汉高电子材料市场汉高电子材料市场汉高电子材料市场汉高电子材料市场汉高电子材料市场汉高电子材料市场汉高电子材料市场

PRODUCT DESCRIPTION LOCTITE EDAG 437 E&C provides the following product characteristics: Technology Thermoplastic Appearance Copper Operating Temperature -40 to 95 °C Product Benefits ● High conductivity ● Ease of use ● Burnish resistant ● Excellent environmental resistance ● High conductivity per μm dry coating ● Compatible with commonly used plastics ● Stable electrical properties after heat cycling Cure Room temperature cure Application Conductive coating Typical Assembly Applications Reflective coating on parabolic antennas and Plastic housing of consumer electronics and medical equipments LOCTITE EDAG 437 E&C EMC shielding coating is designed to provide electromagnetic compatibility (EMC) in electronic equipment housing. It is an extremely conductive copper coating that provides excellent shielding against radiated electro-magnetic interference (EMI) and protection against electrostatic discharge (ESD). TYPICAL PROPERTIES OF UNCURED MATERIAL Solids Content by Weight, % 63.5 Viscosity @ 20 °C, mPa?s (cP): Speed 20 rpm 4,500 Density, kg/cm3 1,650 Theoretical coverage, m2/kg: @ 10 μm coating thickness 23 Shelf Life @ 5 to 30°C, days 365 Flash Point , oC 23 TYPICAL PROPERTIES OF CURED MATERIAL On Lexan panels, airdried overnight Physical Properties Attenuation @ 50 μm, dB 50 to 70 Adhesion 5B Pencil hardness >9H Electrical Properties Sheet Resistivity , ohms/sq: @ 1 mil dry coating thickness <0.5 GENERAL INFORMATION For safe handling information on this product, consult the Material Safety Data Sheet, (MSDS). DIRECTIONS FOR USE 1. Surface Preparation ● Surface to be coated must be dry and free on contaminants such as oil or chemical residues. 2. Mixing/Dilution ● Thoroughly mix LOCTITE EDAG 437 E&C before dilution. Normally, the product is diluted with MEK. ● Recommended dilution ratio(s) as follows: By Volume: 5 part(s) product to 4 part(s) solvent By Weight: 5 part(s) product to 2 part(s) solvent ● Complicated parts, such as those molded from solvent sensitive plastics (ABS, Polystyrene and Polycarbonate), are very prone to stress cracking. In such cases, replacing about 15% of the MEK with Isobutanol or Diaceton Alcohol (DAA) provides a suitable alternative. 3. Application ● LOCTITE EDAG 437 E&C should be applied by spray using conventional propeller agitated pressure pot spray systems. ● Small prototype runs may be sprayed with well-mixed product, using suction cup spray equipment. ● A nominal 50 to 75 μm dry coating thickness is recommended for good shielding performance. However, a thinner coating may be acceptable, depending on the shielding requirements of the device being protected. ● Avoid dry spraying for maximum adhesion and conductivity. 4. Drying ● LOCTITE EDAG 437 E&C dries to touch in about 5 minutes; to handle in approximately 30 minutes, depending on ambient temperature and coating thickness. ● LOCTITE EDAG 437 E&C reaches full coating properties after air drying overnight. 5. Cleanup ● For high volume production where masks are used to prevent coating certain areas, the masks can be cleaned with esters (butylacetate, ethylacetate) or ketones (MIBK, MEK) solvents. ● Spray or mixing equipment may be cleaned with the same solvents.