Phenolic Resins
We have recently started manufacturing phenol formaldehyde resins used in the manufacturing of coated abrasives, grinding wheels, refractory brick, foundry shell moulds and moulding powder. Phenol Novolac and Phenol Resole resins can be tailored according to individual requirement of Flow length, Melting point, Curing time and solid contents.
| Properties | OPL | OPL |
| Type | Resole | Novolac |
| Appearance | Brown Viscose Liquid | Reddish Brown Liquid |
| Viscosity | 870 secs @ 30°C - B4 Cup | 9000-11000 cps @ 20°C |
| Solid Content @ 135°C | 78% | 60-62% |
| Water content | -- | -- |
| Gel Time @ 130°C | 5 Minutes | -- |
| Specific Gravity @ 30°C | 1.27 | -- |
| Water Tolerance | 1:550 | -- |
| Solvent Solubility | -- | -- |
| PH Value | 8.5 - 9.0 | -- |
| Shelf Life | 2 Months (20°C) | 6 months |
| Packing | Drums (Plastic) | Drums (Plastic) |