Products

Welcome to Chiyoda UTE gypsum board product introduction page. This page is for design offices, architects, and also for general customers. Here you will find product specifications and also explanations of our products. For customers who are new, please take a look at our humidity control gypsum board.
“Gypsum board” is a product used in the interior of buildings and is based on the idea of health and comfort. In particular, if you are considering purchasing a house, or thinking about renovation, we are sure that you will find information to help you. If you would like to know more information regarding the environment and gypsum board, please refer to our commitment to the environment. We hope you will find some interest regarding gypsum boards.

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Chiyoda Ute’s “Sawayaka Gypsum Board” is an environmentally and people friendly product produced by natural materials, which controls humidity.
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Chiyoda Ute’s “FC Board” is a product which adsorbs and decomposes “formaldehyde”. Here you can see the experimental data in which we used FC Board. For product specifications please click here.

High Function Products

Xenna G Board

Gypsum board with higher level of fire resistance and soundproofing. Its strength and high density make suitable walls for schools and hospitals , where higher strength is required. Use of this gypsum board on the floor of residential housing will reduce the noise transmission to the floor below.

JIS A 6901 Standard

Category Xenna G Board
JIS product name Regural Hard-type Gypsum Board
Code GB－R－H
Thickness mm 9.5 12.5
Water content % 3 or under 3 or under
Bending Breaking
load N		 Length direction 500 or over 700 or over
Width direction 200 or over 250 or over
Impact resistance When a 500g steel ball is dropped from a height of 500mm, the board placed on sand shall not form an indentation larger than 20mm and the crack formed shall not pierce through. When a 500g steel ball is dropped from a height of 650mm, the board placed on sand shall not form an indentation larger than 20mm and the crack formed shall not pierce through.
Heat resistance m2∙K/W 0.026 or over 0.035 or over

Type, Certification Code, and Bulk Density of Fireproof Material

Type of fireproof material Noncombustible material Noncombustible material
Certification code NM-1139 NM-1139
Bulk density g/cm3 1.15±0.15 1.15±0.15

SAWAYAKA Gypsum Board

Wakkanai diatomite mixed into the base material creates a strong humidity control effect on a semi-permanent basis. The board absorbs and discharges moisture and helps keep the room at a pleasant level of humidity.

JIS A 6901 Standard

Category SAWAYAKA Gypsum Board SAWAYAKA Closet Board
JIS product name Humidity controlling
Gypsum Board		 Humidity controlling
Gypsum Board
Code GB－R－Hc GB－R－Hc
Thickness mm 9.5 12.5 9.5 12.5
Humidity controlling property g/m2 150 or over 150 or over 150 or over 150 or over
Other standard values Pursuant to GB-R Pursuant to GB-D

Type, Certification Code, and Bulk Density of Fireproof Material

Type of fireproof material Quasi-
noncombustible
material		 Noncombustible
material		 Quasi-
noncombustible
material		 Noncombustible
material
Certification code QM-0977(2) NM-5058(2) QM-0977(1) NM-5058(1)
Bulk density g/cm3 0.80±0.05 0.80±0.05 0.80±0.05 0.80±0.05

FC Board

Adsorbs and decomposes formaldehyde, one of the causes of sick building syndrome.

JIS A 6901 Standard

Category FC Board SAWAYAKA FC Board
JIS product name Gypsum Board Humidity controlling
Gypsum Board
Code GB－R GB－R－Hc
Thickness mm 9.5 12.5 9.5 12.5
Humidity controlling property g/m2 ― ― 150 or over 150 or over
Other standard values Pursuant to GB-R Pursuant to GB-R

Type, Certification Code, and Bulk Density of Fireproof Material

Type of fireproof material Quasi-
noncombustible
material		 Noncombustible
material		 Quasi-
noncombustible
material		 Noncombustible
material
Certification code QM-9828 NM-8619 QM-0977(2) NM-5058(2)
Bulk density g/cm3 0.65 or over 0.65 or over 0.80±0.05 0.80±0.05

AQUAPANEL Cement Board Indoor

Aggregated Portland cement board with coated glass fiber mesh embedded in back and front surfaces. AQUAPANEL Cement Board Indoor ensures stable performance of the system in use around water, by using the standard auxiliary materials. Where it is used: indoor pools, kitchen and bathrooms of hospitals and health facilities, shower rooms, underground double walls.

General Wall & Ceiling Boards

Gypsum Board

Widely used in the construction of residential housing to skyscrapers as fireproof material conforming to the restrictions on interior finish stipulated in the Building Standard Law.

JIS A 6901 Standard

Category Gypsum Board
Code GB-R
Thickness mm 9.5 12.5 15.0※
Water content % 3 or under 3 or under 3 or under
Bending Breaking
load N		 Length direction 360 or over 500 or over 650 or over
Width direction 140 or over 180 or over 220 or over
Non-combustibility Grade No.2 Grade No.1 Grade No.1
Heat resistance m2・K/W 0.043 or over 0.057 or over 0.068 or over

※ Products with a thickness of 15mm are manufactured after receipt of order.

Type, Certification Code, and Bulk Density of Fireproof Material

Type of fireproof material Quasi-
noncombustible
material		 Noncombustible
material		 Noncombustible
material
Certification code QM-9828 NM-8619 NM-8619
Bulk density g/cm3 0.65 or over 0.65 or over 0.65 or over

Reinforced Gypsum Board Type X / Type V

Widely used for fireproof and sound structure.
Type X has inorganic fibers, while Type V has inorganic fibers and inorganic minerals. These are added to improve fire resistance.

JIS A 6901 Standard

Category Reinforced Gypsum Board
Code GB-F
Thickness mm 12.5 15.0 21.0
Water content % 3 or under 3 or under 3 or under
Bending Breaking
load N		 Length direction 500 or over 650 or over 850 or over
Width direction 180 or over 220 or over 320 or over
Impact resistance When a 500g steel ball is dropped from a height of 650mm, the board placed on sand shall not form an indentation larger than 25mm in diameter and no crack shall be formed. When a 500g steel ball is dropped from a height of 800mm, the board placed on sand shall not form an indentation larger than 25mm in diameter and no crack shall be formed. When a 500g steel ball is dropped from a height of 1000mm, the board placed on sand shall not form an indentation larger than 25mm in diameter and no crack shall be formed.
Flame resistance A 1000g lead bar is hung from the sample specimen and when exposed to fire of 1000°C, it shall not break nor drop for 8 minutes. A 1000g lead bar is hung from the sample specimen and when exposed to fire of 1000°C, it shall not break nor drop for 10 minutes. A 1000g lead bar is hung from the sample specimen and when exposed to fir e of 1000°C, it shall not break nor drop for 12 minutes.
Non-combustibility Grade No.1 Grade No.1 Grade No.1
Heat resistance m2・K/W 0.052 or over 0.063 or over 0.088 or over

Type, Certification Code, and Bulk Density of Fireproof Material

Type of fireproof material Noncombustible
material		 Noncombustible
material		 Noncombustible
material
Certification code NM-8615 NM-8615 NM-8615
Bulk density g/cm3 0.75 or over 0.75 or over 0.75 or over

Water-Resistant Board /
Non-combustible Water-Resistant Board

This board has a greater resistance to water compared to regular gypsum board. The board is used around kitchens, washrooms, toilets and other humid places. It is mainly used for the base material for interior.

JIS A 6901 Standard

Category Gypsum Sheathing Board
Code GB-S
Thickness mm 9.5 12.5
Water content % 3 or under 3 or under
Bending Breaking
load N		 Length direction 360 or over 500 or over
Width direction 220 or over 300 or over
Resistance to peeling in water Gypsum board and facing paper shall not separate. Gypsum board and facing paper shall not separate.
Water-absorption % 10 or under 10 or under
Surface water-absorption g 2 or under 2 or under
Non-combustibility Grade No.2 Grade No.2
Heat resistance m2・K/W 0.040 or over 0.052 or over

Type, Certification Code, and Bulk Density of Fireproof Material

Thickness mm 9.5、12.5 12.5※
Type of fireproof material Quasi-noncombustible material Noncombustible material
Certification code QM-0493 NM-9346
Bulk density g/cm3 0.73±0.07 0.70±0.05

※ Chiyoda non-combustible water-resistant board

Sound Deadening Board

Features many through-holes for absorbing sound.
Based on the principle of resonant absorption, the sound insulation wall on the back side of the board and a layer of air reduces sound energy.

  • Sound deadening board
  • Decorated sound deadening board
  • Special sound deadening board

Type, Certification Code, and Bulk Density of Fireproof Material

Certification code NM-4961(2) QM-9822 NM-4961(2)
Bulk density g/cm3 0.70 or over 0.70 or over 0.70 or over

Ace Board Non-combustible Gypstar/Non-combustible Cosmo Tone

Only 9.5mm thick but certified as non-combustible material. Non-combustible facing paper is used.

Noncombustible Gypstar
Noncombustible Cosmo Tone

JIS A 6901 Standard

Category Non-combustible Laminated Gypsum Board
Code GB-NC
Thickness mm 9.5
No decoration With decoration
Water content % 3 or under
Bending Breaking
load N		 Length direction 360 or over 270 or over
Width direction 140 or over 105 or over
Discoloration-fade resistance - After irradiation for 48 hours in ultraviolet light carbon fade meter, check the discoloration for gray scale No. 3 to pass test. In addition, no cracks on the surface or blistering, and no wrinkles.
Impact resistance The diameter of the sinkhole is smaller than 25mm and the crack did not pierce to the other side. -
Non-combustibility Grade No.1 Grade No.1
Heat resistance m2・K/W 0.043 or over 0.043 or over

Decorated Gypsum Board

The gypsum board is used as a decorative interior material. There are various products for different applications.

Gypstar

Travertine pattern is used for ceilings in stores.

Gypstar

Type, Certification Code, and Bulk Density of Fireproof Material

Thickness mm 9.5
Type of fireproof material Quasi-noncombustible material
Certification code QM-0831(1)
Bulk density g/cm3 0.65 ～ 0.70

Closet Board

Japanese and Western Style patterns.
Wall material for storage space.
※Products on sale vary by region.

Closet Board

Type, Certification Code, and Bulk Density of Fireproof Material

Thickness mm 9.5 12.5
Type of fireproof material Quasi-noncombustible material Noncombustible material
Certification code QM-9824 NM-1734-1(2)
Bulk density g/cm3 0.70 or over 0.73±0.07

Pearl

Western style patter. 2X8 size. Material for office space.

Pearl

Type, Certification Code, and Bulk Density of Fireproof Material

Category G-223 Float G-532 Spool
Thickness mm 9.5 9.5
Type of fireproof material Quasi-noncombustible material Quasi-noncombustible material
Certification code QM-9160 QM-0441
Bulk density g/cm3 0.75±0.05 0.75±0.05

Other Related Products

CA Bond

CA Adhesive

CA bond is an adhesive used when applying gypsum board to a concrete foundation. Adjustment of concrete foundation is not needed. Only water is needed for mixing. One bag contains 20kg.
F☆☆☆☆ product. (Japan Architecture Coverings Industry Association 1001001)

Joint Compounds

Joint Compounds

A putty material used for joint processing of gypsum boards.
Reaction curing type used to mix with water.
F☆☆☆☆ product. (Japanese Architecture Coverings Industry Association 0508001)

Applications
Gypsum-based solidifying material:Eco-hard A II and Fluorine Insolubilizer

Eco-hard Series

Product which treats the soil so the soil can have vegetation functions (soil conditioner).

Eco-hard series

Primary Use

  • •Dredged soil

Dredged Soil

F-Crest Series

Calcium phosphate salt is a flourine insolubilizer of the pricnipal components.
Reactivity with fluorine ion is high.

F-Crest series

Primary Use

  • •Fixed-insoluble treatment of fluorine pollution in the soil.
  • •Fixed-insoluble treatment of fluorine in the waste water
  • •Flourine containing compounds in fixed insoluble treatment

F-Crest series

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