60 Viscosity Clay Sand Building Material Casting Bentonite for Engineering

60 Viscosity Clay Sand Building Material Casting Bentonite for Engineering. High Reusability: Maintains bonding strength after repeated use, reducing raw material costs. Defect Reduction: Prevents sand holes, inclusions, and sticking, improving production yield. Wide Adaptability: Suitable for manual to automated molding processes and common additives. High Wet Strength: Excellent shaping ability prevents mold collapse and surface scars. Certified Quality: Products certified with RoHS and ISO 9001:2008 standards. Flexible Packaging: Available in 25kg bags or 1-ton bags to optimize handling and storage. Large Capacity: Monthly production capacity of 500 tons ensures stable supply. Custom Samples: Samples can be provided for quality verification before bulk orders.