Leather Crosslinker 64 by Leather Doctor® is a high-solid hardener designed to strengthen and toughen leather topcoats, particularly those that have become tacky or sticky over time.
It enhances durability, resistance, and performance while preventing water spotting and reoccurring stickiness.
Crosslinker 64 Key Benefits:
Eliminates sticky topcoats – Prevents tackiness and enhances smoothness Strengthens topcoat durability – Creates a tougher, long-lasting protective film Reduces water sensitivity – Ties up hydrophilic elements to prevent water spotting VOC-free formula – High-solid composition without harmful volatile organic compounds
How Crosslinker 64 Works:
When mixed into a water-based urethane topcoat, Crosslinker 64:
Enhances adhesion and flexibility – Prevents cracking and peeling Increases resistance – Reduces damage from friction, wear, and environmental exposure Improves overall performance – Ensures a smooth, non-tacky finish for leather surfaces
Ideal Applications:
Bicast, bycast, and PU-coated leather Worn or deteriorating leather topcoats Fixing sticky leather finishes caused by body oils, sweat, and cleaning residues
By adding Crosslinker 64 to topcoat refinishing systems, you achieve a resilient, long-lasting finish that resists stickiness, wear, and water damage.
Instruction:
The use by weight ratio is 1: 95.
Add 2.5gm to 8oz of ready to use topcoat.
Add Crosslinker into the Topcoat while stirring to avoid seeding
Stir, swirl or shake well for 2-3 minutes to ensure proper mix.
Allow the mixture to react for a minimum of 30 minutes before using.
This will ensure optimum catalyst reaction time and flow/leveling performance of the coating during brush or airbrushing.
After 48 hours, it is recommended to re-cross-link the top coat.
The mix is transferred to the foam brush and applied in a light circular motion to avoid streaks on the prep surface and blow dry.
Subsequent coatings are applied until the desired gloss is achieved and let overnight dry for curing time.
Allow at least 48 hours for a complete curing time before use.
The average of 3 coatings of 8oz Gloss 76 mix covers approximately 80 square feet.
Updated: March 19, 2025|June 24, 2025 by Roger Koh
