strength is quite similarRecommended Operation Conditions UV Lamps type: UVA LED Flood System UV light wavelength: UVA 375 nm UV intensity.

8 25 - 75 mW/cm2 Open time suggestion: no longer than 2 minutes for both before & after UV curing (as shorter as good) Assembling tips: UV curing before bonding , curing time: 10 - 60 seconds SOP will be released soon* SS + Glass** bonding strength measured cross-bead push testLoctite 3580 Loctite 3542 Strength (MPa)Strength (MPa)Time (minutes)Time (minutes)23 Light Source1UV Pre-activated PUR Hotmelt AdhesivesBonding, Sealing and Coating Solutions for Mobile Devices | 9 Structural Adhesives2-Part Acrylic Adhesives > 2-part acrylates > Superior shear strength > Excellent impact strength > High temperature / humidity performance > Fast fixture > Halogen-freecharacteristicsloctite Hf8000loctite Hf8025loctite Hf8600loctite Hf8800loctite Hf8075lvMix ratio (A : B)10 : 110 : 12 : 12 : 110 : 1 Shear strength of (psi, 24 H @ RT)2,800(steel)2,800(steel)2,120(steel)2 ,936(cured 20 min @ 80 C plus 24 H @ RT)2,100(steel)Viscosity before mix (cps, 25 C)Part A: 160,000 - 250,000 Part B: 20,000 - 50,000 Part A: 19,200 Part B: 15,200 Part A: 28,130 Part B: 16,035 Part A: 70,000 - 100,000 Part B: 50,000 - 70,000 Working time4 - 8 minutes2 - 4 minutes> 5 minutes2 - 4 minutesStorage temperature2 - 8 C8 - 25 CCuring conditionRoom temperatureLoctite dispensing equipmentLoctite 4530-HC Robot Dispensing SystemLoctite 400D Benchtop Robot (50 ml Dual Cartridge Dispenser)Equipment Selector Guideloctite 4530-Hc robot dispensing Systemloctite 400d 2-part acrylates dispensing robotSemi-automatic dispenser (1 : 1, 2 : 1, 10.)

9 1)Mix nozzleADV (anti-drip valve)NeedleHenkel dedicated technical service provides assembly solution on siteto improve your product & productivity. Design specification and testing Process set up and optimization Application equipment and system integrationLoctite Structural Adhesives help you optimize your design, improve reliability & reduce assembly Guide10 | bonding , Sealing and Coating Solutions for Mobile Devices > 2-part polyurethane > Superior flexibility > Excellent impact strength > Excellent shear strength > High temperature / humidity performance > Fast fixture > Halogen-freecharacteristicsloctite Hf6005 Mix ratio (A : B)1 : 2 Viscosity before mix (cps, 25 C)Part A (resin): 300 - 1,100 Part B (hardener): 90,000 - 215,000 Working time4 minutesCuring conditionRoom temperature or 80 CLap shear strength (IXEF, psi)700 Side impact (IXEF, J) temperature21 - 28 CLoctite HF6005 is a two-component urethane designed for low modulus & high impact resistance.

10 Once mixed, it cures at room temperature or can be accelerated via GuideStructural Adhesives2-Part PU AdhesivesLight SourceLight SourceCompetitorLoctite HF6005 bonding , Sealing and Coating Solutions for Mobile Devices | 11rEacHcoMpliancESelector Guidecharacteristicsloctite Hf8000rloctite Hf8025r*loctite Hf8150r*Mix ratio (A : B)10 : 110 : 110 : 1 Viscosity before mix (cps, 25 C)Part A: 20,000 - 40,000 Part B: 10,000 - 20,000 Part A: 160,000 - 250,000 Part B: 20,000 - 50,000 Part A: 50,000 - 80,000 Part B: 10,000 - 20,000 Work time4 - 8 minutes4 - 8 minutes3 - 4 minutesCuring conditionRoom temperatureHenkel dispensing equipmentLoctite 400D Benchtop Robot (50 ml Dual Cartridge Dispenser)Storage temperature2 - 8 C* HF8025R / HF8150R: under developmentStructural AdhesivesReach Compliant AdhesivesREACH stands for Registration, Evaluation, Authorization and restriction of CHemicals.