NEV Adhesive Application Plan Across the Vehicle
I. Adhesive Solutions for Drive Motor Systems
NEV adhesive application requirements for drive motors: High temperature resistance, thermal conductivity, insulation, vibration resistance, waterproof/moisture-proof, oil resistance, and refrigerant resistance.
| Specific Application Area | Recommended Adhesive Type | Key Function & Process Requirements |
| Stator Winding Encapsulation | Thermally conductive epoxy potting adhesive-JOME3113 | Stator coil gap and iron core insulation potting. Delivers insulation voltage resistance, heat dissipation, and vibration buffering; insulates copper wires from moisture and oil; suppresses operating noise. |
| Stator Core to Housing Bonding | High-temperature epoxy structural adhesive-JOME3211-146 | Interference-fit bonding between the core outer wall and motor housing. Provides high-strength locking, eliminates clearance, transmits torque, and withstands $120\sim180^\circ\text{C}$ long-term without delamination. |
| Motor End Cap & Housing Sealing | Silicone flat sealant -JOMS5339/ MS (Modified Silane) polymer sealant-JOMS3360 | Sealing of front/rear end cap joints and cooling water channel cover gaps. Prevents coolant leakage, blocks road mud/water, and offers elastic adaptability to thermal expansion and contraction. |
| Resolver / Temp Sensor Fixation | Single-component high-temperature epoxy-JOME327/ Silicone fixing adhesive-JOMS5316 | Bonding sensor coils to the stator frame. Ensures insulation and vibration resistance; prevents loosening without interfering with signal transmission. |
| Motor Harness Joint & Lead Wire Sealing | UV-curable adhesive-GM3231 + Silicone sealant composite-JOMS5316 / Flexible PU potting adhesive-JOMP2608 | Waterproof encapsulation at outlet holes and terminal roots. Prevents water vapor from migrating along wire strands to avoid short circuits. |
II. Adhesive Solutions for Battery PACK Systems
Battery PACK requirements in an NEV adhesive application: Thermal conductivity, flame retardancy (V-0 grade), shock/vibration buffering, insulation, low-temperature resistance, and lightweight structural bonding.
| Specific Application Area | Recommended Adhesive Type | Key Function & Process Requirements |
| Cell to Liquid Cooling Plate Bonding | Two-component thermally conductive polyurethane structural adhesive-JOMP2103 / Thermally conductive silicone pad-JOMG 25-80 | Bottom of cell and liquid cooling plate gap filling. Rapidly dissipates heat during charge/discharge, balances temperature differences, and mitigates thermal runaway risks. |
| Cell Structural Bonding & Buffering | High-rebound polyurethane foaming tape / Low-stress silicone structural adhesive-JOMS 3360 | Bonding cell side walls to plastic brackets. Absorbs driving shocks, cushions cell expansion/contraction, and prevents friction wear or short circuits. |
| Module Metal Bracket & End Plate | Epoxy structural adhesive-JOME3005 / Two-component MS structural adhesive-JOMS3191 | Structural bonding of module side plates and support brackets to cells. High-strength load-bearing performance that meets crash-safety standards; resists thermal cycling without cracking. |
| PACK Enclosure Sealing | Flame-retardant MS sealant -JOMS 3360/ Polyurethane sealant-JOMP2103 | Sealing upper/lower box joints and maintenance cover grooves. Meets IP67/IP68 water/dust-proof standards; provides V-0 flame retardancy and road salt resistance. |
| BMS Board Encapsulation | Flame-retardant electronic PU potting adhesive-JOMP2103 / Low-stress silicone potting adhesive–JOMS 5230 | Protective encapsulation of the PCB, sampling harness, and low-voltage components. Moisture-proof and vibration-resistant; isolates circuit boards from electrolyte vapor corrosion. |
| High-Voltage Harness & Connector | UV-curable sealant -JM3302/ Thermally conductive silicone sealant-JOMS 5317 | Insulation coating for copper busbars and waterproof sealing at connector tails. High-voltage insulation; prevents creepage and moisture-induced leakage. |
III. Adhesive Solutions for Electronic Control Systems (VCU/MCU/OBC)
An NEV adhesive application in electronic controls requires: High thermal conductivity, precise insulation, engine bay temperature resistance, and resistance to automotive fluids (water, oil, coolant).
| Specific Application Area | Recommended Adhesive Type | Key Function & Process Requirements |
| Power Devices (IGBT/MOSFET) | High thermal conductivity grease / Thermal gel-JOMG2000 / Thermal interface material (TIM)-JOMG1950 | Interfacial thermal bonding between power chips and aluminum heatsinks. Minimizes thermal resistance to rapidly dissipate chip heat and prevent high-temperature burnouts. |
| Electronic Control Housing Sealing | High-temperature silicone sealant -JOMS5133/ MS polymer sealant-JOMS3360 | Joint sealing of the upper and lower covers of aluminum alloy housings. Keeps out moisture and dust; resists high engine-bay temperatures, oils, and coolants. |
| PCB Protective Coating | Low-viscosity flame-retardant PU conformal coating-JOMP2608 / Flexible silicone coating-JOMS521 | Global protection of mainboards, capacitors, resistors, and chips. Provides insulation, moisture barrier, and dampens vibration to reduce solder joint fatigue. |
| Low-Voltage Harness & Connector Fixation | Electronic-grade silicone adhesive -JOMS3060/ Hot-melt adhesive (temp-resistant)-JOMS5133 | Securing plug terminal roots and cable routing clips. Prevents signal interruption or terminal loosening caused by severe vehicle vibrations. |
| OBC Resonant Inductor Potting | High thermal conductivity epoxy -JOME2040/ Silicone potting adhesive-JOME5230-15 | Overall potting of inductor coils and transformers. Suppresses electromagnetic resonance noise (NVH optimization) and provides high-voltage insulation. |
IV. Adhesive Solutions for On-Board Sensors
Sensor bonding in an NEV adhesive application calls for: Zero signal interference (low dielectric constant), high optical clarity without outgassing, and extreme outdoor weather resistance.
| Specific Application Area | Recommended Adhesive Type | Key Function & Process Requirements |
| Battery / Motor Temp Sensors | High-temperature silicone / Flexible PU sealant-JOMP2603 | Probe fixation and tail wire sealing. Maintains accurate temperature measurement; resists thermal cycling from $-40\sim180^\circ\text{C}$. |
| High-Voltage Current Hall Sensors | Low-stress epoxy potting adhesive-JOME3102 | Magnetic core coil potting and shell sealing. Insulates high voltage, resists electromagnetic interference (EMI), and provides shock absorption. |
| Millimeter-Wave / LiDAR / Ultrasonic Radar | Low-dielectric-constant silicone / MS sealant-JOMS3360 | Housing sealing and internal circuit potting. Zero signal attenuation or blocking; outstanding weather resistance against outdoor temp differentials. |
| ADAS Cameras (Surround View/Autopilot) | Low-outgassing UV adhesive GM3213/ Polyurethane structural adhesive-JOMP2103 | Lens bracket bonding, lens-to-housing sealing, and PCB potting. Anti-yellowing, anti-fogging, and anti-outgassing to ensure image clarity. |
| Brake / A/C Pressure Sensors | Oil-resistant epoxy structural adhesive-JOME3228 / Single-component epoxy sealant-JOME3688 | Bonding metal shells to plastic bases and internal chip encapsulation. Resists brake fluid and refrigerant corrosion; remains leak-free under high pressure. |
V. Adhesive Solutions for Body & Chassis Structures
Body and chassis objectives for an NEV adhesive application: Replacing/reinforcing spot welds, weight reduction, NVH (Noise, Vibration, Harshness) improvement, and anti-corrosion.
1. Body Structure Bonding & Sealing-JOM9138
Aluminum/Steel Sheet Assembly & Door Frame Bonding: Use Two-component epoxy structural adhesive / High-toughness MS structural adhesive. Replaces spot welds to reduce weight, improves body torsional stiffness, absorbs crash energy, and prevents joint corrosion.
Roof & Rear Deck Lid Edge Sealing: Use PVC weld seam sealant / Polyurethane sealant. Fills metal sheet gaps, prevents rust in hemmed edges, and dampens aerodynamic wind noise.
Battery Tray to Chassis Bonding: Use High-modulus MS structural adhesive / Epoxy crash-dampening structural adhesive. Rigidly secures the battery tray, cushions road impacts, and isolates road salt/mud.
2. Glazing & Interior/Exterior Trim Assembly-JOMP465
Windshield & Window Glazing (Front, Side, Sunroof): Use Single-component polyurethane direct-glazing adhesive. Integrates structural bonding and sealing; bears rollover safety loads and ensures lifetime waterproof performance.
Door, Hood, & Trunk Weatherstripping: Use Low-odor butyl sealant / MS polymer sealant. Fills assembly clearances, keeps out wind/dust/water, and resists aging, cracking, or hardening.
Instrument Panel, Console, & Door Trim Assembly: Use Low-odor MS adhesive / Flexible PU adhesive / Foamed double-sided tape. Guaranteed non-blooming (no whitening) and non-corrosive to plastics; dampens vibrations to eliminate cabin squeaks (BSR).
Headliner, Carpet, & Acoustic Felt Bonding: Use Eco-friendly water-based spray adhesive / Polyurethane foam tape. Engineered with ultra-low VOC and low aldehyde emissions to meet cabin air quality standards; prevents long-term sag.
Headlight & Taillight Housing Sealing: Use Thermoplastic butyl sealant / Transparent silicone sealant. Prevents water ingress and fogging; outstanding UV resistance to prevent yellowing.
3. Chassis Anti-Corrosion & Shock Absorption-JOM985
Underbody Guards & Wheel Arch Liner Fixation: Use Impact-resistant polyurethane sealant / Heavy-duty double-sided foam tape. Shields against high-speed gravel abrasion; insulates the chassis from water, mud, and road salt.
Dampening Bushings & Rubber Buffers: Use Rubber-specific primer + Epoxy structural adhesive. Delivers exceptional rubber-to-metal bonding strength; resists continuous alternating loads without peeling.
The full JOME product catalogue named above is one part of the JOME production line. For the earlier discussion of Adhesive Application Solution for Solar PV Energy, follow the link, or browse the the full JOME bonding solutions line; specifications and samples go through the send drawings to the JOME team.