Key Technical Advantages (Anti-Static Non-Silicone Polyimide Core Benefits)
Integrating 3M 7419 into high-reliability electronic and semiconductor production lines guarantees ultimate joint security and zero ESD failures:
Zero Silicone Contamination Risk: Unlike traditional silicone-based polyimide tapes, 3M 7419's acrylic formulation prevents silicone migration onto PCB pads, optical sensors, or gold contacts, ensuring optimal solderability and coating adhesion.
Ultra-Low ESD Static Discharge: Reduces unwinding static voltage to less than 50V and removal voltage to less than 100V, preventing Electrostatic Discharge (ESD) damage to sensitive SMT components, IC chips, and micro-circuitry.
Thermal Endurance under Solder Wave: Maintains structural integrity and tight edge seals through continuous operating temperatures up to 155°C (311°F) and short-term peak passes up to 260°C (500°F) during wave soldering.
Clean Stripping & Zero Residue: High cohesive adhesive strength guarantees smooth, one-piece removal after high-heat processing without leaving sticky acrylic residue or ghosting.
TDS
| Technical Parameter | 3M 7419 Low Static Polyimide Tape |
|---|---|
| Product Category | Polyimide High-Temp Tapes |
| Material Formulation | Non-Silicone Acrylic Polyimide |
| Core Function | Anti-Static Non-Silicone Polyimide |
| Backing Material | Polyimide Film |
| Adhesive Type | Cross-linked Acrylic Adhesive (Silicone-Free) |
| Color | Amber (Translucent) |
| Total Tape Thickness | 0.068 mm (2.7 mil) ±10% |
| Backing Thickness | 0.025 mm (1.0 mil) |
| Adhesion to Steel | ≥ 6.0 N/25 mm (22 oz/in) |
| Tensile Strength | ≥ 110 N/25 mm (25 lbs/in) |
| Elongation at Break | ≥ 50% |
| Removal Static Voltage (ESD) | < 100 V (Tested at 50% RH) |
| Operating Temperature Range |
Continuous up to 155°C (311°F); Peak up to 260°C (500°F) |
Primary Precision Application Fields
3M 7419 is engineered specifically for environments where static sensitivity and silicone contamination are strict exclusion factors:
Silicone-Sensitive PCB Wave Soldering: Protects gold fingers and delicate circuit traces during wave soldering and selective soldering cycles in optics, automotive sensors, and aerospace electronics.
Semiconductor & Wafer Processing: Serves as a temporary holding and masking tape during wafer dicing, lead frame bonding, and high-vacuum IC packaging processes.
Flexible Printed Circuit (FPC) Masking: Holds and masks multi-layer flex circuits during high-bake stiffener lamination and conformal coating sprays.
Aerospace & Medical Instrument Assembly: Secures wires, sensors, and components in contamination-critical devices requiring zero outgassing and strict ESD safety.
Converting delicate Anti-Static Non-Silicone Polyimide materials requires dust-free precision processing. STK Tape optimizes your electronic manufacturing line efficiency:
Precision Custom Roll Slitting: STK custom-slits 3M 7419 master logs into micro-narrow ribbons or wide rolls (e.g., 5mm, 10mm, 12mm, 19mm, 25mm, 500mm) with clean, non-telescoping roll edges for automated tape dispensers.
Cleanroom Precision Die-Cutting: Converts 3M 7419 into intricate geometric gaskets, circular masking dots, or custom perimeter window pads with sub-millimeter accuracy.
Extended Pull-Tab Integration: Equips die-cut masking parts with non-adhesive extension tabs, enabling assembly line workers to strip tape pads effortlessly without damaging sensitive PCB traces.
Factory-Direct Wholesale Pipeline: Streamlines your procurement with continuous stock reserves, delivering authentic 3M quality with quick lead times.
Our factory & Equipment
Custom Adhesive Tape Solutions
We provide comprehensive adhesive tape customization and converting services, including custom thickness, size, core, packaging, release liners, and die-cutting solutions to meet your specific application requirements.
Custom Thickness
Custom thickness of adhesive tape is available according to customer's request.
Custom Size
Custom width/length of adhesive tape is available according to customer's request.
Custom Core
Custom core diameter of adhesive tape is available according to customer's request.
Custom Package
Custom package of adhesive tape is available according to customer's request.
Custom liner
Adhesive tape with release liner is available according to customer's request.
Die-cut Service
Die-cutting of adhesive tape is available according to customer's request.
Manufacturing & Delivery Process
Coating Adhesive
Rewinding Roll
Cutting Roll
Quality Inspection
Roll Packing
Delivery
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