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Urethane 聚氨酯

1A65

HumiSeal® 1A65 is a single component, polyester urethane conformal coating intended for general printed circuit assemblies. HumiSeal® 1A65 demonstrates excellent flexibility and long term electrical properties as well as very good barrier properties against moisture and corrosive gases such as hydrogen sulfide.

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2A64

HumiSeal®
2A64 is a two component polyurethane conformal coating supplied as Parts A and B, suitable for
general printed circuit board applications. HumiSeal®
2A64 is characterized by high solids and low viscosity for
ease of application and processing, and it fluoresces under UV light for inspection purposes.

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Humiseal 1A20 It is a single-component, chemically resistant epoxy resin coating.

HumiSeal®
1A20 is a single component, chemically resistant, fast curing polyurethane conformal coating. HumiSeal®
1A20 fluoresces under UV light for ease of inspection.

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1A27

HumiSeal®
1A27 is a single component, polyurethane conformal coating, suitable for general printed circuit
board applications. HumiSeal® 1A27 contains no free isocyanates.

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1A27 LTX

HumiSeal® 1A27 LTX is a single component, polyurethane conformal coating, suitable for general printed circuit
board applications.

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1A33 LOF

HumiSeal® 1A33 LOF is a single component, polyurethane conformal coating, suitable for general printed circuit
board applications. The formula of 1A33 LOF contains curing accelerants which significantly reduce curing times
compared with other polyurethane coatings. High levels of chemical resistance and physical hardness can be
achieved after 4 hours at 85˚C

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1A33 LOS

HumiSeal® 1A33LOS is a single component, polyurethane conformal coating, suitable for general printed circuit board
applications. HumiSeal® 1A33LOS is a development of HumiSeal® 1A33 with reduced odor levels and lower toxicity
solvents. After complete cure, the properties of HumiSeal® 1A33 LOS and HumiSeal® 1A33 are comparable.

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1A33 LTX

HumiSeal® 1A33 LTX is a single component, polyurethane conformal coating, suitable for general printed circuit
board applications. It is especially formulated with reduced xylene and toluene concentration to be fully compliant
with GB30981-2020*. HumiSeal® 1A33 LTX is also produced as pre-blended products, at a range of viscosities,
suitable for a variety of applications with no further dilution required. HumiSeal® 1A33 LTX, and its Pre-blend
Products, contain no free isocyanates and fluoresce under UV light for inspection purposes.

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1A33

HumiSeal®
1A33 is a single component, polyurethane conformal coating, suitable for general printed circuit board
applications. HumiSeal®
1A33 contains no free isocyanates and fluoresces under UV light for inspection
purposes.

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1A34

HumiSeal®
1A34 is a single component, fast curing polyurethane conformal coating. HumiSeal®
1A34 offers
easy application and handling and fluoresces under UV light for ease of inspection.

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