ODAKE CT8888C UV Adhesive: ISO 10993-5 Certified Food Contact Grade UV Shadowless Glue for PVC and PC Bonding
In medical device manufacturing and food contact material processing, the safety and reliability of UV adhesive are core guarantees of product quality. When adhesives need to contact the human body or food, biocompatibility and food contact safety become non-negotiable requirements.
ODAKE CT8888C UV Adhesive is a professional-grade food contact grade UV shadowless glue developed for these applications. It is a medium viscosity, fast-curing, one-component UV curing adhesive that has passed ISO 10993-5 biocompatibility testing. It can be safely used in medical devices and food contact applications, and is specially recommended for bonding rigid or flexible PVC to polycarbonate (PC).
1. What Is Food Contact Grade UV Shadowless Glue?
Food contact grade UV shadowless glue (also known as food contact grade UV adhesive or medical grade UV adhesive) is a UV-curable adhesive that has been validated through strict biological evaluation to meet food contact and medical device safety requirements. It must possess:
Biocompatibility: Passed ISO 10993-5 series testing, non-toxic to human tissue
Food Contact Safety: Compliant with FDA and other food contact material regulations
Cleanliness: Low odor, low extractables — does not compromise product purity
CT8888C has passed ISO 10993-5 certification and can be safely used in medical devices and food contact applications.
2. Key Features of CT8888C
| Feature | Benefit |
|---|---|
| ISO 10993-5 Certified | Passed biocompatibility testing, no cytotoxicity — suitable for medical devices |
| Medium Viscosity | 1800-2200 mPa·s (25°C) — ideal for gap filling |
| Fast Curing | UV fixture ≤5 sec (30mW/cm²); deep cure ≤60 sec |
| High Toughness | Urethane acrylate system provides flexible, impact-resistant bonds |
| Wide Temperature Range | -54°C to 180°C for demanding environments |
| One-Component | No mixing required, easy to use |
| Food Contact Grade | Meets food contact safety requirements |
3. Technical Specifications
Product Parameters
| Parameter | Value |
|---|---|
| Chemistry | Urethane Acrylate |
| Appearance | Colorless to pale yellow liquid |
| Composition | One-component |
| Specific Gravity @25°C | 1.02 |
| Viscosity @25°C (mPa·s) | 1800-2200 |
| Curing Method | UV / Visible Light |
| Shelf Life | 6 months (unopened, 8-21°C) |
Cured Physical Properties
| Parameter | Value |
|---|---|
| Hardness (Shore D) | 62 |
| Temperature Range | -54°C to +180°C |
| Refractive Index | 1.48 |
Cured Electrical Properties
| Parameter | Value |
|---|---|
| Dielectric Strength | 25 kV/mm |
| Volume Resistivity | 8.9×10¹² Ω·cm |
| Dielectric Constant @1-kHz | 4.87 |
| Dissipation Factor @1-kHz | 0.02 |
4. Curing Conditions
| Curing Parameter | Value |
|---|---|
| UV Fixture Time (6mW/cm²) | ≤15 sec (Glass-Glass) |
| UV Fixture Time (30mW/cm²) | ≤5 sec (PC-PVC) |
| Tack-Free Time (100mW/cm²) | ≤20 sec |
| Deep Cure Time (100mW/cm², 1-3mm) | ≤60 sec |
Recommended Light Sources: Metal halide lamps, LED UV lamps
Curing Tips:
For optimal surface cure, use short wavelength (220nm-260nm) UV light
Curing speed depends on light intensity, spectral distribution, exposure time, and substrate transmittance
Suitable for gap filling applications
Compatible Substrates:
Plastic to plastic bonding (PC, PVC, ABS, TPU, etc.)
Rigid/flexible PVC to polycarbonate
Various substrate surfaces
Medical device applications
5. Environmental Resistance
| Environment | Temp | 2H | 24H | 170H |
|---|---|---|---|---|
| Boiling Water | 100°C | 100%* | — | — |
| Water Immersion | 49°C | 100%* | 100%* | — |
| Water Immersion | 87°C | 100%* | — | 100%* |
| Isopropanol Immersion | 22°C | 100%* | — | 100%* |
| Heat/Humidity | 38°C | 100%* | — | — |
*Substrate failure
Note: CT8888C maintains excellent bond strength under harsh conditions including boiling water, high temperature/humidity, and isopropanol exposure.
6. ISO 10993-5 Biocompatibility Certification
CT8888C has passed ISO 10993-5 in vitro cytotoxicity testing, one of the most authoritative biocompatibility standards in the medical device industry.
| Certification Item | Description |
|---|---|
| Standard | ISO 10993-5:2009 — Biological Evaluation of Medical Devices — Part 5: Tests for In Vitro Cytotoxicity |
| Test Cell Line | Mouse fibroblast L929 |
| Test Result | No cytotoxic reactivity |
| Applicable Scenarios | Medical devices in direct or indirect contact with human tissue |
This means CT8888C can be safely used in:
IV catheter assembly bonding
Infusion tube connections
Anesthesia mask assembly
Pressure sensor sealing
Medical monitoring line fixation
7. Applications
| Application Area | Specific Use | Key Advantage |
|---|---|---|
| Medical Devices | Catheters, masks, sensors, IV catheter assembly | ISO 10993-5 certified |
| Food Contact Materials | Transparent plastic containers, food packaging assembly | Food contact safe |
| Consumer Electronics | Smart wearables, camera modules, optical assemblies | High transparency, high toughness |
| Automotive Electronics | Sensor encapsulation, connector fixing | Wide temperature range (-54 to 180°C) |
| Lighting & Optoelectronics | LED lens bonding, backlight modules | Refractive index 1.48, high transparency |
8. Why Choose ODAKE CT8888C UV Adhesive?
| Advantage | Description |
|---|---|
| ISO 10993-5 Certified | Biocompatibility validated — medical grade safety |
| Food Contact Grade | Meets food contact safety requirements |
| Medium Viscosity | 1800-2200 mPa·s for gap filling applications |
| Fast Curing | ≤5 sec fixture, ≤60 sec deep cure |
| High Toughness | Flexible, impact-resistant bonds for soft/hard substrates |
| Wide Temperature Range | -54°C to 180°C for demanding environments |
| Factory Direct | In-house R&D and manufacturing, customization supported |
9. Contact Us
For more information about ODAKE CT8888C UV Adhesive, technical specifications, ISO 10993-5 certification reports, FDA test reports, sample testing, or custom solutions, please contact us for professional selection support.
