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Inpay Black (18kg) (BLK-L1801)

Original price ¥75,064 - Original price ¥75,064
Original price
¥75,064 - ¥75,064
Current price ¥75,064
(Prices include tax)

For blindfolding component names and patterns on assembled boards

Prices have been revised effective July 1, 2023.

The black liquid containing silica sand hardens so hard that it is difficult to peel off or cut. It is a two-component epoxy potting agent, and curing begins when the hardener is mixed with the base agent. It is available in four variations with different contents.See variations with different content amounts

Main specifications

Model No.
RoHS Directive (10 substances)
1 set
18kg (7.8L)
Product size (including packaging, approx.)
Main agent: Φ300mm x 370mm, hardener: 130 x 95 x 180mm
Weight (including packaging, approx.)
JAN code
Country of origin
Volume resistivity
1.0×1014Ω-cm (1MHz, 500V applied)
Dielectric constant
4.3 (1MHz), 3.8 (100MHz)
Dielectric breakdown strength
50 kV/cm min.
Pencil hardness
Operating temperature range
-30 to 250°C (however, physical strength may decrease at temperatures above 80°C)
Hazardous materials and content under the Fire Service Law
Main agent: 18 kg of designated combustibles (combustible solids) for 3 tons or more, hardener: 1.5 L of Class 4 Petroleums No. 3 (non-water soluble)
Tack-free time
40-50 minutes (cube with 1 side 10 cm in diameter / 20°C)
Curing time
1 to 1 hour and 20 minutes (10 cm cube per side / 20°C)
Heat resistance
Physical strength may decrease at temperatures above 80°C


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