SRG PREMIUM

SRG PREMIUM - BLOCK BOARD - BWP GRADE

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 cross band from the timber of Gurjan (botanical name dipterocarps) 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: 1996.

 

SRG BWP grade block board are treated with preservative chemicals

  • The first stage consists lumber and veneer are treated with boron containing solution
  • The second stage follows glue line is fortified with non-leachable organophosphorus compound.
  • And the third stages of the treatment follow the boron treatment along with copper and chromium.

SRG block board   is free from any type of attacks by destroying microorganism.

Special features.

  1. Standard thickness; 19mm, 25mm, specific thickness and double

Cross brands block board are also available against specific

Order.

  1. Standard sizes. 8’x4’,7’x4’,6’x4’, 8’x3’,7’x3’,6’x3’.

                                

Technical details

Name of the properties

Result obtained

Specified in IS 1659 ;2004

1.Moisture Content

10 %

5-15%

2.Specific Gravity

700 kg/cbm

Na

3.Resistance To Water

Pass standard

Shall be minimum pass standard.

4.Adhesion Of Ply

Excellent

Pass

5.Modulus Of Rupture

58.30 n/mmsq

50 n/mm

6.Modulus Of Elasticity

5318.45 n/mmsq

5000n/mmsq

7. Spot Test

Penetration of borax boric acid

Shall show through

Penetration of preservative chemical

8.Water Absorbtion

< 2%

Na

9. Screw  Holding

> 1100n

Na

10 nail holding

Ø 500n

Na

 

SRG PREMIUM - BLOCK BOARD - MR GRADE

Born tough and excellent as per is 1659: 2004.

SRG MR block board is an interior grade moisture resistance block board manufactured carefully with Gurjan cross band and pine seasoned wood as plumber core.

SRG MR block board is bonded with superior quality synthetic amino plus resin manufactured in our own modern resin plant.

SRG MR block board are born with suitable protection by preservative chemicals to all its battens. The adhesive is mixed with suitable organophosphorus compound.

SRG MR block board is free from attack of any destroying microorganism’

Special features:

  1. Standard thickness: 19mm, 25mm.
  2. Sizes: 8’ x4’, 7’x4’,6’x4’,8’x3’,7’x3’,6’x3
  3. Widely used partition, shutters, wardrobe, frame, roofing

 

Technical details:

Name Of Properties

Result obtain

Specified 1659:2004

1.Moisture Content

10%

5- 15%

2. Resistance To Water.

Pass  standard

Shall be pass standard

3.Adhesion Of Ply

Pass standard

Pass standard

4.Modulus Of Rupture

43.54 n/mmsq

40 n/mmsq

4.     Modulus Of Elasticity

4230.24 n/mmsq

4000n/mmsq

5.     Spot Test

Penetration of borax,boric acid

Show penetration preservative.

6.     Specific Gravity

700 kg /cbm

Na

7.     Screw Holding

1100n /mmsq

Na

8.     Nail Holding

60 n/mmsq

Na

9.     Water Absorbtion

<2%

Na

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