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CSL Silicones CSL542 Silicone Conformal Coating

Chemical Family
Silicones

CSL Silicones CSL542 Silicone Conformal Coating is a one-part, moisture curing, room-temperature vulcanizing (RTV), electronic grade 100% silicone conformal coating.

Properties

Physical Form
Liquid

Product families

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

Other characteristics

Product Type
  • 1K (1 component) Coating, Conformal Coating
  • 1K (1 component) Coating
  • Conformal Coating
Application Method
Brush, Spray
Type
100% Silicone
Color

Grey; CSL542 is available in Gray. Custom colors are available.

Markets
  • Automotive & Transportation
  • Electrical & Electronics
  • Industrial
  • Paints & Coatings
Storage

CSL542, when stored in original, unopened container in dry, shaded conditions, away from sources of heat or ignition, and stored below 32°C (90°F), has a shelf life of 12 months from date of manufacture.

Benefits

Resists moisture, vibration, and temperature extremes; Electrically insulating; UV stable; Non-corrosive; Processing versatility; Printed circuit board manufacturing; General EMS; Electrical assembly

Features

Neutral cure formulation will not corrode copper, brass or silver; Excellent hydrophobicity; Can be applied by spray, flow and brush techniques

PACKAGING

CSL542 is available in 3.8L (1 US gallon) cans, 19L (5 US gallon) pails and 189L (50 US gallon) drums.

Appearance
Smooth, Pourable Liquid
Conditions

*At standard conditions 77°F (25°C) and 50% relative humidity.

Application

CSL542 coating can be applied by spray, flow and brush techniques. CSL542 can be removed by soaking in solvent such as toluene, xylene or chlorinated solvents followed by brushing and washing.

Cure
Moisture Cure
Technology
Ready-to-Use Products
Typical Uses

Protects circuitry in severe service environments; Maintains a low-stress environment for components and connections; Protects consumer electronics from everyday temperature and humidity; Automotive under-hood applications; Military or industrial applications

Packaging Type
  • Cans
  • Drums
  • Pails

Technical data

Table 1 of 2

10 rows
CharacteristicValueUnitMethod
Specific Gravity (Uncured)0.98——
Extrusion Rate (Uncured, 3.2mm Orifice, 90psi)150.0g/min—
Cure System (Uncured)Neutral (Oxime), Moisture Cure——
Viscosity (Uncured)3000 - 5000cP—
Dielectric Strength (Cured At Standard Conditions* for 7 Days)720.1V/milASTM D149
Volume Resistivity (Cured At Standard Conditions* for 7 Days)min. 1.4 × 10¹²ohms.cmASTM D257
Dissipation Factor (100Hz, Cured At Standard Conditions* for 7 Days)1.017—ASTM D150
Dissipation Factor (100kHz, Cured At Standard Conditions* for 7 Days)0.719—ASTM D150
Dielectric Constant (100Hz, Cured At Standard Conditions* for 7 Days)3.75—ASTM D150
Dielectric Constant (100kHz, Cured At Standard Conditions* for 7 Days)3.85—ASTM D150

Table 2 of 2

2 rows
CharacteristicValueUnit
Application Temperature Range (Ambient)120.0°F
Useable Temperature Range-76 to 392°F

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