Extra Heavy Blockout No. 10 is a heavy, non-flammable, water-soluble screen filler with drying characteristics similar to indirect films.
Its high viscosity makes handling easy and generally gives effective coverage in a single coating — especially useful on coarse mesh. Thin it for touch-ups.
- Heavy water-soluble blockout filler
- Single-coat coverage, even on coarse mesh
- Non-flammable
- Can be thinned for touch-up work
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