Greenback Printed Circuit Board 3M™ Circuit Plating Tape 851

Description

The 3M™ Circuit Plating Tape 851 is a high-temperature PCB masking tape specifically engineered for printed circuit board (PCB) plating, solder stripping, and finger masking. Known as 3M Circuit Plating Tape 851, this green polyester PCB tape features a blended silicone rubber adhesive for exceptional adhesion, precision, and durability in demanding electronics manufacturing environments.

Key Features & Benefits

• Excellent PCB Finger Masking – The 3M 851 PCB tape for electroplating ensures clean, sharp plating lines, making it the best tape for PCB finger masking.
• Polyester Backing for Precision – Reduces stretch and recovery, preventing uneven stop-off lines during plating.
• Thick Adhesive Layer – Blocks plating solutions to prevent undercutting.
• No-Oven Application – Performs reliably without oven curing, saving time and energy.
• High Temperature Resistance – Suitable for solder dip and precious metal plating processes.
• RoHS & REACH Compliant – Safe for use in global electronics manufacturing.

Technical Specifications

• Backing Material: Transparent polyester film
• Adhesive Type: Blended silicone and rubber
• Color: Translucent green
• Standard Roll Length: 144 yds (132 m)
• Backing Thickness: 9 mil (0.02 mm)
• Total Tape Thickness: 6 mils (0.10 mm)
• Adhesion to Stainless Steel: 29 oz/in width (27 N/100 mm)
• Elongation at Break: 124%
• Tensile Strength: 8 lbs/in width

Ideal Applications

• Circuit Board Plating Tape for Gold Finger Masking in Electroplating.
• Masking Tape for Solder Dip Process to protect sensitive PCB areas.
• Tape to Prevent Undercutting in Plating for precise edge definition.
• Conformable Circuit Masking Tape for uneven PCB surfaces.
• Non-Stretch PCB Tape for automated and manual application.

Application Tips

1. Apply firmly – Use rubber-covered rollers or a platen press for strong adhesion.
2. Surface Cleaning – Solvent cleaning is recommended before soldering.
3. Storage Conditions – Store at 60–80°F (16–27°C) and 50% RH; shelf life up to 18 months.

Why Choose E Control Devices for 3M PCB Masking Tape?

As an authorised distributor of 3M, E Control Devices ensures you get genuine 3M 851 PCB tape, fresh stock, and technical support for your PCB plating and masking needs.