MIDORI SHOKAI Co., Ltd.MIDORISHOKAI CO.,LTD.

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ColorManholeTOTAL SUPPORT
Total Support for Colored Manholes

Colorful Manholes, Vibrant Urban Scenes

Process 1
Shot Blasting(Surface Treatment)

By applying shot blasting to the surface of the cast metal, adhesion with the undercoating (EP-80) is increased.

Process 2
EP-80(Undercoating)

Use a two-liquid epoxy resin coating with strong adhesion with the cast metal. Also has excellent adhesion with the injection epoxy poured in after drying, as well as excellent anti-rusting effects.

Process 3
Injection Epoxy(Pouring)

The epoxy is easy to mix, has good flowability, and is excellent in workability. It also has excellent durability, including abrasion and shock resistance.

Process 4
Cho-U – UV Cut Clear(Topcoat)

A two-liquid urethane resin coating is applied to protect the injection epoxy from ultraviolet rays.

Characteristics

Durability

Abrasion resistance

Taber method, CS-17 (1 kg/1000 cycles)

90mg
Shock resistance

Dupont method (Ф1/2inch × 500 mg)

50cm
Flexural strength

JIS K 6911

550kgf/cm2
Compressive strength

JIS K 6911

840kgf/cm2
Tensile strength

JIS K 6911

410kgf/cm2
Water resistance

Tap water, immersed at 20℃ for 24 hrs

No abnormalities
Acid resistance

5% sulfuric acid aqueous solution, immersed for 24 hrs

No abnormalities
Alkali resistance

5% sodium hydroxide aqueous solution, immersed for 24 hrs

No abnormalities
Solvent resistance

Xylene, immersed for 24 hrsNo abnormalities

Toluene, immersed for 24 hrsNo abnormalities

Ethanol, immersed for 24 hrsNo abnormalities

Oil resistance

Machine oil, immersed for 24 hrsNo abnormalities

Gasoline, immersed for 24 hrsNo abnormalities

Gas oil, immersed for 24 hrsNo abnormalities

Weather resistance

100-hr UV light irradiation test with fade meterΔE measurement value: 2.9
* When Cho-U – UV Cut Clear is applied
Gloss
Glossiness
Specular reflectivity at 60◦104
Workability
ViscosityMain agent: 750 mPa・s
Hardening agent: 80 – 700 mPa・s

* At 20℃

Ultra-low viscosity means:

  • Less resin remains in the can
  • Easy to stir
  • Good flowability and workability, even when working with fine patterns
  • Good defoaming effects for a nice, clean finish.

Company Information

Company name
MIDORISHOKAI CO., LTD.
Address
4-7 Takakuracho, Atsuta-ku, Nagoya, Aichi Prefecture. 456-0015
TEL
+81 (0)52-671-7211
FAX
+81 (0)52-682-2598
Established
1950
CEO
Ariyasu Mizuno
Capital
¥10,000,000
Business operations
Sale of paint and chemical products, paint auxiliaries and paint equipment
Paint facility design and installation work
Various services and support for manufacturing sites
Qualifications
Poisonous and Deleterious Substances Engineer
Hazardous Materials Engineer, Class B, Type IV
Operations Chief for Organic Solvents
Operations Chief for Specified Chemical Substances and Tetra Alkyl Lead, Etc.
Completed Special Education for Crane Operation (up to 5 tons)
Permissions Registered
General Sales of Poisonous and Deleterious Substances, registration no. 1401
Hazardous Materials Type I Handling Facility, No. 118838

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