Mark Ship Chandler:


Cargo Hold Block

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Product Short Description: Cargo Hold Block is useful to protect from aggressive or corrosive dry bulk cargoes such as fertilizers, salt, coal, or sulphur.
Product Technical Specification:
  • Product metal against corrosive cargo
  • Products paint against cargo penetration
  • Environmentally friendly
  • Safe to  use in occupied / covered areas
  • Reduces turn around times
  • Easy to direct spray
  • If hold cleaning is to be performed from tank top level only powerful equipment designed for cargo hold cleaning will do the job in a minimum of time.
  • Effective cleaning chemicals that can dissolve stains and remove discoloring are required the crew needs to have effective  equipment to apply these chemicals from tank top level personal proactive equipment is required depending on type and condition of hold paint chemical that protect the paint may also be needed
  • And don’t forget procedures  have to be drown up and your
  • Crew  trained for the job Standardization of equipment and chemical onboard you ship will make life easier for your seaman and save your time
Remarks:

Refer this link for complete set of HOLD CLEANING KIT  ::: http://rxmarine.com/Ship-hold-cleaning-kit-set-supplier

SLIPcoat supplier in Sohar Muscat Oman, Fujairah Dubai UAE

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Sodium Hypo Chlorite 12-15 Percent

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Product Short Description: High-test hypochlorite (HTH) is sold for chlorination of WATER
Product Technical Specification:

12.5% wt. SODIUM HYPOCHLORITE - EXTRA - PURE

Parameters Specification Range Typical

Sodium Hypochloriteas NaOCl (%wt)

 12.5 - 13.2 13.0
Available Chlorine (%wt) 11.9 - 12.6 12.4
Available Chlorine (%vol) 14.3 - 15.3 15.0
Available Chlorine grams/liter 143 - 153 150
Excess Caustic (%wt) 0.25 - 0.80 0.30
Specific Gravity @ 60°F 1.197 - 1.220 1.210
pH 12.0 - 13.0 12.50
Iron (Fe) ppm <0.5 0.05
Nickel (Ni) ppm <0.2 0.02
Copper (Cu) ppm <0.2 0.05
Mercury (Hg) ppb 0.001 - 0.003 0.002
Sodium Chloride (NaCl)% <15.0 12.5

Appearance: Clear greenish-yellow liquid miscible in any proportion with water.
This product meets the requirements of NSF standard 60 for drinking water.

Remarks:

Sodium Hypo Chlorite

Electrolysis Process ( Pure & Concentrated )
This is an improved version of this method, known as the Hooker process, In the process, sodium hypochlorite (NaClO) formed when chlorine is passed into cold and dilute sodium salt solution. It is prepared with minimal separation between the anode and the cathode .The solution must be kept below 40 °C (by cooling coils) to prevent the undesired formation of sodium chlorate and to keep chlorine concentration up to 15%.

Chloro Alkali process ( Chlorine value is less )

E. S. Smith patented a method of sodium hypochlorite production involving electrolysis of brine to produce sodium hydroxide and chlorine gas, which then mixed to form sodium hypochlorite. This is known as the chloralkali process. Both electric power and brine solution were in cheap supply at the time, and various enterprising marketers took advantage of the situation to satisfy the market's demand for sodium hypochlorite. Bottled solutions of sodium hypochlorite were sold under numerous trade names.

Bye Products ::: NEVER use this product as it contains hazardous mixture.

This is bye products of HEAVY / Metal industries. During treatment of main products, huge quantities of SOD. HYPO Chlorite produce, with mixture of many unwanted toxic impurities . This is completely waste of the plant , but sold by traders to satisfy market demands.

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Slip Barrier Coats HOLD BLOCK

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Product Short Description: Polymer BASED non reactive coating materials which makes thin film barrier on surface after dry. Due to formation of RXSOL THIN barrier film on surface, the cleaning operation after unloading becomes quicker and easier with optimum results.
Product Technical Specification:
  • Product metal against corrosive cargo
  • Products paint against cargo penetration
  • Environmentally friendly
  • Safe to  use in occupied / covered areas
  • Reduces turn around times
  • Easy to direct spray
  • If hold cleaning is to be performed from tank top level only powerful equipment designed for cargo hold cleaning will do the job in a minimum of time.
  • Effective cleaning chemicals that can dissolve stains and remove discoloring are required the crew needs to have effective  equipment to apply these chemicals from tank top level personal proactive equipment is required depending on type and condition of hold paint chemical that protect the paint may also be needed
  • And don’t forget procedures  have to be drown up and your
  • Crew  trained for the job Standardization of equipment and chemical onboard you ship will make life easier for your seaman and save your time
Remarks:

Refer this link for complete set of HOLD CLEANING KIT  ::: http://rxmarine.com/Ship-hold-cleaning-kit-set-supplier

SLIPcoat supplier in Sohar Muscat Oman, Fujairah Dubai UAE

 

What is Hold Block and why hold block application is better than LIME WASH?

When aggressive or corrosive dry bulk cargoes—such as fertilizers, salt, coal, or sulphur—come into direct contact with the metal surfaces of ship holds, they can cause rapid corrosion and surface degradation due to chemical reactions. This not only weakens the structural integrity of the vessel but also leads to costly repairs and safety risks.

To prevent such reactions and ensure long-lasting surface protection, a polymer-based protective coating is the ideal solution.

Why Use Polymer based HOLD BLOCK Coating in Cargo Holds?

  • Chemical Resistance
    Acts as a barrier against corrosive cargoes, preventing direct metal contact and chemical reaction.

  • Easy Application
    Applied by brush, roller, or spray before cargo loading. Forms a durable, even protective film.

  • Temporary or Voyage-Specific Use
    Perfect for short-term voyages carrying highly reactive cargoes, allowing for easy cleaning and reapplication after discharge.

  • Prevents Pitting & Rust Formation
    Shields steel from moisture, acidic residues, and abrasion, reducing long-term maintenance costs.

 

Field and Typical Applications of HOLD BLOCK

 

  • Sulphur

  • Salt

  • Phosphates

  • Urea

  • Coal & Petcoke

  • Cement

  • Bauxite

Why Hold Block is better choice than LIME COATING

  • Polymer-based water-resistant coating

  • Safe on all standard marine metal surfaces

  • Compatible with hold cleaning chemicals

  • Non-reactive, non-toxic, and easy to remove

  • Protects for the entire duration of cargo voyage

 

Recommended Use of Cargo Hold Block 

 

Apply 1–2 coats uniformly across cargo hold surfaces prior to loading reactive cargo. For enhanced protection, focus on:

  • Tank tops

  • Bulkheads

  • Frames and internal structures

  • Hatch coamings

Cargo Hold Block Available Across Indian UAE Oman coastal:

  • UAE: Dubai, Fujairah, Abu Dhabi, Sharjah, Khor Fakkan

  • Oman: Muscat, Sohar, Duqm, Salalah

  • India: Mumbai, Kandla Mundra Jamnagar Sikka, Kolkata Haldia Paradip, Visakhapatnam, Chennai Manglore

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