UV Adhesives

Product Introduction

LINGWO UV-Curable Adhesives: Precision, Reliability, On-Demand Curing – Igniting Innovation

I. Product Core Positioning: Defining a New Era of Precision Manufacturing with Light as the Standard

In modern precision manufacturing, efficiency and reliability are indispensable. The LINGWO UV-Curable Adhesive series is an intelligent bonding and protection solution born to meet this challenge. It is not merely an adhesive; it is an advanced material technology that enables precise control over the curing process via specific wavelengths of ultraviolet/visible light.

As bonding experts in the electronics manufacturing field, LINGWO deeply understands the stringent requirements of high-end manufacturing—from consumer electronics to medical devices—for curing speed, process cleanliness, and material biocompatibility. We offer the industry’s most comprehensive portfolio of light-curable products: from rigid to ultra-flexible, from watery fluidity to thixotropic paste, from general-purpose transparent types to specialized products featuring fluorescent inspection, dual-cure (heat/UV) mechanisms, and revolutionary photochromic capabilities. We not only provide standard solutions but also excel at offering deeply customized formulations and process support tailored to your production line cycle time, substrate characteristics, and end-use application environment.

II. Core Technical Advantages & Product Series

1. Ultimate Process Efficiency & Control

  • Second-Speed Curing, Instant Setting: Cures and sets within seconds under specific wavelength light sources, significantly boosting production efficiency and automation levels.

  • Precise Application, Zero Waste: Stable state before curing allows for accurate dispensing, filling, or coating. Cures only when and where needed, enabling clean production.

  • Diverse On-Demand Curing Options: Offers various mechanisms including pure UV cure, UV + moisture dual-cure, and UV-initial/heating-post-cure, adapting to complex structures or shadowed areas.

2. Comprehensive & Excellent Material Properties

  • Broad Spectrum of Mechanical Properties: Product hardness ranges from Shore A 20 to Shore D 85+, covering everything from super-flexible to highly rigid, meeting all needs from stress buffering to structural fixation.

  • Outstanding Environmental Resistance: After curing, exhibits excellent resistance to high/low-temperature cycling (-54°C to 250°C), damp-heat aging (double 85 test ≥168 hours), chemicals, as well as moisture-proofing and insulation properties.

  • Superior Transparency & Aesthetics: Most products offer high transparency after curing with no yellowing, meeting the aesthetic requirements of optical components and appearance parts.

3. Special Series for High-Reliability Fields

  • Medical-Grade Certified Series: Products are compatible with various sterilization methods including Ethylene Oxide (EtO), Gamma Radiation, E-beam, and Steam, meeting relevant FDA requirements. Widely used in disposable or reusable medical devices like catheters, syringes, sensors, and anesthesia masks.

  • Fluorescent Inspection Series: Exhibits distinct fluorescence under specific light before and after curing, facilitating online automated inspection of adhesive application position, coverage completeness, and cure status, enabling 100% in-process quality control.

  • Photochromic Series (Industry Innovation): Utilizes proprietary photo-discoloration technology. Transparent or light-colored before curing, it irreversibly changes to black, purple, or other specified colors after secondary irradiation at specific wavelengths. Combines excellent light-blocking properties (anti-light-leakage) with the rapid curing advantage of UV adhesives, completely solving the pain points of slow and incomplete curing in traditional colored adhesives. Ideal for camera modules and optical lenses.

  • Three-Proofing Protection Series: Offers various types of conformal coatings including UV-curable and room-temperature-cure silicone, forming a dense protective film. Possesses excellent moisture resistance, salt spray resistance, fungus resistance, high/low-temperature shock resistance, and electrical insulation properties, providing military-grade protection for PCBAs and precision components.

4. Wide Substrate Compatibility

  • Demonstrates good adhesion to various engineering plastics (PC, ABS, PVC, PET, etc.), metals, glass, and composites. Some formulations are specifically designed for difficult-to-bond substrates (e.g., PP, PE, silicone rubber).

III. Typical Application Scenarios

  • Consumer Electronics & Acoustics: Mobile phone components (lens fixation, decorative part bonding), TWS earphone and speaker assembly, FPC reinforcement, flat coil fixation.

  • Medical & Health Devices: Assembly and sealing of disposable medical consumables (infusion sets, breathing masks), encapsulation of wearable medical sensors, bonding of optical components in diagnostic equipment.

  • Automotive Electronics & Industrial: Automotive sensor encapsulation, lens bonding, reversing radar sealing, industrial-grade wire harness fixation and protection, three-proofing coating for smart meters.

  • Optics & Precision Manufacturing: Structural bonding of optical lenses, filter assembly, micro-sensor encapsulation, temporary fixation for jewelry.

  • New Energy & Power: Three-proofing protection for charging modules, conformal coating for BMS boards, potting and sealing for power modules.

IV. Technical Parameter Examples (Example: Universal UV Acrylic System)

Item Parameter Range / Description
Main Composition Acrylate oligomers, photoinitiators, etc.
Appearance Transparent, transparent light yellow, fluorescent colors, and other options available
Viscosity Range 100 cP – 50,000 cP and above (customizable)
Curing Conditions 365nm or 395nm UV light, Energy: 500-3000 mJ/cm²
Cure Depth Up to 5mm (special thick-coat types)
Hardness After Cure Shore A 20 to Shore D 85+
Tensile Strength 15 – 50 MPa
Elongation at Break 20% – 300%+
Operating Temp. Range -54°C ~ +150°C (some types higher)
Weather Resistance Passes double 85 test, thermal shock test
Insulation Properties Excellent, Volume Resistivity > 10¹⁴ Ω·cm
Packaging Specifications 30ml/tube, 50ml/tube, 250ml/tube, 1kg/bottle, etc. Customizable

V. Begin Your UV-Curing Innovation Journey

We believe the best process solutions begin with a deep understanding of your needs. The LINGWO team sincerely offers:

Reliable Quality Rooted in “Craftsman Spirit”: From globally selected raw materials to strict full-process quality control, ensuring highly consistent performance across batches. All products pass SGS testing, complying with environmental and safety regulations like RoHS, REACH, and Halogen-Free.

Free Application Evaluation & Sample Testing: Recommends the most suitable product and provides samples for verification based on your substrate, process, and performance requirements.

Process Development & Optimization Services: Assists you with curing parameter design, dispensing process development, and production line compatibility testing.

Customized Formulation Development: Initiates dedicated R&D processes for special applications (e.g., extreme temperatures, specific substrates, particular color/fluorescence requirements).

Contact a LINGWO Technical Consultant now, and let the precise, controllable power of UV-curing technology ignite the innovative potential and exceptional reliability of your products.

  • UV-3206
    UV Adhesives

    UV-3206

    Model: UV-3206
    Color: Transparent
    Curing method: UV curing
    Initial solidification time: 6S
    Hardness: 12A
    Refractive index: 1.5
    Shrinkage rate:<3%
    Packaging: 30ml, 50ml, 300ml, 1000ml

  • UV-4018
    UV Adhesives

    UV-4018

    Model: UV-4018
    Color: Red liquid (adjustable)
    Curing method: UV curing
    Initial fixation time: 5 seconds
    Hardness: A33 (adjustable)
    Temperature range: -40 ℃~100 ℃
    Packaging: 30ml, 50ml, 300ml, 1000ml

  • UV-4020
    UV Adhesives

    UV-4020

    Model: UV-4020
    Color: Transparent
    Curing method: UV curing
    Initial solidification time: 6S
    Hardness: A33
    Temperature range: -54 ℃~120 ℃, short-term can be at 150 ℃
    Packaging: 30ml, 50ml, 300ml, 1000ml

  • UV-4023
    UV Adhesives

    UV-4023

    Type: UV Adhesive

    Color: Red

    Viscosity: 9000-14000CPS

    Hardness (Shore D): 78

    Package:30g, 50g, 250g, 1kg, 20kg

  • UV-4027
    UV Adhesives

    UV-4027

    Model: UV-4027
    Color: Transparent
    Curing method: UV curing
    Initial solidification time: 6S
    Hardness: 36D
    Temperature range: -54 ℃~125 ℃
    Packaging: 30ml, 50ml, 300ml, 1000ml

  • UV-4028
    UV Adhesives

    UV-4028

    Model: UV-4028
    Color: Transparent
    Curing method: UV curing
    Initial solidification time: 6S
    Hardness: 70D
    Temperature range: -54 ℃~125 ℃
    Packaging: 30ml, 50ml, 300ml, 1000ml

  • UV-4029
    UV Adhesives

    UV-4029

    Model: UV-4029
    Color: Transparent/Red
    Curing method: UV curing
    Initial solidification time: 6S
    Hardness: 62D
    Dielectric constant: 2.0-2.8
    Packaging: 30ml, 50ml, 300ml, 1000ml

  • UV-4064 Lens Bonding
    UV Adhesives

    UV-4064 Lens Bonding

    Color: Transparent

    Viscosity (mPa·s): 1800–2200

    Hardness (Shore D): 65-75

    Volume Resistivity (Ω·cm): 7.5×10¹⁵–8.5×10¹⁵

    Packgae: 50 g/tube, 20 pcs/bag, 1000 g/bottle, 9 bottles/carton.

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