قیرهای ویسکوزیته گرید
-
- Absolute Viscosity at 60°C, Poises
- Kinematic Viscosity at 135°C, cSt
- Flash Point(Cleveland Open Cup)°C
- Solubility in trichloroethylene%
- Softening Point.(R&B), °C
- Penetration @ 25°C, 0.1 mm 100 gm, 5 sec.
- Testson residue from thin film oven tests/RTFOT
- i) Viscosity ratio at 60°C
- ii) Ductility at 25°C, cm, after thinfilm oven test
- Specific Gravity @ 27/27 °C
- Conforms to BIS (IS 73:2006) Specifications
VG 40
- Min. 3200
- Min. 400
- Min. 220
- Min. 99
- Min. 50
- 40-60
- Max. 4.0
- Min. 25
- Min. 0.99
VG 30
- Min. 2400
- Min. 350
- Min. 220
- Min. 99
- Min. 47
- 50-70
- Max. 4.0
- Min. 40
- Min. 0.99
VG 20
- Min. 1600
- Min. 300
- Min. 220
- Min. 99
- Min. 45
- 60-80
- Max. 4.0
- Min. 50
- Min. 0.99
VG 10
- Min. 800
- Min. 250
- Min. 220
- Min. 99
- Min. 40
- 80-100
- Max. 4.0
- Min. 75
- Min. 0.99
روش آزمایش
- IS 1206 (Part 2)
- IS 1206 (Part 3)
- IS 1209
- IS 1206
- IS 1205
- IS 1203
- IS 1206 (Part 2)
- IS 1208
- IS 1202