Inpay Black (18kg) (BLK-L1801)

For blindfolding of the part names and patterns of assembled boards

• Aerosol and Chemical Products
• Potting Agent
• RoHS compatible

Prices have been revised from August 1st, 2025.

The black liquid containing silica sand hardens so hard that it is difficult to peel or cut. After curing, it cannot be dissolved with chemicals, so it is effective to treat the surface of the substrate that you want to keep its confidential. Two-component type epoxy systemPotting AgentThen, mixing the hardener with the main ingredient will begin to harden. There are four variations with different content.See variations of different content

Main specifications

Model number

BLK-L1801

RoHS Directive (10 Substances)

correspondence

Quantity

1 set

NET

18kg (7.8L)

Product size (approx. including packaging)

Main agent: Φ300mm x 370mm, hardener: 130×95×180mm

Weight (approx. including packaging)

22kg

JAN Code

4931442423071

country of origin

Japan

Volume resistivity

1.0×10¹⁴Ωcm (1MHz, 500V applied)

Dielectric constant

4.3 (1MHz), 3.8 (100MHz)

The strength of dielectric breakdown

Over 50kV/cm

Pencil hardness

9H

Operating temperature range

-30 to 250°C (However, physical strength may decrease at 80°C or higher)

Hazardous materials and content under the Fire Service Act

Main agent: 18 kg of specified combustible materials (combustible solids) for 3 tons or more, hardener: 1.5 l of class 4th 3rd petroleum (water-insoluble)

Tack-free time

40-50 minutes (10cm cubes on each side/20°C)

Hardening time

1-1 hour and 20 minutes (10cm cubes on each side/20°C)

Heat resistant

Physical strength may decrease at 80°C or higher

blkl1801

Materials related to this product

• Inpei Black(18kg) (BLK-L1801) SDS (Safety Data Sheet)
• Inpei Black(18kg) (BLK-L1801) TDS (technical document)
• Inpei Black(18kg) (BLK-L1801) TDS (Technical Documentation)/English version
• Inpei Black(18kg) (BLK-L1801) RoHS warranty