Adhesive application schemes for electronic equipment in new energy vehicles have to survive a brutal environment: thermal shock, vibration, humidity and a fifteen-year service expectation. Radar modules, sensors, power electronics and displays each demand a different combination of sealing, bonding and encapsulation. JOME designs these schemes around the component duty rather than a single universal product, and the range spans silicone, polyurethane and epoxy systems for every zone in the vehicle.
Adhesive application schemes for radar modules
Adhesive application schemes for radar units focus on housing bonding and dielectric performance. Silicone and soft polyurethane systems rated from -40℃ to 100℃ handle the environmental duty, with dual-85 and dual-95 humidity exposure among the qualification tests to confirm, while polyurethane grades such as PUR 1670 are listed with no-toxicity curing and reduced non-cure risk for the housing joint. Enhancing housing bond strength without attenuating the radar signal is the design constraint that decides the scheme.
Adhesive application schemes for radar housings must also respect the dielectric window. Filled adhesives placed in the beam path attenuate the signal, so gasket geometry and material selection happen together with the RF team. A structural bond that seals the housing seam but skirts the aperture solves both problems at once.
Glass-to-housing bonding on lidar
Adhesive application schemes for lidar assemblies include bonding the glass window to the polycarbonate (PC) housing, where a 1:1 silicone adhesive and sealant such as SIPC 1832 delivers fast curing and rapid air-tightness testing across -60℃ to 200℃. The 1:1 ratio keeps the dispensing line simple, and fast cure shortens the leak test queue. Optical clarity and low stress on the glass edge are the properties that decide whether the window survives thermal cycling.
Adhesive application schemes for lidar glass bonding carry one specific risk: a coefficient of expansion mismatch that slowly loads the glass edge until it chips. Low-modulus silicone absorbs that strain. Review the glass type, housing material and thermal profile together before selecting a grade, because the mismatch is a geometry problem as much as a chemistry one.
Tire pressure sensors: RF-transparent encapsulation
Adhesive application schemes for tire pressure sensor assemblies centre on PA66 housing encapsulation with vibration resistance, weather resistance and low impact on RF performance through a low dielectric constant. Single-component silicone gels such as SIPC 9030 simplify application, while 1:1 low-hardness systems provide strain relief on the sensor die. The service range of -40℃ to 85℃ covers the wheel envelope including winter conditions.
Adhesive application schemes for TPMS encapsulation face a manufacturing constraint worth naming: the gel must cure without voids around a coil assembly that traps air. Vacuum dispensing or two-stage fills solve it, and the low-hardness cure keeps the coil from being stressed when the wheel hits a pothole. Related encapsulation work at the power level uses JOME’s polyurethane potting compounds for their toughness.
Power electronics and motor controllers
Adhesive application schemes for motor controllers combine thermal interface, potting and housing sealing in one assembly. Thermal pads and gels conduct heat from the dies to the cold plate; potting protects the busbar stack from humidity and vibration; and the housing seam gets a form-in-place or bead sealant rated across the under-hood temperature range. Each layer must survive the same thermal shock sequence, which is where combined testing earns its cost.
Adhesive application schemes for controller modules often die at the interface rather than in the bulk material. A thermal gel with excellent conductivity still fails if the bond line pumps out under power cycling, so thixotropic grades that resist pump-out hold their performance longer. JOME’s thermally conductive adhesive range includes pump-out resistant options for exactly this duty.
Displays and interior electronics
Adhesive application schemes for vehicle displays cover optical bonding, bezel sealing and connector protection. Optical bonding adhesives must stay clear and bubble-free across the cabin temperature range, and bezel seals need enough elasticity to survive dashboard flex. Interior electronics also see condensation cycles that drive moisture into connectors, so the sealing scheme matters as much as the bonding scheme.
Adhesive application schemes for display modules benefit from JOME’s experience across consumer electronics supply chains, where optical bonding process windows are well documented. JOME manufactures in its own factory with RoHS and REACH compliant grades and supports display customers in more than 30 countries with dispensing process guidance alongside material supply.
Validation thinking for vehicle electronics bonding
Adhesive application schemes for vehicle electronics stand or fall on validation design. The standard sequence runs thermal shock, vibration, humidity exposure and then combined cycles that stack them, because failures hide in the interactions. A housing bond that survives vibration and thermal shock separately can still open under both at once when the resonance frequency shifts with temperature. Combined testing costs more and finds failures earlier, which is the only trade that matters before tooling.
Adhesive application schemes for validation also need production-representative coupons. Lab specimens bonded on clean benches behave better than parts bonded on a line with release agents in the air and operators in a hurry. Building coupons on the actual process, at the actual rate, exposes the process window that the datasheet never mentions. JOME supplies sample material sized for such runs, and the technical team helps interpret the failures that inevitably appear during bring-up.
Adhesive application schemes for vehicle electronics should also account for the repair model. Conformal coats that cannot be removed turn every board repair into a scrap decision, and potting that cannot be excavated does the same for connector faults. Where dealer-level repair is part of the service plan, reworkable chemistries at the accessible zones pay back their slight premium on the first warranty claim. It is a conversation worth having with the service organisation before, not after, the first vehicle ships.
Material classes at a glance
Adhesive application schemes for new energy vehicle electronics draw from four material classes. Silicones handle wide temperature swings, electrical insulation and flexible sealing on radar housings and sensor modules. Polyurethanes deliver toughness for structural housing bonds where vibration dominates; specific grades such as PUR 1670 are described as no-toxicity curing, and safety data follows each grade’s SDS. Epoxies bring hardness and bond strength to power electronics and terminal encapsulation. And low-modulus gels provide strain relief on dies and coils that cannot tolerate stress. Assigning the class first, the product second, keeps scheme design honest.
Adhesive application schemes benefit from this class-first view because it exposes gaps early. A scheme that assigns only epoxies to every zone is suspicious on its face; so is one that assigns only gels. The environment decides the class, and the product list then narrows quickly. JOME publishes class-level data for each family in its catalogue, which makes the class decision reviewable by engineering teams before any sample is ordered.
Writing the scheme before the drawings freeze
Adhesive application schemes for new energy vehicle electronics should be drafted at the concept stage, with each zone assigned a material class and validation method. Waiting until DV testing to name the adhesive turns the qualification into a search for whatever will pass. Does your design review include adhesive class assignments per zone? The programmes that do avoid late-stage surprises.
Adhesive application schemes for these assemblies form one connected system; the battery-level view continues in the NEV thermal management solution, and the materials behind the schemes are listed in the full JOME product catalogue. The previous entry in this series covers electronic equipment control system bonding. Scheme review on a live programme goes to the JOME technical team, sealing options run through the sealant range, and the Shanghai JOME Industrial homepage frames the complete portfolio.