Changshu Liangyi Tape Industry Co., Ltd. has engineered a solution that directly addresses one of the most persistent inefficiencies in automated printed circuit board assembly lines:dimensional inconsistency in insulation tape. When tape width tolerance exceeds ±0.2mm, automated wrapping heads misalign, causing edge creep, overlapping errors, and eventual rework. The result is machine downtime, material waste, and increased labor cost.
With a structured product specification built around a 0.025mm PET backing and total thickness of 0.055mm ±0.005mm, the flame retardant insulation tape from Changshu Liangyi delivers the exact uniformity required for high speed automatic wrapping equipment. The critical specification lies in the shear tolerance of ±0.2mm, which allows pick and place systems to index precisely without corrective stops.
For engineers and procurement managers evaluating insulation materials for high volume production, mechanical consistency is as important as dielectric performance. The tape offers a dielectric breakdown above 5.0 kV and insulation resistance of at least 10⁶ Ω, ensuring that precision does not come at the expense of safety. The acrylic adhesive system maintains bond strength above 250 N/m while allowing elongation up to 40%, which accommodates tight radius corners on transformer cores and motor windings without cracking.
Thermal stability reaches 130℃, making the tape suitable for continuous operation inside enclosed power supplies, LED drivers, and solenoid coils. The flame resistant property has been verified under UL standard E246820, providing compliance documentation that regulatory inspectors and certifying bodies expect.
One often overlooked source of production waste is tape splicing. Each roll of Changshu Liangyi flame retardant insulation tape contains no more than one splice per 66 meters, with length tolerance of ±0.5m. For automated lines running multiple shifts, unpredictable splices force operators to halt machinery, rethread the tape path, and discard partially wound components. By guaranteeing a maximum of one splice, the product supports lights out manufacturing and just in time inventory systems.
The inner core diameter is held to 76.64mm ±1mm, compatible with standard reel holders on automatic wrapping machines from leading manufacturers. Core material options include plastic or paper tube, selected based on customer preference for antistatic properties or recyclability. Width is customizable per order, allowing integration into existing tooling without mechanical modification.
Storage stability is specified at 23℃ and 65% relative humidity, with a validated shelf life of six months. For B2B buyers, this removes the guesswork from inventory rotation and reduces the risk of adhesive degradation in warehouse conditions. Packaging consists of an inner plastic bag and an outer carton, protecting the rolls during freight transport and preventing edge damage.
Procurement teams frequently request third party validation of performance claims. The UL certification E246820 provides auditable traceability for each production batch. The flame resistance classification eliminates the need for additional flame retardant treatments downstream, reducing both cost and chemical exposure on the factory floor.
For design engineers, the acrylic adhesive system offers excellent solvent retardance, meaning that contact with cleaning agents, flux removers, or board wash solutions does not cause edge lifting or adhesive bleed. This property becomes critical in applications where post insulation cleaning is required before conformal coating or potting.
Field data from existing customers in the automotive electronics sector shows a 17 percent reduction in insulation related rework after switching to the Changshu Liangyi flame retardant insulation tape, attributed almost entirely to the ±0.2mm width tolerance and splice control. Automated wrapping heads no longer require recalibration between roll changes, and scrap from edge misalignment has dropped below 0.3 percent.
The product is available in multiple colors for visual process control, allowing operators to quickly distinguish between different insulation layers or production shifts. Color coding reduces inspection time and prevents assembly errors without adding barcode scanning steps.
For purchasing managers, the combination of UL certification, flame resistance, high dielectric strength, and mechanical precision consolidates multiple material requirements into a single stock keeping unit. This reduces inventory complexity and lowers total cost of ownership compared to using separate tapes for electrical, thermal, and mechanical functions.
Changshu Liangyi Tape Industry Co., Ltd. maintains the specification sheet as a controlled document, ensuring that each shipment matches the published tolerances. Customers can request certificate of analysis with every lot, supporting ISO 9001 internal audit requirements.
FAQ
1. What is the maximum continuous operating temperature for this flame retardant insulation tape?
The tape is rated for continuous use at 130℃. Short term exposure to higher temperatures may be possible depending on mechanical load, but sustained operation above 130℃ is not recommended.
2. Does the UL certification E246820 cover both flame resistance and electrical insulation?
Yes. UL certification E246820 validates both the flame resistant property and the dielectric performance, including breakdown voltage and insulation resistance.
3. Can the tape be used on automated winding machines with narrow guide rollers?
Yes. The ±0.2mm width tolerance ensures smooth feeding through precision guide rollers. Many customers use this tape on automated coil and transformer winding lines.
4. How many splices can be expected in a standard 66 meter roll?
Each roll contains a maximum of one splice. Splice position is not fixed, but total splice count per roll is strictly controlled to one or fewer.
5. What is the lead time for custom width orders?
Custom width production typically ships within 15 to 20 working days after order confirmation. Minimum order quantity for custom widths depends on the specific dimension and can be provided upon request.
Changshu Liangyi Tape Industry Co., Ltd. has engineered a solution that directly addresses one of the most persistent inefficiencies in automated printed circuit board assembly lines:dimensional inconsistency in insulation tape. When tape width tolerance exceeds ±0.2mm, automated wrapping heads misalign, causing edge creep, overlapping errors, and eventual rework. The result is machine downtime, material waste, and increased labor cost.
With a structured product specification built around a 0.025mm PET backing and total thickness of 0.055mm ±0.005mm, the flame retardant insulation tape from Changshu Liangyi delivers the exact uniformity required for high speed automatic wrapping equipment. The critical specification lies in the shear tolerance of ±0.2mm, which allows pick and place systems to index precisely without corrective stops.
For engineers and procurement managers evaluating insulation materials for high volume production, mechanical consistency is as important as dielectric performance. The tape offers a dielectric breakdown above 5.0 kV and insulation resistance of at least 10⁶ Ω, ensuring that precision does not come at the expense of safety. The acrylic adhesive system maintains bond strength above 250 N/m while allowing elongation up to 40%, which accommodates tight radius corners on transformer cores and motor windings without cracking.
Thermal stability reaches 130℃, making the tape suitable for continuous operation inside enclosed power supplies, LED drivers, and solenoid coils. The flame resistant property has been verified under UL standard E246820, providing compliance documentation that regulatory inspectors and certifying bodies expect.
One often overlooked source of production waste is tape splicing. Each roll of Changshu Liangyi flame retardant insulation tape contains no more than one splice per 66 meters, with length tolerance of ±0.5m. For automated lines running multiple shifts, unpredictable splices force operators to halt machinery, rethread the tape path, and discard partially wound components. By guaranteeing a maximum of one splice, the product supports lights out manufacturing and just in time inventory systems.
The inner core diameter is held to 76.64mm ±1mm, compatible with standard reel holders on automatic wrapping machines from leading manufacturers. Core material options include plastic or paper tube, selected based on customer preference for antistatic properties or recyclability. Width is customizable per order, allowing integration into existing tooling without mechanical modification.
Storage stability is specified at 23℃ and 65% relative humidity, with a validated shelf life of six months. For B2B buyers, this removes the guesswork from inventory rotation and reduces the risk of adhesive degradation in warehouse conditions. Packaging consists of an inner plastic bag and an outer carton, protecting the rolls during freight transport and preventing edge damage.
Procurement teams frequently request third party validation of performance claims. The UL certification E246820 provides auditable traceability for each production batch. The flame resistance classification eliminates the need for additional flame retardant treatments downstream, reducing both cost and chemical exposure on the factory floor.
For design engineers, the acrylic adhesive system offers excellent solvent retardance, meaning that contact with cleaning agents, flux removers, or board wash solutions does not cause edge lifting or adhesive bleed. This property becomes critical in applications where post insulation cleaning is required before conformal coating or potting.
Field data from existing customers in the automotive electronics sector shows a 17 percent reduction in insulation related rework after switching to the Changshu Liangyi flame retardant insulation tape, attributed almost entirely to the ±0.2mm width tolerance and splice control. Automated wrapping heads no longer require recalibration between roll changes, and scrap from edge misalignment has dropped below 0.3 percent.
The product is available in multiple colors for visual process control, allowing operators to quickly distinguish between different insulation layers or production shifts. Color coding reduces inspection time and prevents assembly errors without adding barcode scanning steps.
For purchasing managers, the combination of UL certification, flame resistance, high dielectric strength, and mechanical precision consolidates multiple material requirements into a single stock keeping unit. This reduces inventory complexity and lowers total cost of ownership compared to using separate tapes for electrical, thermal, and mechanical functions.
Changshu Liangyi Tape Industry Co., Ltd. maintains the specification sheet as a controlled document, ensuring that each shipment matches the published tolerances. Customers can request certificate of analysis with every lot, supporting ISO 9001 internal audit requirements.
FAQ
1. What is the maximum continuous operating temperature for this flame retardant insulation tape?
The tape is rated for continuous use at 130℃. Short term exposure to higher temperatures may be possible depending on mechanical load, but sustained operation above 130℃ is not recommended.
2. Does the UL certification E246820 cover both flame resistance and electrical insulation?
Yes. UL certification E246820 validates both the flame resistant property and the dielectric performance, including breakdown voltage and insulation resistance.
3. Can the tape be used on automated winding machines with narrow guide rollers?
Yes. The ±0.2mm width tolerance ensures smooth feeding through precision guide rollers. Many customers use this tape on automated coil and transformer winding lines.
4. How many splices can be expected in a standard 66 meter roll?
Each roll contains a maximum of one splice. Splice position is not fixed, but total splice count per roll is strictly controlled to one or fewer.
5. What is the lead time for custom width orders?
Custom width production typically ships within 15 to 20 working days after order confirmation. Minimum order quantity for custom widths depends on the specific dimension and can be provided upon request.
