SCHOOL BLACK BOARD SIZE 3X4 nova channel.
Other Specifications Download Specification | |
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Purpose Of Writing Board | Writing |
Size (WidthXLength) | 450X600 mm Xmm |
Colour Of Vitreous Enamelled Steel Sheet. | Black |
Thickness And Material Of Top Steel Sheet (Min). | 0.3 mm thick Steel Sheet. (Having Vitreous Enamelled coating on both side.) mm |
Top Surface Coating Thickness Of Vitreous Enamelled Steel Sheet.(Min.) | 0.11 mm for white board |
Back Surface Coating Thickness Of Vitreous Enamelled Steel Sheet.(Min.) | 0.03 mm |
Thickness And Material Of Back Support.(Min.) | 9mm thick, MDF boards conforming to IS:12406 mm |
Thickness And Material Of Backing.(Min.) | 0.25mm thick, Galvanized steel sheets conforming to IS:277. mm |
Material Of Frame. | Anodized extruded Aluminium alloy hollow section of designation 63400 conforming to IS: 1285 |
Frame Width | 20 mm |
Wall Thickness Of Anodised Aluminium Frame.(Min.) | 1.2 mm |
% Gloss At 60 Deg.head (min.) | 80% for white colour only |
Surface Suitable For Writing With | chalk for colour & black board |
Erasability | Excellent-without leaving impression. |
Accessories Supplied With Writing Board | one box of 50 nos non dust chalk sticks,one dry wipe duster with 3 nos spare sponges for colour & black board. |
Availability Of Type Test Reports Of The Product From Central Govt/NABL/ILAC Accredited Lab Showing Compliance To The Specification | YES |
Test Report And Approvals To Be Furnished To The Buyer On Demand. | YES |
Test Reports No. | VT-07/2157 |
Test Reports Date | 21/11/2017 |
Name Of The Labs | VICTORY LAB, NAI SARAK, DELHI-110006 |