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HumiSeal 1R32A-2

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Conformal coatings
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HumiSeal 1R32A-2 Description

  • HumiSeal 1R32A-2 is a fast drying, single component acrylic coating, formulated for improved adhesion to typical substrates while providing excellent moisture and environmental protection for printed circuit assemblies.
  • HumiSeal 1R32A-2 fluoresces under UV light for ease of inspection and is easily repaired.
  • HumiSeal 1R32A-2 is in full compliance with IPC-CC-830 and the RoHS Directive 2002/95/EC, and is recognized under UL File Number E105698.

Technical data of HumiSeal 1R32A-2

Property Value
Density, per ASTM D1475 0.91 ± 0.02 g/cm³
Solids Content, % by weight 29 ± 3 % per Fed-Std-141, Meth. 4044
Viscosity, per Fed-Std-141, Meth. 4287 220 ± 30 centipoise
VOC 645 grams/litre
Drying Time to Handle 10 minutes per Fed-Std-141, Meth. 4061
Recommended Coating Thickness 25 - 75 microns
Recommended Curing Conditions 24 hrs @ RT or 30 min @ 76°C
Time Required to Reach Optimum Properties 7 days
Recommended Thinner (dipping & brushing) HumiSeal® Thinner 503, 505
Recommended Thinner (spraying) HumiSeal® Thinner 521, 521EU, 600
Recommended Stripper HumiSeal® Stripper 1080, 1080EU
Shelf Life at Room Temperature, DOM 24 months
Thermal Shock 50 cycles per MIL-I-46058C
  -65°C to 125°C
Coefficient of Thermal Expansion - TMA 170 ppm/°C below Tg
  340 ppm/°C above Tg
Glass Transition Temperature - DSC 14°C
Modulus - DMA 2000 MPa @ -40°C
  1050 MPa @ 20°C
  8.5 MPa @ 60°C
Flammability, per UL 94 V-0
Dielectric Withstand Voltage >1500 volts per MIL-I-46058C
Dielectric Breakdown Voltage 7500 volts per ASTM D149
Dielectric Constant, at 1MHz and 25°C 2.5 per ASTM D150-98
Dissipation Factor, at 1MHz and 25°C 0.01 per ASTM D150-98
Insulation Resistance 8.0 x 10^14 ohms (800TΩ) per MIL-I-46058C
Moisture Insulation Resistance 6.0 x 10^10 ohms (60GΩ) per MIL-I-46058C
Fungus Resistance Passes per ASTM G21

Application of HumiSeal 1R32A-2

  • Cleanliness of the substrate is of extreme importance for the successful application of a conformal coating.
  • Surfaces must be free of moisture, dirt, wax, grease, flux residues and all other contaminants.
  • Contamination under the coating could cause problems that may lead to assembly failures.

Dipping

  • Depending on the complexity, density and configuration of components on the assembly, it may be necessary to reduce the viscosity of HumiSeal 1R32A-2 with HumiSeal Thinner 503 or 505 in order to obtain a uniform film.
  • Once optimum viscosity is determined, a controlled rate of immersion and withdrawal (5-15 cm/min) will further ensure even deposition of the coating and ultimately a uniform film.

Spraying

  • HumiSeal 1R32A-2 can be sprayed using conventional spraying equipment.
  • Spraying should be done in an environment with adequate ventilation so that the vapour and mist are carried away the operator.
  • The addition of HumiSeal Thinner 521, 521EU or 600 is necessary to ensure a uniform spray pattern resulting in pinhole-free film.

Brushing

  • HumiSeal 1R32A-2 may be brushed with a small addition of HumiSeal Thinner 503 or 505.
  • Uniformity of the film depends on component density and operator's technique.

Storage

  • HumiSeal 1R32A-2 should be stored away excessive heat or cold, in tightly closed containers.
  • HumiSeal products may be stored at temperatures of 0 to 35°C.
  • Prior to use, allow the product to equilibrate for 24 hours at a room temperature of 18 to 32°C.

Application notes of HumiSeal 1R32A-2

  • HumiSeal 1R32A-2should be carried out in accordance with local and National Health and Safety regulations.
  • The solvents in HumiSeal Conformal Coatings are flammable.
  • Material should not be used in presence of open flame or sparks.
  • Use only in well-ventilated areas to avoid inhalation of vapours or spray.
  • Avoid contact with skin and eyes.

Where to buy HumiSeal 1R32A-2 authentic:

With our reputation, Hicotech has gained the trust of many customers. Contact us now for consultation and to receive the best price for HumiSeal 1R32A-2 product.

Contact Information:

Hotline/Zalo. 094 526 1931

Website. Hicotech.com.vn

Email: Sale@hicotech.com.vn

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