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Ultra-Illumina™ 3511B

Chemical Family
Acrylics & Acrylates

Ultra-Illumina™ 3511B is a UL-compliant, 100% solids true UV light curable black 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 3511B forms a glossy, hard, and resilient protective opaque coating with a thickness of up to 600 microns, acting as a moisture barrier with excellent adhesion in harsh environments. UL 746C compliant, rated indoor/outdoor to 120°C, and flame class 94V-0.

Product families

Applications

Electrical & Electronics — Packaging & Assembly
  • Electronics Coatings
Electrical & Electronics — Parts & Components
  • Printed Circuit Boards (PCBs)

Product Families

Ready-to-Use Products — Paints & Coatings
  • Protective Coatings

Other characteristics

Brand
Ultra-Illumina
Features

Consistent High Quality, Glossy Surface Aspects, High Gloss, Low Shrinkage, Low Viscosity, Moisture Barrier, Resilient, Tack-free, UV Curable

Product Type
1K (1 component) Coating
Application Method
Spray
Note

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

Color
Black
Markets
Electrical & Electronics
Appearance
Single Component, Dark Translucent Black
Properties
¹Viscosity (cP) taken at 25ºC
Cure
Heat Cure
Flame Rating
UL 94 V0
Technology
Ready-to-Use Products
Chemical Type
Urethane Acrylate, 100% Solids, No Solvents
Labeling Claims
  • Environmentally Friendly
  • Solvent-free
Quality Standards
UL 746C
Application Methods
Spray
Shelf Life Storage

Shelf−Life of this unopened product is a minimum of SIX (6) months 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.

Certifications and Compliance
UL 94
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.

Ready to Use Product Features
  • Consistent High Quality
  • Glossy Surface Aspects
  • High Gloss
  • Low Shrinkage
  • Low Viscosity
  • Moisture Barrier
  • Resilient
  • Tack-free
Recommended UV Cure Schedule

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. 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

Technical data

Table 1 of 2

12 rows
CharacteristicValueUnitMethod
Elongation at Break15.0%ASTM 638
Hardness (Durometer)75 to 85Shore DASTM 2240
Linear CTE (α1)38.0ppm/°C²ISTM D696
Linear CTE (α2)64.0ppm/°C—
Linear Shrinkage / Expansion (-ve)0.03%ASTM D2566
Surface After Full CureSleek—²ISTM D189
Tensile (AL-AL)5,700*psiASTM 638
Tensile (S-S)5,600*psiASTM 638
Tensile (SS-SS)4,400*psiASTM 638
Thermal Range (Brittleness / Degrades)-55 to 155°C²ISTM D366
Water Absorption (24hrs)0.31%²ISTM D570
Young's Modulus of Elasticity635.0MPa³ASTM 638

Table 2 of 2

6 rows
CharacteristicValueUnit
Density1.05g/ml
Flash Pointmin. 93ºC
Refractive Index (20°C)1.48—
Spindle1.0—
ToxicityLow—
Viscosity (20 rpm)110 - 210cP

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