Number 8 Cotton Duck fabric is a high-end cotton duck material engineered in a heavy weight with a more durable construction than other cotton duck textiles.
The Glaze Hydrometer is used to determine the specific gravity of a glaze. The Hydrometer enables consistent water ratios from batch to batch. Requires 8" minimum depth of liquid for accurate reading. Wet hydrometer before using. Reading should be in the range of 1.0-2.0.
The Slip Hydrometer is intended for casting slips. This affordable hydrometer measures specific gravity between 1.6 and 1.85 g/ml.