Rubber Application

Butyl Rubber (IIR)

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Ha Thanh exclusively applies the technology, materials, and process techniques for rubber lining from OHJI Japan, providing a full-package service from rubber materials to complete project execution.

Butyl is the type of rubber with the best chemical resistance. It has the lowest vapor permeability among natural rubbers. It offers excellent resistance to H₂SO₄ and HF, making it suitable for FGD equipment, phosphoric acid plants, and nickel plants.

  • Reliable application
  • Precise thickness
  • Strong adhesion
  • Easy defect detection
  • Easy to repair
  • Very durable service life
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Characteristics

  • ( 01 )

    Gas Impermeability

    Butyl rubber has very low gas permeability, providing better protection for products and preventing gas loss.
  • ( 02 )

    Chemical Resistance

    Butyl rubber maintains its properties under various temperature conditions, which helps ensure performance in applications.
  • ( 03 )

    Chemical Resistance

    Butyl rubber is resistant to a wide range of chemicals, including inorganic acids and alkalis, with high efficiency in practical conditions.
  • ( 04 )

    Durability and Stability

    Butyl rubber performs well in harsh environments, helping to maintain long-term durability and performance.

Application

Ha Thanh exclusively applies the technology, materials, and process techniques for rubber lining from OHJI Japan, providing a full-package service from rubber materials to complete project execution.

Rubber mats with a thickness from 3mm to 20mm (1m width) and unlimited length, 100% free of air bubbles. Widely used for anti-corrosion lining for the equipment operating in the conditions below.

It offers excellent corrosion resistance against H3PO4 acid, H2SO4 acid, and acidic gas solutions. Among soft rubbers, Butyl rubber has the best heat resistance, chemical resistance, and vapor permeability, making it the ideal solution for anti-corrosion applications against H2SO4, H3PO4, and for equipment in Flue Gas Desulfurization (FGD) towers.

OHJI RubberCharacteristicsApplicationsVulcanization conditionsHardness
(Type A)
AutoclaveOpen steam
OHJI B-5
(B-15)
[STANDARD]
  • Standard for Butyl Rubber Type B-5 or B-15
  • Excellent chemical resistance
  • Outstanding resistance to vapor permeation, the best among all natural rubber types
  • B-5 and B-15 rubber are certified to meet the standard for water supply services (JWWA Z 109:2004).
  • Excellent anti-corrosion applications for equipment containing H2SO4, HF (hydrofluoric acid), and FGD equipment
  • Phosphoric Acid production plant
  • Nickel equipment storage tanks
●●57 ± 7
OHJI B-5B
(B-15B)
  • Halogenated (chlorinated) synthetic butyl rubber
  • The properties of B-5B and B-15B rubber are similar to those of Butyl B-5 and (B-15)
  • FGD (Flue Gas Desulfurization) tower equipment
  • Axit Phosphoric storage tanks
  • Nickel plant storage tanks
●●52 ± 7
OHJI B-55B
  • A type of butyl rubber that vulcanizes at the operating temperature of the equipment (self-vulcanizing type).
  • FGD (Flue Gas Desulfurization) tower equipment
●●52 ± 7
B-5C
(B-15C)
  • Halogenated (chlorinated) synthetic butyl rubber.
  • The properties and application performance are similar to B-5 and (B-15) rubber.
  • FGD (Flue Gas Desulfurization) tower equipment
  • Axit Phosphoric storage tanks
  • Nickel plant storage tanks
●●57 ± 7
OHJI B-5S
  • A pre-vulcanized type of rubber. When applied as a lining to equipment surfaces, there is no need for additional vulcanization.
  • Applications for lining equipment and tanks with oversized, large, or extremely large diameters, sizes, and shapes directly at the construction site.
  • Also used for repairs of flue gas desulfurization (FGD) tower systems.
  • Used for quick on-site patching and joint repairs.
No vulcanization required52 ± 7
OHJI B-115
  • B-115 rubber type is applied for Phosphoric Acid.
  • Lining application for storage tanks containing high-purity Phosphoric Acid
●●57 ± 7
OHJI B-215
  • B-215 rubber type is applied for Sulfuric Acid (H2SO4)
  • Lining application for storage tanks containing high-purity Sulfuric Acid
●●57 ± 7

* B-5, B-5CS, B-5BS, and B-15 rubber models meet food safety and hygiene requirements and are certified by the Ministry of Health, Labour and Welfare of Japan (in accordance with Regulation No. 85).

Ha Thanh is the only company in Vietnam that supplies genuine OHJI Butyl Rubber (B-5, B-15, B-5B, B-15B, B-55B, B-5C, B-15C, B-5S, B-115, B-215) manufactured by OHJI Japan in Vietnam.

Images

Other materials

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  • Glass Flake Application

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  • Rubber Application

    Natural Soft Rubber (NSR)

    Natural Soft Rubber (NSR) stands out for its high elasticity and good load-bearing capacity. NSR is widely used across various industries due to its flexibility and high durability.
Rubber Application

Special Material (EPDM)

Specialty Rubber (EPDM) is a type of synthetic rubber made from ethylene, propylene, and a small amount of diene. EPDM is notable for its resistance to weather, ozone, UV radiation,
Glass Flake Application

Glass Flake Application

Glass flake mortar lining is a type of composite material coating composed of vinylester and novolac-based compounds, ceramic powder, combined with ultra-thin glass flake reinforcement, and thermosetting resins resistant to
Rubber Application

Natural Soft Rubber (NSR)

Natural Soft Rubber (NSR) stands out for its high elasticity and good load-bearing capacity. NSR is widely used across various industries due to its flexibility and high durability.

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