Circuposit™ Hole Prep 4126 is a solvent swell product designed to enhance the resin texturing and smear removal of high Tg materials in the subsequent Circuposit™ Promoter stage. This process defines a new standard for via plating. Hole Prep 4126 is formulated to process both traditional FR-4 type laminates and more advanced high Tg materials.

Key Benefits:

• Simple single-pass process
• Excellent smear removal on high Tg laminates
• Produces excellent surface texture on hole wall
• ICD Free
• Single solvent system for ease of control
• Low solvent concentration for ease of waste treatment