Stain Blocking Agents

Liquid Tannin Blocking Agent. T-Block™ is a highly effective blocking agent for tannin and other stains. It provides excellent tannin blocking properties on various hardwoods, such as merbau and oak. T-Block™ offers unique features, including its applicability in both water-based and solvent-based systems. T-Block™ demonstrates stain blocking properties in both primers and topcoats.

Proprietary blend of surface active and chelating compounds.

Benefits

• Prevents tannin bleeding of hardwood, like merbau and oak
• Excellent blocking properties in the primer and topcoat layer
• No need for zinc- or zirconium-based stain blocking products
• Suitable for post-addition to paints
• Readily biodegradable
• ECO-label compliant
• VOC-free