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Calcium Chloride Flake 77–80% is a high-purity, fast-acting chemical compound ideal for industrial, commercial, and specialist applications. With its strong hygroscopic properties and high solubility, this flake form is perfect for moisture control, de-icing, dust suppression, and more
Please allow 1-2 working days for next day delivery of 25L items. This is due to the operation times of the hazardous goods vehicles of the external couriers.
Price range: £17.21 through £45.19 ($23.23)
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High-purity Calcium Chloride Flake 77–80%, ideal for de-icing, moisture absorption, brewing, and industrial use. Food grade (E509), fast-acting, and highly soluble. A versatile, high-performance chemical compound used across industries for its moisture-absorbing, freeze-point-lowering, and flocculating properties. Whether you’re in brewing, ceramics, construction, or food processing, this product delivers reliable results.
Calcium Chloride Flake is a compound used across a wide range of industries, including the Chemical, Manufacturing and Pottery industries. It has a number of different uses, such as de-icing, dust control and as an agent to remove moisture.
Calcium Chloride is a key component within the pottery industry to aid the application of glazes to non porous surfaces such as bisque porcelain. It acts as a flocculent, which suspends the glaze. This changes the glaze into a gel state, allowing it to stay in place when applied to a non-porous piece.

Technical Specifications
Purity: 77–80% Calcium Chloride (CaCl₂·2H₂O)
Form: White Flakes
pH: 9–10 (in solution)
Storage & Safety
Store in a cool, dry, and well-ventilated area. Avoid contact with skin and eyes. Use appropriate PPE when handling. Refer to the Safety Data Sheet (SDS) for full safety guidelines.
Q: What is the primary purpose of Palatine Paints Calcium Chloride Flake 77–80%?
A: This is a high-purity, fast-acting chemical compound used across various industries for moisture absorption, de-icing, dust suppression, and as a specialist additive in processes like brewing and ceramics.
Q: What makes this flake form effective for de-icing compared to standard salt?
A: Calcium Chloride is exothermic, meaning it releases heat as it dissolves, which allows it to melt ice much faster and at significantly lower temperatures (down to -32°C) than traditional rock salt.
Q: Can this product be used in food and beverage production?
A: Yes, this product is Food Grade Certified (E509), making it safe for use as a firming agent in food processing or as a brewing additive to enhance water chemistry and flavour.
Q: How is this product used in the pottery and ceramics industry?
A: It acts as a flocculant that helps suspend glazes in a gel-like state, ensuring they stay in place when applied to non-porous surfaces such as bisque porcelain.
Q: What is the chemical composition and purity of this product?
A: This product consists of 77–80% Calcium Chloride (CaCl₂·2H₂O) in a white flake form, with a typical pH level between 9 and 10 when in solution.
Price range: £17.21 through £45.19 ($23.23)
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