Sodium Bentonite Clay Granules 20kg Sack | Bentonite Seal Eco-Friendly Pond Lining | Pond Lining | Pond Sealing | Lake Sealing | UK Supplier

• Sodium Bentonite is a highly effective alternative to traditional pond liners that does not damage the natural ecosystem. It expands when wet, forming an impermeable clay barrier against water.
• The clay maintains plasticity; it does not become brittle over time, making it an effective long-term solution.
• The bentonite clay granules are easily applied by hand/farm machinery.
• No risk of punctures in the lining by farm animals or wildlife.
• Cost-effective alternative to polymer pond liners.

Sodium Bentonite Clay Granules - Bentonite Seal - 20kg Sack. Environmentally-Friendly Pond Lining, Leak Sealant and Lining Repair. Bentonite clay granules expand to several times their size and bond together when wet, forming an impermeable barrier against water. This makes sodium bentonite a highly effective pond liner and sealant. Bentonite is perfectly safe for swimming, plants, fishes and pond life, and provides an environmentally-friendly alternative to plastic liners. Specifications: - Sodium bentonite - Colour: grey - Size: 0.5 - 4mm granules - Moisture ≤ 3% - Absorbency ≥ 450% - pH 9.5 - Supplied in 20kg paper bags. For non-palletised deliveries, the paper bags are individually packed within a sturdy cardboard box for maximum protection. - ISO9001, ISO14001 and ISO18001 certified processing plant. Uses include: - Lining small and large bodies of water such as ponds, lakes, canals and reservoirs - Repairing leaks in ponds, lakes and reservoirs - Dam sealing - An ideal solution for civil engineers, contractors, developers and homeowners Key Benefits Over Polymer Pond Liners: - Highly effective alternative to traditional pond liners that does not damage the natural ecosystem - High resistance to water pressure - Maintains plasticity; does not become brittle over time - Easily applied by hand/farm machinery - No risk of punctures in the lining by farm animals or wildlife - Cost-effective alternative Deliveries: Orders are shipped using APC, or Pallet Plus for larger quantities of 9+ bags.