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High-Quality Standard Heat Seal Cover Tape - China Suppliers & Factory for Electronics Packaging
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High-Quality Standard Heat Seal Cover Tape - China Suppliers & Factory for Electronics Packaging

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The Heat Seal Series Cover Tapes are expertly designed for the surface-mount packaging of electronic components, making them an essential choice for manufacturers in China. This product line is organized into three functional types, each available in multiple material grades, ensuring versatility for various applications.

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Core Performance (Unified & Excellent)

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Each variant of our cover tapes showcases exceptional mechanical properties, with a tensile strength of ≥2.5 kg and an elongation rate of ≥30%. This ensures reliable performance during high-speed packaging processes. Our tapes maintain a consistent recommended sealing temperature window of 150-180°C and 190-250°C, along with a uniform peel strength range of 30-90g. This guarantees dependable and user-friendly heat sealing performance, making our products a favored choice among suppliers and manufacturers looking for high-quality solutions from a reputable factory.

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    Product Details

    Series Models
    YJRG-59H — Standard (Transparent) YJRG-59H-1L — Single-Sided ESD (Light Blue) YJRG-59H-1LS — Double-Sided ESD (Dark Blue)
    Key Specifications at a Glance
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    Thickness
    0.055 mm
    Tolerance ±0.006 mm
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    Tensile Strength
    ≥ 2.5 kg
    High mechanical durability
    🔁
    Elongation
    ≥ 30%
    Flexible handling
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    Sealing Temp. (Standard)
    150 – 180 °C
    High-speed: 190 – 250 °C
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    Peel Force
    30 – 90 g
    Compatible with PS carrier tape
    Full Specification Table
    Standard (Transparent) Single-Sided ESD (Light Blue)
    Surface Resistivity: 10^6–10^10 Ω    		 Double-Sided ESD (Dark Blue)
    Surface Resistivity: 10^6–10^11 Ω    		 Thickness (mm) ±0.006 Tensile Strength (kg) Elongation (%) Recommended Sealing Temperature (℃) Recommended Sealing Temp. (℃) | High-Speed Machine 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
    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 0.055mm, a design that achieves an optimal balance between mechanical strength and handling convenience. It demonstrates excellent mechanical properties, with a tensile strength ≥2.5kg 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 30–90g 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.
    Product Overview

    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 0.055mm — a design that achieves an optimal balance between mechanical strength and handling convenience.

    It demonstrates excellent mechanical properties, with a tensile strength ≥2.5kg 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 30–90g 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 are the differences between YJRG-59H, YJRG-59H-1L, and YJRG-59H-1LS?
    The YJRG-59H is the standard transparent cover tape with no anti-static treatment. The YJRG-59H-1L is a single-sided ESD version (light blue) with a surface resistivity of 10^6–10^10 Ω. The YJRG-59H-1LS is a double-sided ESD version (dark blue) with a surface resistivity of 10^6–10^11 Ω, offering the most comprehensive electrostatic protection for sensitive components.
    Q What carrier tape type is compatible with the YJRG-59H series?
    The YJRG-59H series cover tape is specifically designed for use with PS (Polystyrene) carrier tapes. Using the correct carrier tape type ensures proper adhesion, reliable sealing, and optimal peel force performance.
    Q What sealing temperatures are recommended for the YJRG-59H series?
    For standard sealing machines, the recommended temperature range is 150–180°C. For high-speed packaging machines, the recommended range is 190–250°C. This dual-temperature compatibility makes the series suitable for a wide range of production environments and efficiency requirements.
    Q What is the peel force range and why does it matter?
    The peel force of the YJRG-59H series is precisely controlled within 30–90g. This range is critical because it ensures the tape seals securely enough to protect components during transport and handling, while remaining easy enough to peel for rework or automated component placement without damaging the carrier tape or components.
    Q How does the double-sided ESD model protect electronic components?
    The YJRG-59H-1LS double-sided anti-static model features ESD protection on both surfaces, with a surface resistivity of 10^6–10^11 Ω. This dissipates electrostatic charges from both the top and bottom surfaces, providing comprehensive shielding for sensitive electronic components and effectively reducing the risk of electrostatic damage, which in turn improves overall product yield.
    Q What mechanical properties make the YJRG-59H series suitable for high-speed packaging?
    The YJRG-59H series offers a tensile strength of ≥2.5kg and an elongation of ≥30%, combined with a precisely controlled thickness of 0.055mm (±0.006mm). These mechanical characteristics ensure the tape can withstand the stresses of high-speed packaging processes without tearing, deforming, or causing misfeeds, making it a reliable choice for demanding production lines.