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Markerboard has an especially smooth surface among River Enamel products.
This allows users to write on it easily with a marker pen and to erase script clearly.
And it produces a stage as partitions in offices with extensive color variations as well as communication tools for school lessons or meetings. In addition, we also offer users a markerboard (B-455-SM) with projector screen function.
Excellent durability This product is applied with original nickel processing on the substrate of special steel sheet for enamel coating and with hardened enamel finishing. This makes it possible to demonstrate high wear resistance and no discoloration or color fading under normal use with easy care. |
Economical It is economical based on the long-term running cost as it allows users to use it without additional covering, repainting or replace for a long time. |
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Can also be used with magnets You can use a magnet to easily hold charts, memos or maps, as the substrate is made of steel. |
Capability to print grid pattern Grid patterns are free from to be faded away as they are applied with enamel baking processing. It is best fitted to write down characters, figures and graphs.*) Not all products have this capability. |
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Projector screen function *) It shows a little less erasing capability compare to the conventional markerboard as gloss control is applied. |
Offer with optimal width & length It is manufactured as a coil or cut to length as a sheet according to its specification in our plant. This enables us to offer the product with optimal width and length according to users’ needs. |
Illustration of cross sectional structure
Color variations
Specification and performance
| Item | Markerboard | ||
|---|---|---|---|
| Coating thickness (enamel layer on top surface) | 120μm | ※1） | |
| Original material thickness (mother material thickness) | 0.30 to 0.48mm | ※1） | |
| Coating thickness (enamel layer on rear surface) | 25μm | ※1） | |
| Color difference to thestandard plate (ΔE) | Less than and equal to1.5 |
※1） | |
| Glossiness (Gs45°) | 98% | ※2） | |
| 55% | ※3） | ||
| Mohs hardness | 6.5 | ※1） | |
| Wear resistance Tabor abrasion test |
Mass loss during abrasion test (abrasion ring: CS-17/1kg) (1000 revolution) |
0.9mg | ※2） |
| Solvent resistance test Toluen, acetone, alcohol, benzene, xylene and oil |
No change | ※2） | |
| Surface roughness Max. height (reference length: 25 mm) |
0.98μm | ※2） | |
※1）This is a typical value, and not a guaranteed value.
※2）This is obtained by our measurement (B-931-SMR).
※3）This is obtained by our measurement (B-455-SM).
Illustration of cross sectional structure
Features
| Easy to write on & easy to read | Flat and smooth surface makes writing comfortable with a marker pen, and clear line-edge offers users easy reading. | Rust proof (corrosion) | Dual-layer structure (top & under coat layer) of thick enamel coating guarantees no rusting. |
|---|---|---|---|
| Easy to erase | Smooth surface helps users erase writing easy and clean by using a marker eraser. | Acid resistance | Glazed surface with excellent chemical resistance withstands for longer use and demonstrates no deterioration of enamel against various solvents such as toluen, benzene or alcohol. |
| Easy to maintain cleanliness | Panel surface can be always maintained sufficient cleanliness by using a marker eraser and further beauty appears by wiping out with water contained cloth and dry cloth. | Durability | Hard enamel coating layer obtained by vitrification of glaze at high temperature shows excellent resistance to abrasion, impact and scratches. |
| Surface roughness | Flat and smooth surface is formed by using glaze blending and special glazing technology. |
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Contact Section：
Sales Department of River Enamel Products
| Address： | JL Nihonbashi-Bldg 1-10-15, Nihonbashi Horidome-chou Chuo-ku, Tokyo 103-0012 |
| Phone： | +81-3-5644-5417 |
| Fax： | +81-3-5644-5404 |
