PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩0 per share · Prices as of the 2026-10-02 close
S-Polytec has posted two consecutive quarters of operating profit in 2026, supported by an expanding mix of high-value specialty products including security film, aviation flame-retardant materials, and AI data center polycarbonate sheets.
Operating profit turned positive in both Q1 2026 (KRW 0.33bn) and Q2 2026 (KRW 1.37bn), recovering from the full-year 2025 loss.
The share of high-margin specialty products (multiwall sheets, flame-retardant PC, security film) has surpassed 40% of total product sales, improving the overall mix.
The company has begun mass-production supply of polycarbonate cooling containment materials (SKYLITE, EXEET PC) to a North American big-tech AI data center.
In August 2026 the board approved a KRW 1.0bn treasury stock buyback as a shareholder-value measure.
The 2025 debt-to-equity ratio rose sharply to 95.2% from 71.2% a year earlier, indicating some deterioration in balance-sheet stability.
S-Polytec is an engineering plastics specialist that manufactures and sells polycarbonate (PC) and polymethyl methacrylate (PMMA) sheets and films, built on more than 30 years of extrusion technology.
Its product lineup has expanded from general-purpose PC/PMMA sheets into specialty items such as security film (MF) for government ID cards and e-passports, flame-retardant PC materials for aircraft, multiwall sheets (SKYLITE) for construction, and smart-farm greenhouse covering materials.
In the first half of 2026, specialty products—multiwall sheets, flame-retardant PC, anti-whitening film, and MF—generated KRW 14.9bn in sales, or 40.1% of total product revenue.
Within this, aviation flame-retardant PC sales rose 167.1% year-on-year in the first half, while security document film (MF) sales for government IDs and e-passports grew 31.7%.
A new growth pillar is the supply of multiwall sheet SKYLITE and single-panel EXEET PC to hot-aisle/cold-aisle containment structures at a North American AI data center, and the company has also secured Korea Expressway Corporation certification for a new high-flame-retardant infrastructure product, Firestop, aimed at sound barriers, railways, and bridge structures.
The customer base spans construction materials, infrastructure, electronics, aviation, and government-procured security documents, while global competition comes from large chemical players such as Covestro, SABIC, Lotte Chemical, and Mitsubishi Engineering-Plastics.
The company continues a structural shift from general-purpose sheet business toward a specialty-centered model, positioning expansion of high-value-added product mix as its core strategy.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩17.3B | -₩500M | −2.9% |
| 2025Q3 | ₩16.7B | -₩1.3B | −7.7% |
| 2025Q4 | ₩16.9B | -₩1.1B | −6.5% |
| 2026Q1 | ₩17.6B | ₩300M | 1.9% |
| 2026Q2 | ₩19.9B | ₩1.4B | 6.9% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩82.5B | -₩1.6B | -₩2.8B | −1.9% | −4.3% | 66.0% |
| 2023 | ₩73.2B | -₩2.6B | -₩5.5B | −3.5% | −9.1% | 82.3% |
| 2024 | ₩80.2B | ₩600M | ₩5B | 0.8% | 7.7% | 71.2% |
| 2025 | ₩66.8B | -₩4.8B | -₩8.8B | −7.2% | −15.6% | 95.2% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-23
Annual results show a clear cyclical pattern. From revenue of KRW 82.46bn and an operating loss of KRW 1.59bn in 2022, revenue fell to KRW 73.22bn in 2023 while the operating loss widened to KRW 2.59bn.
In 2024, the company turned profitable with revenue of KRW 80.16bn, operating profit of KRW 0.64bn, and owner net profit of KRW 5.03bn, but reverted to loss in 2025 as revenue fell to KRW 66.76bn with an operating loss of KRW 4.81bn and a net loss of KRW 8.79bn.
On a quarterly basis, revenue held in the KRW 16.9–17.3bn range from Q2 through Q4 2025 while operating losses ran at KRW 0.50bn, 1.29bn, and 1.11bn respectively, with the net loss widening sharply to KRW 4.23bn in Q4.
Revenue rebounded to KRW 17.64bn in Q1 2026, turning operating profit positive at KRW 0.33bn and net profit at KRW 2.12bn, and the improvement continued in Q2 2026 with revenue of KRW 19.86bn, operating profit of KRW 1.37bn, and net profit of KRW 1.39bn.
The trailing four-quarter (Q3 2025–Q2 2026) owner net profit still sits at roughly negative KRW 1.03bn, indicating the recovery has not yet fully normalized.
On the cash flow side, operating cash flow turned slightly positive at KRW 0.58bn in 2025, while equity declined from KRW 65.21bn in 2024 to KRW 56.40bn in 2025 and the debt ratio rose from 71.2% to 95.2%.
The company attributes the recent earnings rebound mainly to expanded specialty product sales, an improved product mix, and higher export volumes.
The global polycarbonate sheet market is expected to grow at a moderate annual pace of roughly 4-5%, driven by demand from construction, electrical/electronics, and automotive end markets, with large chemical majors leading the sheet and film segment.
The domestic market is highly sensitive to construction and industrial cycles, and a slowdown in domestic sales has been cited as a factor weighing on results between 2023 and 2025.
In contrast, specialty segments such as cooling and energy-saving materials tied to AI data center investment, security documents for government IDs and e-passports, and aviation flame-retardant materials are viewed as relatively structural growth drivers.
The smart-farm greenhouse covering materials market is also expected to see gradual expansion, supported by domestic policy support and the spread of facility horticulture.
In the competitive landscape, global majors such as Covestro, SABIC, Lotte Chemical, and Mitsubishi Engineering-Plastics dominate the general-purpose PC market, while S-Polytec, operating at a comparatively smaller scale, pursues a market-entry strategy centered on specialty products backed by certifications and reference cases.
In this process, securing quality and safety certifications—such as the top-tier Class A rating under the US ASTM E84 fire-safety standard and Korea Expressway Corporation certification—has become a key precondition for entering new markets.
The company has designated 2026 as the 'year of earnings turnaround' and stated its focus on expanding specialty product sales and gaining share in new growth markets.
Quality verification for AI data center PC materials was completed through the first three shipments between November 2025 and April 2026, and full-scale mass-production supply began with the fourth shipment at the end of June 2026.
Building on this, the company plans to expand supply volume within that data center and broaden application to global data center markets, including Asia.
It also intends to expand existing specialty lines such as aviation flame-retardant materials and security document PC film (MF), while pursuing cost reduction and production efficiency in the second half.
The new Firestop product targets public infrastructure markets such as road sound barriers, railway facilities, and bridge structures, and smart-farm greenhouse covering material supply continues to expand through region-specific projects and individual farm customers.
These plans, however, represent company-stated direction, and actual volume expansion and new contract execution will need to be confirmed through future disclosures and quarterly results.
The current share price trades at a multiple below net asset value, placing it in a discounted range relative to book value. That said, the company recorded annual net losses in 2022-2023 and again in 2025, so the historical volatility of earnings should be weighed alongside this.
The trailing four-quarter combined net profit remains in loss territory, meaning valuation metrics based on earnings still reflect a pre-normalization stage.
On the dividend side, recent fiscal years have alternated between periods with no dividend and periods with a small payout, giving the stock a different profile from stable dividend payers in the sector.
The rise in the debt ratio from 71.2% in 2024 to 95.2% in 2025 is a factor to weigh alongside price-to-book comparisons, given the shift in financial leverage.
Since the earnings trend turned from loss to profit starting in the first half of 2026, how this trajectory feeds into these valuation metrics in coming quarters warrants continued monitoring.
PER, EPS, PBR and BPS are all calculated in-house (the same method as Naver and Toss) · Dividend yield = cash dividend per share from DART filings (supplemented by KRX) ÷ current price · As of 2026-08-23
The share of specialty products—multiwall sheets, flame-retardant PC, MF—rose from 36.2% of sales in H1 2025 to 40.1% in H1 2026. Within this, aviation flame-retardant materials grew 167.1% and security film 31.7%, with these higher-margin items driving the earnings improvement. Consecutive operating profits in Q1 and Q2 2026 coincided with this mix shift.
The company began full mass-production supply of cooling containment PC materials (SKYLITE, EXEET PC) to a North American big-tech AI data center from late June 2026. It had earlier secured the top-tier Class A rating in the US ASTM E84 fire-safety test, demonstrating both cooling efficiency and fire safety. Based on this, the company plans to expand supply volume and pursue global data center markets including Asia.
In August 2026 the board approved a KRW 1.0bn treasury stock buyback, with the acquisition period running from August 14 to November 13. The purchase is via direct on-market acquisition on KOSDAQ, with NH Investment & Securities handling the brokerage. The company already held 891,366 common shares (5.46%) as treasury stock prior to this additional buyback.
2025 revenue fell to KRW 66.68bn from KRW 80.16bn a year earlier, with an operating loss of KRW 4.81bn and an owner net loss of KRW 8.79bn, reverting to loss after the 2024 profit. The net loss widened to KRW 4.23bn in Q4, the main driver of the full-year deterioration. Only one of the four years from 2022 to 2025 (2024) was profitable, reflecting high earnings volatility.
The 2025 debt ratio rose to 95.2% from 71.2% in 2024, a 24.0 percentage point increase. Over the same period, equity declined from KRW 65.21bn to KRW 56.40bn. This is interpreted as a result of the 2025 annual net loss pressuring the capital base.
Combined owner net profit from Q3 2025 through Q2 2026 remains negative at roughly KRW -1.03bn. Despite profits in Q1 and Q2 2026, the large losses in Q3 and Q4 2025 (KRW -0.31bn and KRW -4.23bn) continue to weigh on the trailing window. Whether the recent rebound is sustained will require confirmation through upcoming quarterly results.
New AI data center revenue relies significantly on a specific North American big-tech customer's data center project. With high dependence on a specific customer and project, a reduction or delay in orders from that project could quickly reduce the revenue contribution.
If expansion into new markets such as Asia does not proceed as planned, diversification of growth drivers could be delayed.
Raw materials for PC and PMMA sheets and films are petrochemical-based resins exposed to fluctuations in global oil prices and petrochemical spreads. A sharp rise in raw material costs, if not immediately passed through to product prices, could pressure margins.
Conversely, a decline in raw material prices could trigger inventory valuation or selling-price reduction pressures.
Domestic demand for construction materials and industrial products is sensitive to construction and industrial cycles, raising the possibility of a repeat of the domestic demand slowdown seen in 2025.
Changes in smart-farm support policy or public infrastructure order schedules could delay the revenue contribution timing of related new products (SKYLITE, Firestop). Competing against large chemical majors such as Covestro, SABIC, and Lotte Chemical could expose differences in pricing and volume response capacity.
Check the Q3 2026 earnings disclosure to see whether the specialty sales mix holds above 40% and whether operating profit continuation is maintained.
This marks the end of the treasury stock buyback period; the actual number of shares acquired and average purchase price should be disclosed and checked.
Confirm whether additional supply volume expands following the fourth shipment to the North American AI data center, and whether new data center customers in Asia or elsewhere are secured.
Check whether the new Firestop product secures public procurement contracts in areas such as expressway, railway, and bridge infrastructure.
S-Polytec is in the midst of restructuring its business from general-purpose PC/PMMA sheet products toward a specialty-centered model spanning security film, aviation flame-retardant materials, and AI data center PC materials, with consecutive operating profits in Q1 and Q2 2026 partially confirming this effect.
However, full-year 2025 results ended with lower revenue and a large net loss, and the trailing four-quarter combined net profit remains in loss territory, meaning further confirmation is needed before a full normalization can be called.
The rise in the debt ratio from 71.2% to 95.2% within a year is a change warranting attention from a balance-sheet stability perspective.
On the other hand, the start of mass-production supply to a North American AI data center, strong growth in aviation and security-document specialty products, and the KRW 1.0bn treasury stock buyback stand out as positive factors.
How much the specialty mix improvement and the profit trend continue in upcoming quarters will likely be the key variable determining whether earnings normalization takes hold. Investment judgment should weigh these bullish and bearish factors together and is left to the reader.
Report written 2026-09-05 · Data as of 2026-09-04
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