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High-Quality Heat Seal Cover Tape from China Suppliers and Factory for Electronic Component Packaging
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Standard High Temperature Series Heat Seal Cover Tape-12.jpg

High-Quality Heat Seal Cover Tape from China Suppliers and Factory for Electronic Component Packaging

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The Heat Seal Series Cover Tapes are specially designed for surface-mount packaging of electronic components, making them an essential choice for manufacturers seeking reliability in their packaging solutions. These products, originating from top China suppliers, are carefully structured around three functional types and various material grades to meet diverse industry needs.

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Core Performance (Unified & Excellent)

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All variants of our Heat Seal Series exhibit exceptional mechanical properties, featuring a tensile strength of ≥2.5 kg and an elongation rate of ≥30%. This ensures that they perform reliably during high-speed packaging processes. With a consistent recommended sealing temperature range of 150-180°C and 190-250°C, along with a uniform peel strength of 30-90g, these tapes guarantee user-friendly and effective heat sealing performance. Our factory is committed to delivering high-quality products that enhance your packaging efficiency.

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    Product Details

    📦 Product Series Overview
    YJRG-59H
    Standard Model
    Transparent
    Standard cover tape for PS carrier tapes
    YJRG-59H-1L
    Single-Sided ESD Model
    Light Blue
    Surface Resistivity: 106–1010 Ω
    YJRG-59H-1LS
    Double-Sided ESD Model
    Dark Blue
    Surface Resistivity: 106–1011 Ω
    📊 Key Technical Specifications
    📏
    Thickness
    0.055 mm
    💪
    Tensile Strength
    ≥ 2.5 kg
    🔄
    Elongation
    ≥ 30%
    🌡️
    Sealing Temp.
    150–180 °C
    ⚡
    High-Speed Sealing
    190–250 °C
    🔗
    Peel Force
    30–90 g
    🎯
    Compatible Carrier
    PS Tape
    📋 Full Specifications Table
    Standard
    (Transparent)    		 Single-Sided ESD
    (Light Blue)
    Resistivity: 106–1010 Ω    		 Double-Sided ESD
    (Dark Blue)
    Resistivity: 106–1011 Ω    		 Thickness (mm)
    ±0.006    		 Tensile Strength (kg) Elongation (%) Sealing Temp. (°C)
    Standard    		 Sealing Temp. (°C)
    High-Speed    		 Peel Force (g) Compatible Carrier Tape
    YJRG-59H YJRG-59H-1L YJRG-59H-1LS 0.055 ≥2.5 ≥30 150–180 190–250 30–90 PS
    📝 Product Description

    The YJRG-59H series cover tape comprises the base model YJRG-59H, the single-sided anti-static model YJRG-59H-1L, and the double-sided anti-static model YJRG-59H-1LS.

    The product features a standard thickness of 0.055 mm, a design that achieves an optimal balance between mechanical strength and handling convenience. It demonstrates excellent mechanical properties, with a tensile strength ≥2.5 kg and an elongation ≥30%. This combination of parameters ensures stable performance during high-speed packaging processes.

    Thermal performance data indicates that this series is suitable for conventional sealing temperatures of 150–180°C, while also meeting the requirements for high-speed sealing at 190–250°C. This temperature adaptability allows it to fulfill various production efficiency needs.

    The precisely controlled peel force range of 30–90 g guarantees sealing reliability while facilitating potential rework operations. Designed specifically for use with PS carrier tapes, the double-sided anti-static model within the series provides comprehensive protection for sensitive electronic components, effectively preventing electrostatic damage and improving product yield.

    ❓ Frequently Asked Questions
    Q
    What is the difference between YJRG-59H, YJRG-59H-1L, and YJRG-59H-1LS?
    The YJRG-59H is the standard transparent model with no anti-static treatment. The YJRG-59H-1L is a single-sided ESD (light blue) version with a surface resistivity of 106–1010 Ω, providing anti-static protection on one side. The YJRG-59H-1LS is the double-sided ESD (dark blue) version with a surface resistivity of 106–1011 Ω, offering comprehensive anti-static protection on both sides for the most sensitive electronic components.
    Q
    What carrier tape type is the YJRG-59H series compatible with?
    The YJRG-59H series cover tape is specifically designed for use with PS (Polystyrene) carrier tapes. It is important to ensure compatibility between the cover tape and carrier tape to achieve optimal sealing performance and reliable peel force.
    Q
    What sealing temperatures are recommended for the YJRG-59H series?
    For standard sealing equipment, the recommended sealing temperature range is 150–180°C. For high-speed packaging machines that require faster cycle times, the recommended sealing temperature range is 190–250°C. This dual-temperature adaptability makes the series suitable for a wide variety of production line configurations.
    Q
    What does the peel force range of 30–90 g mean for end users?
    A peel force range of 30–90 g means the cover tape provides a secure seal that reliably holds components in place during transportation and handling, while still being easy enough to peel for rework or automated pick-and-place operations. This controlled peel force helps minimize the risk of component displacement or damage during processing.
    Q
    Why is the double-sided ESD model recommended for sensitive electronic components?
    The double-sided ESD model (YJRG-59H-1LS) provides anti-static protection on both surfaces, which is critical for sensitive electronic components such as ICs, MOSFETs, and other ESD-sensitive devices. By maintaining surface resistivity within the 106–1011 Ω range on both sides, it effectively dissipates static charges, reducing the risk of electrostatic discharge damage and improving overall product yield.
    Q
    How does the 0.055 mm thickness affect the performance of the YJRG-59H series?
    The 0.055 mm thickness (with a tolerance of ±0.006 mm) represents a carefully engineered balance between mechanical strength and flexibility. This thickness ensures the tape has sufficient tensile strength (≥2.5 kg) and elongation (≥30%) to withstand the stresses of high-speed packaging, while remaining thin and lightweight enough for smooth handling and precise sealing on automated equipment.