Ekansh Mittal Profile picture
Jul 17, 2023 11 tweets 5 min read Read on X
Recently came across a few listed cos. dealing in chlor-alkali products and its derivatives

Was pleasantly surprised to find such companies commanding 20-30% operating margins

Major players are operating at 90% + utilization and have CAPEX plans for 1-2 years...small 🧵

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What is Chlor-Alkali?

The chlor-alkali process is a widely used electrolytic process that yields chlorine and caustic soda (NaOH - Sodium Hydroxide)

Caustic soda is used in making of soap & detergents, drainpipe cleaner etc.

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Caustic soda is produced through the electrolysis of sodium chloride (NaCl) solution

3 main types of processes used to make caustic soda:

a) Mercury Cell Process
b) Diaphragm Cell Process
c) Membrane Cell Process

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Forms of Caustic Soda

Caustic soda/(NaOH) is primarily available in 3 different forms

a) Solid Caustic Soda

(i) Caustic soda pearl/Bead lets or Soda Grains
(ii) Caustic soda flakes

b) Liquid Caustic Soda/Caustic soda lye solution/NaOH in an aqueous solution

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Basic difference between Lye and Caustic Soda:

Lye can refer to either sodium hydroxide (NaOH) or potassium hydroxide (KOH), while caustic soda refers to sodium hydroxide (NaOH)

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What is Electrochemical unit realization?

The electro chemical unit (ECU) realizations represent combined weighted average realization of caustic soda, chlorine and hydrogen (wherein chlorine and hydrogen are co-products of caustic soda)

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Industrial ECU realization trend

ECU realizations: ₹23k/MT in FY21, rebounded to ₹55k/MT in FY-22

By April 2023, dropped to ₹33k/MT due to oversupply, impacting caustic soda players' profits

Attached; some manufacturer's ECU realization in chart form

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Key Raw Materials used to make Caustic Soda & its suppliers in India

o Key raw materials are salt (sodium chloride), water & energy in the form of electricity

o Key suppliers of raw materials in India include Tata Chemicals, Gujarat Alkalies and Chemicals and Nirma Ltd

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Usage & applications of Caustic Soda

a) Chemical Industry
b) Paper and Pulp Industry
c) Textile Industry
d) Aluminum Industry
e) Water Treatment
f) Petroleum Industry

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Key Indian & Global Players List

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Sources referred: Image

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More from @EkanshMittal_KW

Dec 26, 2025
Molecular Diagnostics is a small and fast growing industry in India

There are very few listed players - 3B Blackbio being one of them

Here's a detailed 🧵 on the industry with lots of charts and data

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Molecular diagnostics is gaining prominence as a vital tool for early and accurate  disease detection

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To understand India’s Molecular Diagnostics market, we must first look at the broader Diagnostic Industry

It has 3 major segments:

• Routine Tests
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Dec 2, 2025
Was reading about Sealmatic India

I particularly like Engr. goods cos. with small replacement cycle

They are a lot like FMCG

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Here's a 🧵 on Seals industry

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A seal is a device used to prevent leakage of liquids, gases, oil, chemicals, water, steam, or air from one area to another

It prevents dust and contaminants from entering machinery such as pumps, motors, compressors, engines, and household appliances

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Why Seals Are Needed?

- To prevent leakage of liquids, gases, oil, chemicals, water, steam, or air from one area to another
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Read 10 tweets
Oct 29, 2025
Analyzing a banking stock is very different from studying regular listed company

Banks follow unique accounting norms making their analysis distinct

In this 🧵, we’ll simplify key banking terms to help you understand how banks operate

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How Banks Earn Money

Banks take Deposits from their account holder customers and give Loans to others. Bank pay you a small interest and charge borrowers a higher one

The difference = Bank's main profit

That’s where NIM (Net Interest Margin) comes in

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NIM (Net Interest Margin)

NIM = Interest earned on loans – Interest paid on deposits

NIM Margins= (Interest earned on loans – Interest paid on deposits) ÷ Earning Total assets

Higher NIM → better profitability. Lower NIM → rising funding costs or weaker pricing power

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Oct 17, 2025
Recently, was going through details of cos. that make plywood, MDF, etc

Wood panel industry is progressively getting organized

Wood panels include - Plywood, MDF, Particle Boards, Laminates & Decorative Veneer

Here's a small🧵based on the details publicly available

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Plywood – Strong, durable furniture and structures

MDF – Smooth, paintable decorative

Particle Board – Low-cost furniture and panels

Laminates – Decorative, scratch-resistant finishes

Veneers – Premium, natural wood look

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Wood panel industry reached ₹550-600 billion in FY23‑24, growing ~10% CAGR since FY18

Strong growth in MDF (25% CAGR) and particle board (12% CAGR) highlights rising demand for cost‑effective, versatile engineered wood

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Oct 6, 2025
Was reading about Prevest Denpro

Co. manufactures over 100 dental products and is working on developing 3d printers for Dental industry

Dental industry is still underpenetrated in India

Here's a detailed 🧵 with loads of charts and data on Dental industry

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What are Dental problems?

Dental problems refer to diseases or conditions that affect the teeth, gums, jaw, or mouth

They can range from minor issues like tooth sensitivity to serious infections that may impact overall health

Top 5 Dental Problems in India

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Key Dental Specialties

Endodontics: Root canals for infected teeth
Prosthodontics: Replacing missing teeth
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Restorative: Fixing damaged teeth
Aesthetic: Enhancing smile
Others: cleanings, etc.

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Was reading about EMS Ltd...co. got listed around 2 yrs back and is into waste water mgmt. and treatment

By 2030, nearly 2/3 of the world may face water stress

Thus, waste water treatment and management industry will play a key role

Here's detailed 🧵 with lots of data

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Let us familiarize with key terms:

Sewage: Wastewater from households

Effluent: Wastewater generated from industrial processes

Sludge: Semi-solid by-product generated during Waste  water treatment

Flocculants: Agents helping small particles aggregate into larger flocs

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Key Sources of waste water generation:

1) Domestic: Toilet, bathrooms, kitchen, rainwater from roof

2) Industrial: Wastewater from Manufacturing Units, Cooling water discharge

3) Agricultural: Irrigation runoff, Animal husbandry, Aquaculture effluents

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Read 11 tweets

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