ISU Specialty Chemical

이수스페셜티케미컬 · 457190

Materials Chemicals · KOSPI

Large-cap

Market cap US$1.9B (₩2.7T)

Overview

ISU Specialty Chemical makes fine chemicals, industrial solvents and specialty chemical compounds used across a range of manufacturing processes, as well as lithium sulfide, a key raw material for the solid electrolytes found in solid-state batteries.

Its products supply industrial manufacturers and battery-material producers. Listed on KOSPI, Korea's main stock exchange, the company operates two distinct business lines: an established fine-chemicals division and a newer solid-state battery materials division.

Summary is AI-generated and may contain errors · figures from DART filings

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$298.2M

▲ +23.9% YoY

Operating profit · FY2025

US$1.2M

▼ −88.6% YoY

Net income · FY2025

US$557.6K

▼ −92.7% YoY

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$85.2M(₩117.5B)	US$240.6M(₩332.1B)	US$298.2M(₩411.5B)
Operating profit	−US$4.4M(−₩6.1B)	US$10.3M(₩14.2B)	US$1.2M(₩1.6B)
Net income	−US$4.5M(−₩6.2B)	US$7.6M(₩10.5B)	US$557.6K(₩769.5M)

Revenue

FY2023US$85.2M
FY2024US$240.6M
FY2025US$298.2M

Operating profit

FY2023−US$4.4M
FY2024US$10.3M
FY2025US$1.2M

Net income

FY2023−US$4.5M
FY2024US$7.6M
FY2025US$557.6K

Key ratios (FY2025)

ROE

0.6%

Debt/Eq

175.8%

Op. margin

0.4%

Net margin

0.2%

Rev. YoY

▲ +23.9%

Why it matters

The company was spun off from ISU Chemical through a corporate split, then later absorbed a fine-chemicals division from ISU Exachem through a small-scale split-merger, consolidating related operations under one entity.

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