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• UV40 GEL is a new high viscosity UV
curable gel product
• Formulated to provide same levels of
moisture and chemical protection as
current UV40 product range
• Designed to be compatible with the
HumiSeal suite of UV40 materials
UV40 Gel
UV Curable

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UV40 Gel
Performance Uncured
• Density 1 to 1.1 g/cm3
• Minimum Solids Content 95 %
• Viscosity, per Fed-Std-141,
Meth. 4287 no slump gel,
3000 CPS @ 1rpm
• Recommended Coating Thickness 300um upwards
• Recommended UV Dose* 1 - 4 J/cm2
• Shelf Life at Room Temperature
from DOM 12 months

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Performance data
HumiSealUV40 Humiseal
UV40 SOLAR
HumiSeal UV40
250
HumiSeal UV40
HV
UV40 gel
Unique Features
The original UV cure Conformal Coating,
possessing excellent chemical resistance,
surface hardness, flexibility and moisture
resistance.
UV light stabilizer
Suitable for Outdoor application
without discoloration
Low viscosity
Version of UV40
Increased flexibility
High viscosity version of
UV40
No Slump gel suitable for
Dam/Fill
Suitable for needle jet
application
Viscosity, cps 500 to 800 500 to 800 250 to 350 2400 to 2800 No Slump Gel
Qualifications and
Standards
IPC-CC-830
MIL-I-46058C
UL94 V-0
RoHS Directive 2002/95/EC
SAE-J-1960 standard (QUV
accelerated age testing).
RoHS Directive 2002/95/EC
IPC-CC-830
V-0
RoHS Directive 2002/95/EC
RoHS Directive 2002/95/EC RoHS Directive
2002/95/EC
Specific gravity, g/cm3
1.00 to 1.10 1.00 to 1.10 1.05 to 1.15 1.05 to 1.15 1.00 to 1.10
Cure Type UV / secondary moisture cure
Cure condition
1-5 J/cm2 UV cure
Moisture develops full coating properties after 7 Days
Tack free time, min Immediately Following UV exposure
Moisture Insulation
Resistance
4.7 x 1010 Ohms

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UV40 Gel
Features &
Benefits
One-Part system Easy of Use
Dual Cure UV and Moisture cure Systems to
provide tack free coating
Allow for rapid processing and automation
Strong chemical resistance Suitable for aggressive environments
Formulated to provide same levels of moisture
and chemical protection as current UV40 product
range
Compatible with conventional UV40 family of
coatings
High viscosity, ‘no-slump’ gel formulation
Ideally suited in damming or filling applications
during conformal coating applications to
prevent wicking effects.
Ideal partner for Humiseal UV conformal coating
products -after curing has similar physical,
chemical and electrical properties as UV40 family
Ease of Implementation
Multiple options of application - automatically with
high speed needle dispensing system, semi-
manual time pressure application system
possible, jet dispensed for micro electronic
application
Application Flexibility
Fluoresces under UV light Ease of Optical Inspection

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UV40 Gel
Dam & Fill
applications
• Anti-sagging - Stays where applied
• Compatible with syringes application
• Similar physical properties to UV40
after curing
• Tested successfully by customers
• Available in syringes and bulk

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UV40 Gel
Covering
connectors
No capillary phenomena seen