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HumiSeal 1C51 is a single component, VOC-free, fast thermal curing silicone conformal coating. The low viscosity and long pot life of HumiSeal 1C51 make it ideal for dipping and spraying. HumiSeal 1C51 demonstrates excellent flexibility and contains an optical brightener for inspection under black light. HumiSeal 1C51 coating is MIL-I-46058C qualified, IPC-CC-830 and RoHS Directive 2011/65/EU compliant and recognized under UL File Number E105698.
HumiSeal 1C51 conformal coating is:
- silicone based
- fluoresces under UV light
- thermal cure
- single component
- high solids
HumiSeal 1C51 conformal coating has:
- No VOCs or solvent
- low toxicity
- excellent environmental resistance and moisture resistance
- RoHS directive 2015/863/EU
- Mil-I-46058C qualified
- IPC-CC-830 qualified
- recognized under UL file number E105698
Application of 1C51 Silicone Conformal Coating
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” materials. Users should perform adequate testing to confirm compatibility between the conformal coating and their particular assembly materials, process conditions and cleanliness level.
1C51 is designed for application without additional thinning. Solvents or other thinners should not be mixed with 1C51. 1C51 may be applied by spray, brushing, flow coating or dipping. The time required to reach a tack free state is dependent on ambient conditions such as temperature and relative humidity. The processing guidelines contained in this document were obtained with an ambient relative humidity of 50%.
| Density, per ASTM D1475 | 0.99 ± 0.01 g/cm³ |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 98 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 630 ± 150 centipoise |
| VOC | 0 grams/litre |
| Recommended Coating Thickness | 50 - 200 microns |
| Recommended Curing Conditions | 10 - 15 minutes @ 105 - 130ºC |
| Time Required to Reach Optimum Properties | 15 minutes |
| Recommended Stripper | HumiSeal® Stripper 1091 |
| Shelf Life at Room Temperature, DOM | 12 months |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 200°C |
| Coefficient of Thermal Expansion - TMA | 296 ppm/°C |
| Glass Transition Temperature - DSC | < -65ºC |
| Modulus - DMA | 46 MPa @ -40ºC 3.9 MPa @ 25ºC 3.3 MPa @ 80ºC |
| Flammability, per UL 94 | V-0 |
| Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
| Dielectric Breakdown Voltage, per ASTM D149 | 7000 volts |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 | 2.4 |
| Dissipation Factor, at 1MHz and 25°C, per ASTM D150-98 | 0.01 |
| Insulation Resistance, per MIL-I-46058C | 5.0 x 1014 ohms (500TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 1.0 x 1010 ohms (10GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
1C51-TDS.pdf
Size: 201.33 kB
Type: pdf
1C51-SDS.pdf
Size: 144.62 kB
Type: pdf
Delivery info
Shipment method | Shipment cost |
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Next day (orders above £75.00 ex.vat) | FREE |
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Next day pre 12AM | £17.99 |
Next day pre 10AM | £20.99 |
Saturday AM | £45.00 |
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