ROSIN & TURPENTINE FACTORY, NAHAN
 

SPECIFICATIONS FOR GUM ROSIN

X
S. No. Characteristic BIS Requirement for type
Extra Pale		 Rosin Sample of R & T Factory, Nahan
Extra Pale
1 Grade X X
2 Colour Value (Lovibond)  (Red/Yellow) 1.35,13.0 1.35,13.0
3 Softening point, 0C. Min. 70 72 -75
4 Relative density 270/270C 1.050  To 1.080 1.061-1.065
5 Acid Number, Min. 160 165-173
6 Saponification Number, Minimum 165 170-183
7 Volatile matter percent by mass, Max 1.5 0.365-1.000
8 Ash content, percent by mass Max 0.05 0.02 -0.04
9 Matter insolvable in toluene, percent by mass,Max 0.10 0.04 -0.08
10 Unsponifiable matter, percent by mass, Max 6 2.5 - 5

 

WW
S. No. Characteristic BIS Requirement for type
Pale		 Rosin Sample of R & T Factory, Nahan
Pale

1

 Grade WW WW

2

 Colour Value (Lovibond)  (Red/Yellow) 1.85,19.5 1.85,19.5
3 Softening point, 0C. Min. 70 72 - 75
4 Relative density 270/270C 1.0520    to    1.0820 1.061-1.072
5 Acid Number, Min. 155 165-171
6 Saponification Number, Minimum 160 170-183
7 Volatile matter percent by mass, Max 2.0 0.380-1.2000
8 Ash content, percent by mass Max 0.2 0.03-0.10
9 Matter insolvable in toluene, percent by mass,Max 0.40 0.06 -0.20

10

 Unsponifiable matter, percent by mass, Max 6 2.5 - 5
WG
S. No. Characteristic BIS Requirement for type
Pale		 Rosin Sample of R & T Factory, Nahan
Pale
1 Grade WG WG
2 Colour Value (Lovibond)  (Red/Yellow) 2.6,30 2.6,30
3 Softening point, 0C. Min. 70 72 -74
4 Relative density 270/270C 1.0520    to    1.0820 1.065-1.075
5 Acid Number, Min. 155 162-170
6 Saponification Number, Minimum 160 170-180
7 Volatile matter percent by mass, Max 2.0 0.400-1.2000
8 Ash content, percent by mass Max 0.2 0.03-0.10
9 Matter insolvable in toluene, percent by mass,Max 0.40 0.06 -0.20

10

Unsponifiable matter, percent by mass, Max 6 3 - 5.2
N
S. No. Characteristic BIS Requirement for type
Pale		 Rosin Sample of R & T Factory, Nahan
Pale
1 Grade N N
2 Colour Value (Lovibond)  (Red/Yellow) 3.6,41 3.6,41
3 Softening point, 0C. Min. 70 72 -74
4 Relative density 270/270C 1.0520    to    1.0820 1.065-1.075
5 Acid Number, Min. 155 162-170
6 Saponification Number, Minimum 160 165-175
7 Volatile matter percent by mass, Max 2.0 0.500-1.2000
8 Ash content, percent by mass Max 0.2 0.05-0.10
9 Matter insolvable in toluene, percent by mass,Max 0.40 0.10 - 0.20

10

Unsponifiable matter, percent by mass, Max 6 3 - 5.2
M
S. No. Characteristic BIS Requirement for type
Medium		 Rosin Sample of R & T Factory, Nahan
Medium
1 Grade M M
2 Colour Value (Lovibond)  (Red/Yellow) 4.9,51 4.9,51
3 Softening point, 0C. Min. 70 72 -74
4 Relative density 270/270C 1.0520    to    1.0820 1.065-1.080
5 Acid Number, Min. 155 160-165
6 Saponification Number, Minimum 160 162-170
7 Volatile matter percent by mass, Max 2.0 0.700-1.000
8 Ash content, percent by mass Max 0.2 0.05-0.10
9 Matter insolvable in toluene, percent by mass,Max 0.40 0.10 -0.20

10

Unsponifiable matter, percent by mass, Max 6 3 - 5.5
1) The rosin is obtained from Pinus roxburghii ( Chir pine).
2) The rosin is obtained by Olustee Process
3) The testing has been done by the process defined as per IS:553:1984( except B Grade)
4) The product ( except X and B Grade) has been BIS certified vide licence no. 9099801

SPECIFICATIONS FOR GUM ROSIN
K
S. No. Characteristic BIS Requirement for type
Medium		 Rosin Sample of R & T Factory, Nahan
Medium
1 Grade K K
2 Colour Value (Lovibond)  (Red/Yellow) 6.2,60 6.2,60
3 Softening point, 0C. Min. 70 72 -74
4 Relative density 270/270C 1.0520    to    1.0820 1.065-1.080
5 Acid Number, Min. 155 160-165
6 Saponification Number, Minimum 160 160-170
7 Volatile matter percent by mass, Max 2.0 0.8-1.000
8 Ash content, percent by mass Max 0.2 0.05 -0.10
9 Matter insolvable in toluene, percent by mass,Max 0.40 0.10 -0.25

10

Unsponifiable matter, percent by mass, Max 6 3.5 - 5.5
H
S. No. Characteristic BIS Requirement for type
Medium		 Rosin Sample of R & T Factory, Nahan
Medium
1 Grade H H
2 Colour Value (Lovibond)  (Red/Yellow) 12,100 12,100
3 Softening point, 0C. Min. 70 71 -75
4 Relative density 270/270C 1.0520    to    1.0820 1.065-1.080
5 Acid Number, Min. 155 160-165
6 Saponification Number, Minimum 160 160-165
7 Volatile matter percent by mass, Max 2.0 1.0-1.5000
8 Ash content, percent by mass Max 0.2 0.05 -0.15
9 Matter insolvable in toluene, percent by mass,Max 0.40 0.10 -0.30

10

Unsponifiable matter, percent by mass, Max 6 3.5 - 5.5
D
S. No. Characteristic BIS Requirement for type
Dark		 Rosin Sample of R & T Factory, Nahan
Dark
1 Grade D D
2 Colour Value (Lovibond)  (Red,Yellow,Blue) 75,160,3.0 75,160,3.0
3 Softening point, 0C. Min. 70 72-76
4 Relative density 270/270C 1.0520    to    1.1020 1.072-1.080
5 Acid Number, Min. 155 157-162
6 Saponification Number, Minimum 160 160-165
7 Volatile matter percent by mass, Max 2.0 1.0-1.5000
8 Ash content, percent by mass Max 0.5 0.10 - 0.40
9 Matter insolvable in toluene, percent by mass,Max 1.00 0.20 -0.80

10

Unsponifiable matter, percent by mass, Max 6 4 - 5.5
B
S. No. Characteristic No BIS Requirement for type
Dark		 Rosin Sample of R & T Factory, Nahan
Dark
1 Grade B B
2 Colour Value (Lovibond) No BIS Requirement for type Nil
3 Softening point, 0C. Min. 72-80
4 Relative density 270/270C 1.075-1.080
5 Acid Number, Min. 155-160
6 Saponification Number, Minimum 160-165
7 Volatile matter percent by mass, Max 1.0 -2.000
8 Ash content, percent by mass Max 0.3 -1.000
9 Matter insolvable in toluene, percent by mass,Max 0.6 -2.00
10 Unsponifiable matter, percent by mass, Max 4 - 7.8
1) The rosin is obtained from Pinus roxburghii ( Chir pine).
2) The rosin is obtained by Olustee Process
3) The testing has been done by the process defined as per IS:553:1984( except B Grade)
4) The product ( except X and B Grade) has been BIS certified vide licence no. 9099801