National Refinery Limited

New CUIN Registration number 0001747 NTN-No 0711325-7
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Asphalt

Paving Grade 40/50
Paving Grade 60/70
Paving Grade 70/80
Paving Grade 80/100

ASPHALT TESTING METHODS
S.NO. TEST TEST METHOD
1. Specific Gravity at 25 / 25 Deg. C ASTM D – 70
2. Flash Point, Cleveland Open Cup, Deg. C (Min.) ASTM D – 92
3. Softening Point R&B, Deg. C ASTM D – 36
4. Penetration at 25 C 100g, 5 sec, 1/10 mm ASTM D – 5
5. Ductility, at 25 Deg. C 5 cm, per min, cm (Min.) ASTM D– 113
6. Loss on heating at: 163 Deg. C, 5 hrs Percent wt. (Max.) ASTM D – 6
7. Penetration after loss on heating test 25 Deg. C, 100g, 5 sec % of Original (Min.) ASTM D – 6 ASTM D – 5
8. Solubility in Trichloroethylene % wt. (Min.) ASTM D–2042
ASPHALT SPECIFICATIONS (40/50)
S.NO. TEST SPECIFICATIONS
1. Specific Gravity at 25 / 25 Deg. C 1.01-1.06
2. Flash Point, Cleveland Open Cup, Deg. C (Min.) 232
3. Softening Point R&B, Deg. C 50-60
4. Penetration at 25 C 100g, 5 sec, 1/10 mm 40-50
5. Ductility, at 25 Deg. C 5 cm, per min, cm (Min.) 100
6. Loss on heating at: 163 Deg. C, 5 hrs Percent wt. (Max.) 0.2
7. Penetration after loss on heating test 25 Deg. C, 100g, 5 sec % of Original (Min.) 75
8. Solubility in Trichloroethylene % wt. (Min.) 99
ASPHALT SPECIFICATIONS (60/70)
S.NO. TEST SPECIFICATIONS
1. Specific Gravity at 25 / 25 Deg. C 1.01-1.06
2. Flash Point, Cleveland Open Cup, Deg. C (Min.) 232
3. Softening Point R&B, Deg. C 46-57
4. Penetration at 25 C 100g, 5 sec, 1/10 mm 60-70
5. Ductility, at 25 Deg. C 5 cm, per min, cm (Min.) 100
6. Loss on heating at: 163 Deg. C, 5 hrs Percent wt. (Max.) 0.2
7. Penetration after loss on heating test 25 Deg. C, 100g, 5 sec % of Original (Min.) 75
8. Solubility in Trichloroethylene % wt. (Min.) 99
ASPHALT SPECIFICATIONS (70/80)
S.NO. TEST SPECIFICATIONS
1. Specific Gravity at 25 / 25 Deg. C 1.01-1.06
2. Flash Point, Cleveland Open Cup, Deg. C (Min.) 232
3. Softening Point R&B, Deg. C 44-55
4. Penetration at 25 C 100g, 5 sec, 1/10 mm 70-80
5. Ductility, at 25 Deg. C 5 cm, per min, cm (Min.) 100
6. Loss on heating at: 163 Deg. C, 5 hrs Percent wt. (Max.) 0.2
7. Penetration after loss on heating test 25 Deg. C, 100g, 5 sec % of Original (Min.) 75
8. Solubility in Trichloroethylene % wt. (Min.) 99
ASPHALT SPECIFICATIONS (80/100)
S.NO. TEST SPECIFICATIONS
1. Specific Gravity at 25 / 25 Deg. C 1.01-1.06
2. Flash Point, Cleveland Open Cup, Deg. C (Min.) 232
3. Softening Point R&B, Deg. C 43-54
4. Penetration at 25 C 100g, 5 sec, 1/10 mm 80-100
5. Ductility, at 25 Deg. C 5 cm, per min, cm (Min.) 100
6. Loss on heating at: 163 Deg. C, 5 hrs Percent wt. (Max.) 0.2
7. Penetration after loss on heating test 25 Deg. C, 100g, 5 sec % of Original (Min.) 75
8. Solubility in Trichloroethylene % wt. (Min.) 99