Ancorflex®
Pitch is Eastern Coatings & Services' branded Coal Tar Enamel. Coal
Tar Enamel has been the most tried and trusted coating material for
pipelines carrying water, oil, gas or slurry. Eastern Coatings &
Services has been the dominant supplier of coal tar enamel to the top
pipe coating companies in India. Besides
pipe coating companies, it has also been supplying directly to pipe
line owners.
Ancorflex Pitch has been approved and certified by many reputed agengies. Additionally, it has approved by Engineers India Ltd. for offshore applications. The product also has approvals from reputed users in Middle East and African countries.
We also manufacture special grade Coal Tar Saturant to customer specifications, which is used for the manufacture of Outer Wrap. It is being supplied to customers in India and abroad.
Three grades of Coal Tar Enamel, suitable for applications in different conditions, are available. These conform to BS-4164.
| Characteristics of coating material | Grade 105/8 | Grade 120/5 | Grade 105/15 |
| Filler content by ignation, % by mass | 25 to 35 | 25 to 35 | 25 to 35 |
| Specific Gravity at 25°C, g/cm3 | 1.4 to 1.6 | 1.4 to 1.6 | 1.4 to 1.6 |
| Softening Point Range (ring & ball), °C | 105°C to 116°C | 120°C to 130°C | 105°C to 116°C |
| Penetration (total moving mass), 10-1 mm (25°C/100g) (45°C/50g) |
5 to 12 8 to 30 |
1 to 9 3 to 16 |
10 to 20 15 to 55 |
| Flow time, s 230°C 240°C |
9 to 16 — |
— 9 to 24 |
9 to 16 — |
| Peel Test, initial & delayed, max, mm 30°C 40°C 50°C 60°C 70°C |
— 3.0 3.0 3.0 — |
— — — 3.0 3.0 |
3.0 3.0 3.0 — — |
| Sag Test, 24 hrs, max, mm 70°C 8 0°C |
1.5 — |
— 1.5 |
1.5 — |
| Low temperature cracking & disbonding -20°C -25°C -30°C |
— None — |
— — None |
None — — |
| Bend at 0°C First crack, min, mm Initial After heating Disbonded Area, max, mm2 Initial After heating |
15 10 3 ,000 5 ,000 |
— — — — |
20 15 2,000 3,000 |
| Impact (Disbonded area, maximum, mm2) 0°C 25°C |
— 10.000 |
— — |
15.00 — |
| Cathodic disbonding 28 days, max, mm | 5 mm | 5 mm | 5 mm |
| Electric Resistance 10,000 V / 1 mm | No breakdown | No breakdown | No breakdown |
| Colour Code | Blue | Red | Yellow |
In addition to the above, Coal Tar Enamel conforming to AWWA-C-203 (Type I & II), IS-10221 (Type I & II) and those specified by customers are also manufactured.