White Pipe Jointing Compound

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WPJC-400G
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Vitcas® White Pipe Jointing Compound is a non-toxic, non-hardening sealant specifically formulated for sealing pipe threads in industrial and plumbing applications. Pipe jointing compound provides a reliable solution for systems handling hot or cold water, natural gas, LPG, and low-pressure steam, withstanding pressures up to 7 bar and temperatures up to 200°C. A pipe thread sealing compound is designed to fill gaps and irregularities between threaded pipes, creating a watertight and airtight seal. This type of sealant is particularly effective in hydraulic, gas, and fluid systems, where preventing leaks and maintaining pressure is essential. It also helps to lubricate threads, preventing seizing, galling, or corrosion, ensuring easy disassembly during maintenance or repairs. This makes it ideal for use in heating, cooling, and other pressurised systems.

Key Characteristics 

  • Non-toxic: Safe for use in diverse environments.
  • Easy Application: Smooth application ensures a secure and efficient seal.
  • Versatile: Effective for both hot and cold water systems.
  • Standards Compliant: Meets BS EN 751-2:1997 and BS6956 Part 5:1992 for consistent, high-quality performance.
  • Gas & Steam Compatible: Suitable for natural gas and low-pressure steam up to 7 bar and 200°C.
  • Non-Hardening: Remains pliable for long-lasting seals.
  • Material-Safe: Will not corrode aluminium, brass, copper, low carbon steel, or zinc surfaces.

Applications of Pipe Jointing Compound

  • Plumbing: Ideal for sealing threaded joints in residential and commercial plumbing systems, including water, gas, and steam lines. It provides flexible, leak-proof seals that can be easily adjusted or disassembled during maintenance.

  • Oil & Gas Industry: Used for sealing threaded joints in pipelines transporting crude oil, natural gas, and hydrocarbons in offshore platforms, refineries, and well control systems. It provides leak-proof connections that withstand high-pressure, high-temperature conditions and vibration.

  • Marine Industry: Ideal for sealing water, fuel, and hydraulic systems on ships, offshore platforms, and other marine vessels. Its non-hardening properties withstand constant movement and saltwater corrosion, ensuring long-lasting, secure seals.

  • HVAC (Heating, Ventilation, and Air Conditioning): Applied in refrigeration, air conditioning, and heating systems to seal refrigerant lines, gas pipes, and threaded connections. It ensures leak-proof seals, remaining flexible under temperature fluctuations, ideal for industrial HVAC systems requiring frequent maintenance.

  • Water Treatment: Seals threaded joints in water treatment facilities, water pipelines, and filtration systems. It prevents leaks in clean and wastewater systems, safe for water, and allows easy disassembly during maintenance.

  • Power Generation: Used in steam, water, and cooling systems in thermal and nuclear power plants. Its non-hardening nature is ideal for high-pressure steam lines, boilers, and heat exchangers, ensuring leak-proof seals under high temperatures and pressures.

  • Automotive & Heavy Machinery: Seals oil, fuel, coolant, and hydraulic lines in engines and machinery. Its flexibility is ideal for systems exposed to vibration and heat, allowing disassembly without damaging threads during maintenance.

  • Chemical Processing: Applied in pipelines and equipment transporting chemicals, solvents, and gases. It resists chemical corrosion and provides leak-proof seals under varying temperatures, making it reliable for chemical plants that require frequent adjustments.

  • Fire Protection: Used to seal threaded connections in fire sprinkler, deluge, and suppression systems. It provides long-term, leak-proof performance while allowing disassembly and resealing during inspections or system upgrades.

Instructions for Use

  1. Ensure threads are clean and free from burrs, grease, dirt, or contaminants.
  2. Apply the compound evenly across the male thread.
  3. The compound doubles as a lubricant, aiding in the tightening of pipe threads.
More Information
Product GroupPlumbing / Building
Size400g
ColorCream / Beige
ConsistencyPaste
Ready to UseYes
ManufacturerVitcas
Length20
Height20
Bredth20
Packing Buffer (in percentage)10
HS Tariff Code3214100000
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Product Q&A

Question
What types of pipework can this compound seal?
Answer
VITCAS Pipe Jointing Compound is formulated for sealing threaded joints in systems carrying hot or cold water, natural gas, LPG and low-pressure steam. It fills gaps and irregularities between mating threads to create a watertight and airtight seal. Check the operating conditions and installation requirements before using it on gas or steam systems.
Question
What temperature and pressure can the compound withstand?
Answer
The compound is suitable for applications operating at temperatures up to 200°C and pressures up to 7 bar. These limits make it suitable for specified water, natural gas, LPG and low-pressure steam systems. The complete installation must remain within both limits, and suitability should be confirmed for safety-critical or project-specific pipework.
Question
Which pipe materials are compatible with this jointing compound?
Answer
The compound will not corrode aluminium, brass, copper, low carbon steel or zinc surfaces. This allows it to seal threaded connections across a range of common plumbing and industrial pipe materials. Threads should still be checked for damage and cleaned thoroughly before application, as contamination or burrs can interfere with correct assembly.
Question
Can the sealed pipe joint be dismantled for maintenance?
Answer
Yes. The compound is non-hardening, so it remains pliable rather than setting into a rigid seal. It also lubricates the threads during tightening, helping to reduce seizing, galling and corrosion. These properties make threaded connections easier to adjust or dismantle when maintenance or repairs are required.
Question
How should pipe threads be prepared before application?
Answer
Ensure the threads are clean and free from burrs, grease, dirt and other contaminants. Proper preparation allows the paste to fill the thread gaps evenly and helps prevent an unreliable seal. Damaged or unsuitable fittings should be corrected or replaced rather than relying on the compound to compensate for defective threads.
Question
How is Pipe Jointing Compound applied correctly?
Answer
Apply the ready-to-use paste evenly across the clean male thread, then assemble and tighten the connection as required. The compound also acts as a lubricant during tightening, helping the threads engage smoothly. Use enough material to coat the thread evenly without treating it as a substitute for correctly matched and serviceable fittings.
Question
Does the compound meet recognised pipe-sealing standards?
Answer
The product meets BS EN 751-2:1997 and BS6956 Part 5:1992. These standards support its use as a non-hardening sealing compound for threaded pipe connections. The standards do not replace the need to follow the relevant installation rules, appliance instructions and system-specific requirements, particularly for gas or steam pipework.
Question
Is the jointing compound ready to use?
Answer
Yes. Pipe Jointing Compound is supplied as 400g of ready-to-use cream or beige paste, so no mixing is required before application. Stirring or adding other materials is not specified. Prepare the threads properly, apply the compound evenly to the male thread and close the container securely after taking the amount required.
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