Created by potrace 1.16, written by Peter Selinger 2001-2019

HumiSeal UV500

Model: HumiSeal UV500

Shelf life: 9 months

Danh mục:

Conformal coatings
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HumiSeal UV500 Description 

HumiSeal UV500 is a high solids UV dual cure elastomeric acrylate conformal coating. HumiSeal UV500 exhibits excellent flexibility, moisture resistance and electrical insulation properties as well as good chemical resistance.

Benefits when using HumiSeal UV500

HumiSeal UV500 has been specifically developed to:

  • Cure tack-free with microwave or arc UV
  • Have a secondary cue mechanism that will fully cure any unexposed areas of the coating within 7 days at ambient
  • Have a higher flexibility compared with other UV curable conformal coatings, giving improved performance in thermal cycling
  • Fluoresce under UV light to allow coating
  • Be applied by all selective coating
  • Have excellent chemical and moisture

HumiSeal UV500 meets the following standards:

  • IEC 60664-3
  • Compliant to REACH, RoHS Directive EU 2015/863
  • Compliant with China RoHS 2
  • Compliant to China Standard GB30981-2020
  • Recognized under UL File Number E105698

Technical data of HumiSeal UV500

Properties of HumiSeal UV500 Liquid Coating

Density 1.0 to 1.1 g/cm3
Minimum Solids Content, % by weight 98%
Viscosity at 25ºC 275 to 375 centipoise
Shelf Life at Room Temperature, DOM  9 Months
Recommended UV Cure See Curing Below

" Unless otherwise specified on material packaging "

Properties of HumiSeal UV500 Cured Coating

Coating Thickness, as recommended by IPC guidelines 25 – 125 microns
Coating Thickness, as recommended for application 75 – 130 microns
Time to reach optimum properties 7 days after UV cure
Glass Transition Temperature – DSC -43°C
Coefficient of Thermal Expansion – TMA 137ppm/°C Below Tg 311ppm/°C Above Tg
Modulus – DMA 0.4MPa @ 25°C
 Dielectric Withstand Voltage, per MIL-I-46058C  > 1500 V
 Surface Insulation Resistance (per IPC J-STD-004 (mod.)  8.9 log 10 ohms
Moisture Insulation Resistance, per MIL-I-46058C 1.6 x 1010 ohms
Flammability per UL94 V-0
Fungus Resistance, per IPC-TM-650 2.6.1.1 Pass
Thermal Conductivity 3.07
Insulation Resistance, per MIL-I-46058C 4.5 x 1011 ohms
Surface Resistivity per ASTM D-257 2.0 x 1011 ohms
Volume Resistivity per ASTM D-257 8.0 x 1012 ohm.cm

Application of HumiSeal UV500

Conformal coatings can be successfully applied to substrates that have been cleaned prior to coating and also to substrates assembled with low residue, “no clean” assembly materials. Users should perform adequate testing to confirm compatibility between the conformal coating and their particular assembly materials, process conditions and cleanliness level. Please contact HumiSeal for additional information.

Spraying

  • HumiSeal UV500 can be applied via standard selective coating equipment or by conventional hand spray equipment.
  • The source air used for spraying must be dry (a dry inert gas (nitrogen or argon) is highly recommended) to prevent premature curing of the secondary cure mechanism.
  • The spraying should be done with adequate ventilation so that the vapor and mist are carried away the operator.

Brushing

  • HumiSeal UV500 may be applied by brush for rework or touch up only.
  • Brush must be cleaned with solvent promptly after use.

Curing

  • HumiSeal UV500 is a highly crosslinked coating. In order to achieve maximum crosslinking density, the product must be exposed to the correct spectral output.
  • Humiseal has modelled the performance of UV500 using Arc and Microwave based UV curing equipment.

Clean Up

  • To flush equipment and clean uncured HumiSeal UV500, non-alcohol based solvents should be used.
  • HumiSeal Thinner 521 or Thinner 521EU is recommended.

Rework

  • HumiSeal UV500 is a highly crosslinked UV cured coating.
  • The cured film has a high degree of environmental and chemical resistance and will be more difficult to remove than traditional conformal coatings.
  • Thermal displacement and mechanical abrasion are suitable options for rework of HumiSeal UV500.
  • Humiseal Stripper 1072 and 1100 can be used effectively to remove UV500 after full moisture cure.

Storage

  • HumiSeal UV500 is photosensitive.
  • The product should not be exposed to direct sunlight or full spectrum fluorescent lighting.
  • HumiSeal UV500 should be stored cool below 20°C, to maximize shelf life. Prior to use, allow the product to equilibrate for 24 hours at room temperature.
  • HumiSeal UV500 is a moisture curing material and care should be taken to protect process vessels and partial containers moisture.
  • Partial containers must be purged with a dry, inert gas such as dry air, nitrogen or argon before closure, otherwise premature polymerization by atmospheric moisture will occur.

Caution

  • Application of HumiSeal Conformal Coatings should be carried out in accordance with local and National Health and Safety regulations.
  • Use only in well-ventilated areas to avoid inhalation of vapours or spray.

Where to purchase authentic HumiSeal UV500 ?

With our reputation, Hicotech has gained the trust of many customers. Contact us now for consultation and to receive the best price for HumiSeal UV500 product.

Contact information:

Hotline/Zalo. 094 526 1931

Website. Hicotech.com.vn

Email: Sale@hicotech.com.vn

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