BLOCKBOARD
Wistara Block Board range includes both BWP as well as MR grades. Wistara Block Board of BWP grade is an exterior grade Boiling Water Proof Block Board whereas Wistara MR Block Board is an interior grade Moisture Resistance one. With its glue line fortified with a non-leachable organophosphorus compound, Wistara Block Board also comes with a double core.
This competitively priced product from SRG comes with 20* years of warranty.
Born tough as per IS 1659:2004, SRG Block Board of BWP grade is an exterior grade boiling water proof block Board manufactured carefully with crossband from the timber of gurjan (botanical name dipterocarpus) and pine seasoned wood as plumber core. SRG block board is bonded with superior quality phenolic synthetic resin of BWP grade, manufactured at our own modern resin manufacturing plant.
The process and parameters of the resin manufacturing are controlled and suggested in IS 848:2006
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 Water absorption : <2% |
 Resistance to water : Excellent |
 Screw holding strength : >1100 N |
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 Nail holding strength : >500 N |
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 Spot test : Penetration of borax boric acid |
Moisture content : 10%
Modulus of elasticity : 5318.45 N/mm² 
Specific gravity : 700 kg/cbm
Adhesion of ply : Excellent* All specifications on standard climate and temperature.
SIZE IN FEET : 8X4,7X4,6X4,8X3,7X3,6X3
THICKENSS IN MM : 19, 25
BWR Grade Captor Plywood is bonded with phenol formaldehyde resin of BWR grade and Captor MR is bonded with synthetic aminoplus resin, both of excellent quality, and both manufactured at SRG's own resin plant. The process and parameters of resin manufacturing are controlled and guided by IS 848 : 2006.
This grade Plywood is suitable for making partitions, paneling, ceilings, and more, as it can easily withstand all climatic changes.
It comes with 15* years of warranty.
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Water absorption : <2% |
| Water resistance : 3 hrs boiling at 60ºC±2ºC |
Screw holding strength : 1100 N/mm² |
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Nail holding strength : >500 N |
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Spot test : Penetration of borax boric acid |
* All specifications on standard climate and temperature.
SIZE IN FEET : 8X4,7X4,6X4,8X3,7X3,6X3
THICKENSS IN MM : 19, 25
Wistara Block Board (double core) of BWP grade is an exterior grade Boiling Water proof Block Board manufactured carefully using crossband from tropical hardwood and pine seasoned wood as plumber core. Wistara Block Board (double core) is bonded with superior quality BWP-grade phenol synthetic resin manufactured at SRG's ultra-modern resin manufacturing plant. Double core 7-ply showcases a durable construction ,enhancing durability ,owing to double cross band.
It comes with 10* years of warranty.
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Water absorption : <2% |
| Water resistance : 72 hrs boiling at 100ºC±2ºC |
Screw holding strength : >1000 N |
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Nail holding strength : >500 N |
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Spot test : Penetration of borax boric acid |
* All specifications on standard climate and temperature.
SIZE IN FEET : 8X4,7X4,6X4,8X3,7X3,6X3
THICKENSS IN MM : 19, 25
