Shree TNB Polymers IPO: Sales recover and EBITDA expands, but the real test is filling half-full plants

1. IPO Overview

Shree TNB Polymers is a small Silvassa-based maker of plastic pipes and sheets coming with a 100% fresh issue.

What it makes

Shree TNB Polymers melts plastic granules and shapes them into pipes that carry water and flat sheets that become tanks, linings and packing. It runs two owned factories at Silvassa and sells under three shop-front names for three divisions.

• NOBLE (Piping Division) — the core. HDPE pipes from 20 mm to 630 mm for water supply, sewerage, drainage and cable ducts, PP and PPH pipes for acids and hot chemicals, fittings such as elbows, tees and flanges, Double Wall Corrugated (DWC) pipes with a strong outer wall and smooth inner wall for drains and culverts, plus drip laterals, sprinklers, rain guns, filters and venturis for farm irrigation.
• TIRUPATI (Solid Industrial Sheets Division) — thick solid sheets in PPCP, PPH, HDPE, glass-filled and polystyrene grades from 0.5 mm to 25 mm, and block sheets up to 100 mm for chemical tanks, machine parts and fabrication.
• WELLPACK (Corrugated Sheets Division) — hollow polypropylene sheets with air channels, like plastic cardboard, for boxes, signboards, partitions and floor protection.

Quality stamps matter here. The plants are ISO 9001 and ISO 14001 certified and hold Bureau of Indian Standards licences for water, sewerage, DWC and irrigation products, which allow sales into water boards and subsidy-linked irrigation.

Who buys and how they pay

Buyers are farmers needing drip and sprinkler sets, contractors laying village water and drainage lines, chemical and electroplating plants needing corrosion-proof pipes and sheets, and traders needing light packing sheets. The company reaches them in two ways.

It sells through more than 325 dealers in hubs including Pune, Mumbai, Chennai, Indore, Delhi and Ahmedabad, and directly to businesses and farmers. There are no long-term contracts. Business comes as repeat purchase orders that can be changed or cancelled, with 49 to 86 days credit to dealers. Sales commission to push that network is a large cost, alongside freight on third-party trucks and 39 rented warehouses.

How big it is

Noble pipes are about three-quarters of sales, with the two sheet divisions sharing most of the rest. Sales are almost entirely domestic, with Maharashtra alone about half, and exports to Oman, Sri Lanka and the UAE under 1%. B2B through dealers dominates, though direct and retail sales have grown.

The mix shows a piping-led business with a slowly rising retail leg and a narrow geography. Maharashtra plus Gujarat together were about two-thirds of sales in FY2026.

Scale on the shop floor is measured in kilograms shaped. Capacity is rated for 300 working days after cleaning and changeover allowances.

Older plants ran about six-tenths full in FY2026, and the newly bought DWC plant at Masat ran less than half full on part-year capacity. Orders of about Rs 30.34 crore as on August 31, 2026 cover only a few months of sales.

3. Use of Funds

The entire issue is fresh, so all net proceeds go to the company. OFS is nil, so no money goes to selling shareholders.

• Capital expenditure for purchase of machinery: up to Rs 15.86 crore.
• Capital expenditure for purchase and installation of solar rooftop: up to Rs 2.60 crore.
• Part finance for pre-engineered building for the new Athal plant: up to Rs 1.32 crore.
• Repayment of certain borrowings: up to Rs 5.62 crore.
• General corporate purpose: amount not disclosed.

The plan adds drums, pallets, corrugated and honeycomb sheet capacity, cuts the power bill modestly and trims only a slice of debt.

4. Financials Overview

The company has no subsidiaries, so restated profit is fully for owners. All years below are full 12 months ended March 31.

Sales dipped sharply then partly recovered, yet cash profit and net profit rose each year as material cost fell as a share of sales. Returns on net worth drifted down even as profit grew, because equity expanded.

5. What the financials tell us

Sales wobbled, margins improved, but cash stayed stuck with dealers and in stock. Growth was funded by suppliers and bank loans, while old and new plants still have spare room. The IPO would buy more machines that are not yet ordered and repay only a small part of debt.

Sales fell then bounced, profit rose because plastic cost less

Revenue fell about 15.5% in FY2025 then rose about 12.8% in FY2026. The swing came from Noble piping, which fell about a fifth then recovered about a sixth, with no disclosure of volume versus price.

• Margins still moved up each year because the cost of materials consumed fell from about 63% of total income to about 60%, and a spike in bought-in traded goods in FY2025 reversed.
• That gain was partly eaten by selling costs, with commission rising from about Rs 6.04 crore to about Rs 10.77 crore over two years.

For an investor, profit held up through cheaper inputs and mix, not steady volume growth. If resin prices rebound or discounts rise to hold dealer orders, that margin lift can reverse.

Old plants are six-tenths full, the new DWC plant is less than half full

In FY2026 Wellpack ran at about 58%, Tirupati at about 60% and Noble Facility-I at about 66% of rated capacity. The second Noble plant, bought by slump sale on March 31, 2025, ran at about 46% on proportionate capacity for the part year owned, implying lower use on full capacity.

• That plant added about Rs 21.94 crore of DWC sales in FY2026, about a tenth of sales, and helped the rebound.
• The five proposed machines would add 6,700 tonnes a year, about a quarter on top of the existing base, against orders of about Rs 30.34 crore.

The build is for future growth, not a current backlog. The IPO expansion only pays if both existing spare tonnes and large new tonnes get filled with fresh sales.

Profit does not turn into cash because dealers pay slowly and stock is large

At March 31, 2026 customers owed about Rs 51.25 crore and stock stood at about Rs 34.80 crore, while dues to suppliers were about Rs 35.28 crore. Receivables were about 26% of sales, up from about 17% two years earlier.

• Dealer credit of typically 49 to 86 days and average supplier payment of 83 days explain the swing in operating cash: about Rs 6.99 crore, then about Rs 4.34 crore, then about Rs 8.83 crore, even as profit rose each year.
• In FY2025 a large build in stock and receivables left little cash; in FY2026 a smaller stock build let cash recover despite another jump in receivables.

Heavy plant spending then used up almost all operating cash in FY2026 and more than all of it in FY2025, with the gap met by short-term borrowing. Unless collection improves, growth will keep needing outside funding.

New machines, solar and building are all unordered, debt relief is small

None of the IPO machines, solar roof or building work is ordered. The company holds only quotations valid for six months or 180 days and warns any price rise must come from its own cash.

• The 812 kWp rooftop is expected to make 11.5 to 12.0 lakh units a year and save about Rs 80 lakhs to Rs 95 lakhs against a power bill of about Rs 7.58 crore, with four to five year payback.
• Repaying about Rs 5.62 crore leaves most of the Rs 44.56 crore secured debt in place, so interest on about Rs 6.04 crore of finance cost will stay high while new plant adds depreciation.

All bank loans carry personal guarantees from three promoters and a promoter-group member. Timing, final cost and interest relief are all uncertain until vendors are fixed and the plant is working and filled.

A family-linked plant buy now drives a tenth of sales

In FY2025 the company bought the Noble Polytec DWC business for Rs 5.81 crore from a firm linked to a promoter's son, adding plant and creating about Rs 1.09 crore of goodwill. Day-to-day related sales and purchases remain tiny against total sales.

• With no subsidiaries or group companies, all restated profit belongs to owners with no minority share.
• The document flags no comprehensive transfer deed for old partnership takeovers, leaving scope for disputes over what was transferred.

The main effect is the acquired asset base, not current trading. Its ramp decides whether the price paid earns.

6. Valuation Analysis

For a profitable operating maker like this, the right lens is earnings multiple on post-issue shares, with book value as a check. At Rs 50 to Rs 53, post-issue market value is Rs 106.72 cr to Rs 113.13 cr.

Against peers at 7.70x to 40.37x, the band sits near the median of 15.69x, a small discount at the floor and a small premium at the cap. That parity is not earned. The closest peer on product and scale trades far cheaper while delivering higher profit per rupee of sales and higher return on equity, with steadier growth and without a large unordered expansion. Earnings quality also tempers the multiple, since profit is locked in receivables and stock and operating cash trails profit. The price pays for filling spare and new capacity plus modest power and interest savings that do not yet exist.

7. Peer Analysis

Basis: subject P/E is band price times 21,344,997 post-issue shares divided by FY2026 reported PAT; peers are closing price on September 16, 2026 divided by FY2026 audited EPS as printed in the offer document.

Source: RHP — Comparison of KPI with Listed Industry Companies; pages 165-166. Calculated from the RHP's revenue figures; every other cell is as printed.

The real comparison is Malpani, a similar HDPE and irrigation pipe maker of similar scale. Malpani grew about 16% over FY2024 to FY2026 while TNB ended lower than two years earlier despite the FY2026 bounce, and Malpani converts sales into more profit and higher return on equity.

Key differences that matter here are profitability, growth quality, cash and capacity. TNB's margin lift came from cheaper resin share, yet its net margin and return still trail Malpani and selling commission keeps climbing. Its FY2026 recovery leans on newly acquired DWC tonnes while core piping remains volatile on order-based demand and half its sales sit in Maharashtra. Cash swings with collections across the industry, but TNB's dues at about a quarter of sales plus large stock leave it more exposed, and it alone is asking investors to fund a quarter more capacity while existing plants run half to two-thirds full with nothing ordered. Paying roughly double Malpani's multiple for thinner, more volatile and cash-light earnings is therefore hard to justify; parity with the larger but lower-margin Texmo is at best full.

8. Moat

What makes it different

The edge is commercial and compliance-based, not technological. A network of more than 325 dealers, BIS licences for water, sewerage and irrigation, ISO systems and an in-house lab that tests pressure, strength and ageing let it sell into contractors, factories and subsidy schemes and support repeat orders.

• An end-to-end range across pipes, irrigation hardware and two sheet types under Noble, Tirupati and Wellpack helps a dealer buy more from one supplier.
• Two Silvassa plants with extrusion and moulding plus testing under one roof aid quality control and dispatch within 72 hours.

None of this is hard to copy over time. Resin is a commodity bought on purchase orders, dealers are non-exclusive and rivals compete on price, network and delivery. It is table stakes executed reasonably well rather than a lasting moat.

Tailwinds

Policy-led water and farm spending directly lifts pipe volumes. Jal Jeevan Mission, AMRUT, Smart Cities, irrigation subsidies and sanitation investment drive demand for HDPE, DWC and drip lines, while replacement of rusting metal with light plastic aids adoption.

The addressable market is large and growing, with the Indian plastic pipes, fittings and sheets market estimated at USD 9.7 billion in 2026 and forecast to grow strongly to 2035, according to industry sources cited in the document. Organised brands with standards and branding can gain in smaller cities as quality enforcement tightens.

How durable the edge is

Durability is modest. As long as government water and irrigation outlays hold and resin stays calm, distribution and certification can convert demand into reorders. If projects stall, resin spikes, or a large dealer delays payment, the same fixed plants, rented warehouses and working-capital load leave it discounting to keep volume. Without proprietary product or locked-in customers, rivals can match price and delivery.

9. Risks

• Customer and order risk: top 10 buyers were about 30% of sales with no long-term contracts. Loss or deferral by one large contractor or dealer directly cuts revenue and strands stock.
• Input and supplier risk: top 10 suppliers were about 61% of purchases and resin tracks crude with no long-term supply deals. In a fragmented market with unorganised price cutters, cost spikes cannot be passed quickly and margins compress. This is industry-wide but sharper here given thin net margins.
• Cash and leverage risk: dues of about Rs 51.25 crore plus large stock are funded by supplier credit and Rs 44.56 crore of secured loans charged on plant and working assets. Delayed collection forces more borrowing, and covenant breach can trigger repayment. All loans carry promoter personal guarantees.
• Capacity and execution risk: older divisions at 58% to 66% use and the new DWC plant at about 46% question a 6,700-tonne addition where 100% of machinery is unordered on short-validity quotes. If demand softens, fixed costs and depreciation rise with no return.
• Governance and compliance risk: continuing related-party dealings, missing transfer deeds for old takeovers, past delays in tax and filing compliances, and material litigation including a large promoter suit add overhang beyond business cycles.

10. Verdict

The call rests on four load-bearing facts: margins improved only because material share fell while sales stayed below FY2024 levels; profit is locked in dealer dues and stock so operating cash trails profit; plants run half to two-thirds full yet the IPO adds a quarter more capacity with nothing ordered; and the band at 15.0x to 15.9x post-issue earnings demands roughly double the multiple of the closest pipe peer without superior growth, margins or returns.

That makes the issue fully priced at best. For the thesis to work, dealers must reorder faster for DWC, drip and sheets, resin must stay calm, and receivables days must fall so cash converges to profit while new tonnes fill quickly. It breaks if a large buyer delays, resin spikes, or unordered capex slips in cost and timing while interest stays high. Earnings multiple is the right lens here, and on that lens the price leaves little room for the working-capital and utilisation risks.