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Ultra-Illumina™ 3502

1 of 3 products in this brand
Ultra-Illumina™ 3502 is a UL-compliant, 100% solids UV light curable conformal coating for PCB assembly. It is suitable for use in high-volume spray systems, does not clog valves due to the absence of volatiles, and is environmentally friendly. When fully cured, Incure 3502 forms a hard and resilient protective coating with a thickness of 30 to 150 microns that functions as a moisture barrier with excellent adhesion in harsh environments. The presence of permanent fluorescence allows for quick in-process and quality inspection of coating coverage. Moisture-curing coated components in shadowed areas take 72 hours.

Product Type: 1K (1 component) Coating

Features: Good Adhesion, High Hardness, Low Viscosity, Moisture Barrier, Resilient, Tack-free, UV Curable, Water Resistant

Application Method: Spray

Chemical Family: Acrylics & Acrylates

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Chemical Resistance

Good

Applications & Uses

Application Method
EtO And Gamma Sterilization

All Incure medical products are formulated to subject to standard sterilization methods, such as EtO and Gamma Radiation of 25 to 50 kGrays (cumulative). Enhanced moisture and
thermal resistance of this product show excellent adhesion and bonding strength after one cycle of steam auto-clave test. Depending on bond design and structure of the application,
users should test specific assemblies after subjecting them to sterilization. Consult Incure Support Team for assistance, if your devices are subjected to more than one sterilization cycles.

Properties

Appearance
Single Component, Slight Yellow Tint, Fluorescing
Cured Properties
ValueUnitsTest Method / Conditions
Elongation at Break74.0%ASTM 638
Hardness (Durometer)35 to 45Shore DASTM 2240
Linear CTE (α1)44.0ppm/°C²ISTM D696
Linear CTE (α2)80.0ppm/°C-
Linear Shrinkage / Expansion (-ve)2.16%ASTM D2566
Surface After Full CureSleek-²ISTM D189
Tensile (PC-AL)GoodpsiASTM 638
Tensile (PC-PC)GoodpsiASTM 638
Tensile (PC-S)GoodpsiASTM 638
Tensile (PC-SS)GoodpsiASTM 638
Thermal Range (Brittleness / Degrades) -55 to 150°C²ISTM D366
Water Absorption (24hrs)0.01%²ISTM D570
Uncured Properties
ValueUnitsTest Method / Conditions
Density1.03g/ml-
Flash Pointmin. 93ºC-
Refractive Index (20°C)1.48--
ToxicityLow--
Viscosity (20 rpm)300 - 400cP-
Note (Cured Properties)
Other viscosities are available upon request. If the viscosity range requested is not our standard offering, this product may be produced with a small lab fee. ASTM D2556

1 Viscosity (cP) taken at 25ºC - Call to enquiry for other viscosities.
 

Note (Uncured Properties)

2. ISTM - refers to Incure Standard Test Method.
3. ASTM 638 Young’s Modulus test speed @5mm/min for rigid and semi-rigid materials, at 50mm/min for non-rigid materials, unless otherwise specified.

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Recommended UV Cure Schedule (Full Cure)

Cure times on 8mm ø adhesive sample. Belt speeds using C9000-F200Px1AB (Flood) and C9000-F500x1AC (Focused Beam) conveyors for area curing. Please consult IncureLab™ for any other requirements.
UV Intensity Reference Table
 

Incure UV Curing Lamp Model ⁴Curing Distance vs UV Intensity
Spot Curing (Diameter) 0.5” (12.6) 1” (25.4) 1.5” (38) 2” (50.8) 2.5” (63.5) 3” (76.2)
S20™ ARC (mW/cm2) / (ø mm) 1,400 (3) 1,500 (4) 650 (6) 360 (8) 240 (10) 175 (12)
L9000™ LED (mW/cm2) / (ø mm) 7,500 (9) 5,000 (10) 2,300 (17) 1,200 (20) 700 (25) 450 (30)
Flood/Focus Beam (Area) UV Intensity (mW/cm2)
F200™ ARC Flood (6” x 8”) 325 280 245 215 190 165
F400™ ARC Flood (4” x 4” ) 860 570 440 345 270 215
F500™ ARC Focused (3” x 5” ) 1040 685 530 415 325 260
L1044-365™ LED Flood (4” x 4”) 2675 2380 1900 1625 1430 1280
L1044-405™ LED Flood (4” x 4” ) 2950 2625 2150 1900 1650 1450

⁴Curing Distance is defined by the tip of light-guide or base of lamp housing to the bond area. All values are nominal with ±10% variation, with LED Flood Static Uniformity at ±78% and Dynamic Uniformity at ±90%. Recommended curing parameters in gray.
UV Curing Schedule For This Product

Wavength λ UVA (320 - 400nm) UVB (290−320nm) UVC (290-220nm) VUV (400-700nm)
Note: This product has been thoroughly tested to cure with F200P™ UV Flood Lamp.
Intensity wavelengths (shaded) are crucial for curing this product. All measurements
are made with EIT UV PowerPuck II. If you are unable to fully cure this product for
some reasons, pls email us for assistance with your curing information.
Minimum Intensity 223 mW/cm2 56 mW/cm2 4 mW/cm2 215 mW/cm2
Total Energy Required 8,920 mJ/cm2 2,240 mJ/cm2 152 mJ/cm2 8,600 mJ/cm2
Technical Details

Ultra-Illumina™ 3502 - Technical DetailsUltra-Illumina™ 3502 - Technical Details - 1
Secondary Heat Cure (Not Applicable)

Continuous Oven Bake Duration
95°C (203°F) 120 mins
110°C (230°F) 60 mins
125°C (257°F) 30 mins

 

Storage & Handling

Storage and Shelf Life

Shelf−Life of this unopened product is a minimum of ONE (1) year from date of manufacture. Avoid direct exposure of bottle to visible light at all times. Containers should remained
covered when not in use. Product should be stored in a dark cool place of 10°C to 32°C. Transfer of product into other packages void all warranties. Users should ensure all bonding
surfaces are free of grease, mold release, or any contaminants, as bonding performance will be compromised. All tests for cured bonds should be carried out at ambient temperature. For
safe handling of this product, please read Material Safety Data−sheet (MSDS) prior to use. Organic solvents, such as IPA, may be used to wipe away uncured material from surfaces.