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  • Separable Laminating Film
  • Separable Laminating Film

Separable Laminating Film

This Laminating film is made with high-quality PET and EVA and is laminated with paper backing. Remarks can be written on the backing paper during use.

wangzhe@yxwangzhe.com

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Product Description
Yixing Wangzhe Laminating Film Co., Ltd.
About Us

Yixing Wangzhe Laminating Film Co., Ltd. is leading China Separable Laminating Film manufacturers and Separable Laminating Film factory, focusing on laminating film production. It is our original intention and mission to provide dients with high-quality products and services. From traditional to modern, from mechanized to intelligent, we have never changed our commitment to our customers for more than 20 years. 60000 square meters of high-standard workshops, 10 extrusion lamination production lines, 8 high-speed slicing machines, more than 20 automatic slicers, and 4 fully automatic packaging lines ensure production capacity. 10000 square meters of clean workshop, two multifunctional die-cutting units, a powerful research and development team, and more than 20 pieces of testing and experimental equipment are the guarantee of high-quality, new products.

Focusing on technological innovation, we have 7 invention patents, 15 utility model patents authorized, 25 patents accepted, 4 high-tech products in Jiangsu Province, and passed ISO14001, GRS, ISO9001, BScI, REACH, ROHS, C-TPAT, UL and other certifications, suppling products with lower cost and better quality; We focus on service innovation, deeply cultivate the market, and provide customers with timely and accurate market consultation.

Qualifications
NEWS & EVENTS
  • Why do air bubbles and water ripples appear on laminating fi...

    The product may appear fine immediately after lamination, but bubbles may appear on the surface after cooling. Some products, while not showing obvious bulges, exhibit concentric rings resembling water ripples when observed under light. These issues are particularly problematic i...

  • What is the essence of laminating film thickness?

    In the laminating film industry, "thickness" is a crucial technical parameter that users must understand. 80mic, 100mic, 125mic, 150mic… These numbers may seem like mere differences in product specifications, but from a materials engineering perspective, thickness actually determ...

  • How to choose different sizes of laminating film?

    I. How to Choose the Size of Laminating Film? When using laminating film, users often focus on questions like, "100mic or 150mic?" and "Glossy or matte?" However, a more easily overlooked factor that truly determines the user experience is size. Truly professional lamination prot...

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Industry knowledge

Separable Write-On Backing Paper Laminating Film Manufacturing & Global B2B Supply

Welcome to Yixing Wangzhe Laminating Film Co., Ltd. (WONLAMI), a premier high-tech enterprise dedicated to the research, development, extrusion composite coating, and international distribution of high-performance functional polymer packaging materials. Founded in 1999, our enterprise brings over 25 years of specialized extrusion lamination experience to serve global commercial print managers, office file organization distributors, educational suppliers, and industrial archiving directors across more than 40 countries. As leading Separable Laminating Film manufacturers, an advanced Separable Laminating Film factory, and a trusted supplier for Separable Laminating Film wholesale, we engineer innovative separable pouch films laminated with a write-on paper backing layer that allows user notes, indexing remarks, and filing classification before or after document heat sealing.

Our manufacturing operations span two modern intelligent production bases strategically located in Yixing, Jiangsu Province, China, and Rayong, Thailand. Covering a total land area of 135 mu with over 90,000 square meters of standardized clean industrial facilities, our dual-base infrastructure operates 10 advanced extrusion coating and laminating lines, 29 high-speed automatic slitting machines, and 4 fully automated packaging lines. Supported by a dedicated workforce of over 300 skilled technical professionals, our annual production capacity exceeds 30,000 metric tons. Whether your procurement demands standard A4/A3 write-on paper backing pouches, office filing protectors, or custom-slit commercial rolls, our production infrastructure delivers micrometer-level gauge uniformity, short lead times, and factory-direct volume pricing.

Dual-Structure Innovation & Write-On Paper Backing Functional Mechanics

Standard polymer thermal laminating films feature all-plastic PET outer surfaces on both sides. While all-plastic encapsulation provides excellent waterproof barrier protection, it creates significant operational limitations in filing and archiving systems: standard ballpoint pens, gel pens, and pencils cannot write directly onto smooth PET surfaces without smudging or failing to transfer ink. Users are forced to rely on external adhesive labels, marker tags, or separate filing sleeves to record document dates, reference numbers, or catalog classification notes.

To solve these organizational challenges, WONLAMI separable laminating film incorporates a high-quality paper backing layer integrated with the high-transparency Polyethylene Terephthalate (PET) and Ethylene Vinyl Acetate (EVA) thermal film composite. This specialized dual-layer construction allows operators to write dates, filing remarks, signatures, or indexing codes directly onto the paper backing using standard pens, pencils, or rubber stamps. In high-demand document management and heavy digital printing applications, complementary specialty options such as Anti-Bacterial Laminating Film and High-Bonding Laminating Film deliver active surface hygiene and enhanced adhesion over heavy digital toner prints:

  • High-Clarity PET Protective Front Layer: Delivers optical transparency exceeding 92%, high tensile stiffness, scratch resistance, and waterproof barrier protection for front-facing document legibility.
  • Inner Thermal EVA Adhesive Layer: Softens uniformly under heated nip rollers (110°C to 135°C) to form a permanent, bubble-free encapsulate around paper documents without forming edge voids.
  • Writable Paper Backing Substrate: Laminated on the reverse side, providing an ideal surface for ballpoint pens, fountain pens, gel ink, colored pencils, and administrative stamps without ink bleeding or smudging.
  • Separable Structural Design: Offers clean edge slitting and controlled release properties, allowing effortless positioning, sorting, and filing in binder folders or archiving boxes.

Diverse Specialty Product Portfolio & Application Alignment

As a premier innovator holding over 20 authorized patents, WONLAMI manufactures an extensive lineup of functional specialty laminating films and office stationery media designed to optimize commercial workflows across varied retail, educational, and industrial sectors:

Separable & Write-On Backing Pouch Film

Combines front-face thermal protection with a write-on paper backing surface for instant document indexing, archive marking, catalog numbers, and office filing.

Explore factory details for Separable Laminating Film.

High-Speed Commercial Roll Laminates

Engineered for continuous automated roll processing, featuring BOPET thermal options for rigid displays alongside flexible films for versatile folding applications.

Review specifications for BOPET+EVA Roll Film and Flexible Laminating Roll Film.

Specialty Cold & Interactive Functional Media

Includes hard-coated cold films for high-abrasion surfaces, tool-free self-sealing pouches, and direct write-on sealant films for office notes.

Discover features of Hard Coating Cold Laminating Roll, Self-Sealing Laminating Pouch, and Writable Plastic Sealant.

For large-scale stationery brand owners, office file suppliers, and commercial print houses requiring custom pouch dimensions, paper backing weights, or OEM private-label box packaging, our engineering facility produces high-grade custom Separable Laminating Film tailored strictly to client machinery and market requirements.

Technical Specifications & Engineering Parameters

To assist procurement managers, quality control engineers, and office supply buyers in evaluating material performance, the following structured tables outline our standard technical capabilities:

Technical Parameter Standard Range Custom Option Engineering Significance
Structure Construction PET Front / EVA Adhesive / Paper Backing Custom paper gsm option Combines transparent front protection with a smooth write-on paper backing.
Total Film Thickness 50mic – 175mic (2.0mil – 7.0mil) 32mic – 250mic heavy duty Determines bending stiffness, tear resistance, and mechanical protection level.
Front Light Transmittance ≥ 92% (High-Clarity PET) Optical clear front grade Ensures maximum visual legibility and true print color depth through the front film.
Backing Writeability Ballpoint, Gel Pen, Pencil, Rubber Stamp Smooth Wood-Free Paper Allows immediate handwriting and indexing notes without ink smudging or feathering.
Processing Temperature 110°C – 135°C (Standard Thermal) 95°C low-temp fast seal Controls heat energy transfer requirements; seals EVA adhesive cleanly without scorching paper.
Peel Bond Strength ≥ 5.5 N/15mm (Standard Paper) ≥ 8.5 N/15mm (Heavy Ink Media) Prevents delamination, corner lifting, and water moisture ingress over long-term storage.
Thickness Spec Target Product Application Handling & Contact Frequency Expected Lifecycle
80 mic / 100 mic Office file folders, archiving certificates, school student records, notes Low to moderate contact 1 – 3 years standard archiving
125 mic Library book catalog cards, medical record folders, warehouse inventory cards Moderate to frequent handling 3 – 5 years extended protection
150 mic / 175 mic+ Heavy industrial file cards, legal evidence folders, permanent catalog covers High-frequency contact, heavy wear 5+ years maximum durability

Dual-Base Intelligent Manufacturing & Global Supply Chain Resilience

To insulate international clients from regional freight disruptions, tariff shifts, and capacity constraints, WONLAMI operates an integrated dual-base manufacturing infrastructure across Yixing, China, and Rayong, Thailand. Our four-phase hardware expansion program has established a flexible production system capable of high-volume continuous delivery:

  • Yixing Manufacturing Base (China): Serves as our primary innovation hub and core extrusion base. Outfitted with high-speed co-extrusion coating lines (including line numbers 7, 8, 9, and 10), dust-free cleanrooms, automatic sheet slitters, and packaging systems.
  • Rayong Production Base (Thailand): Strategic international manufacturing facility offering tariff-optimized, duty-free container shipments to North America, Europe, and Southeast Asia (successfully completing 5-container initial batch exports).
  • Automated Cutting & Packaging: Operates 29 automatic sheet slitting machines and 4 automatic packaging lines, guaranteeing precise pouch dimensions (±0.5mm tolerance), clean non-stick edges, and zero static dust contamination.

Our dedicated R&D division includes 30 senior engineering professionals, over 45% of whom hold master's degrees or above, with 80% bringing more than a decade of specialized polymer composite experience. Supported by collaborative research think-tank partnerships with Jiangnan University and Nanjing Tech University, we hold over 20 authorized patents and intellectual property rights, continuously driving material innovation and extrusion performance upgrades.

Quality Control Management & Global Certifications

Paper backing adhesion and optical front purity are critical for separable pouch film quality. WONLAMI enforces a zero-defect quality management framework across every step of the manufacturing workflow:

Polymer Resin & Paper QC

100% inspection of incoming virgin PET resins, wood-free paper backing rolls, and EVA compounds for MFI, moisture content, and surface smoothness.

Inline Gauge & Lamination Control

Continuous online laser thickness and coat-weight monitoring across co-extrusion dies to ensure micrometer-level layer ratio stability.

Peel & Environmental Testing

Laboratory equipped with 180° peel strength testers, UV accelerated weathering chambers, and constant temp/humidity test rigs.

Our manufacturing facilities and products comply strictly with major international quality and environmental management standards, holding official certifications for ISO 9001, ISO 14001, GRS (Global Recycled Standard), BSCI, REACH, RoHS, C-TPAT, and UL. Furthermore, our modern facilities feature rooftop distributed solar photovoltaic power installations to support sustainable, low-carbon manufacturing.

Machine Calibration, Lamination Temperature & Defect Prevention

To achieve bubble-free document lamination with clean, flat paper backing on pouch machines, plant operators should follow these technical calibration practices:

  • Temperature Calibration: Set laminator roller heat between 110°C and 135°C for standard separable write-on pouch films. Ensure roller heat is evenly distributed across top and bottom nip rollers to prevent paper backing warping.
  • Nip Pressure Uniformity: Adjust pneumatic cylinder pressure evenly across top and bottom heated nip rollers. Insufficient nip pressure causes micro-bubbles; excessive pressure distorts the paper backing structure.
  • Pouch Feeding Direction: Always insert document pouches sealed-edge first into heated nip rollers. Feeding open edges first causes diagonal creasing, wave distortion, and internal film jams.
  • Storage Hygiene & Climate Control: Store separable laminating film boxes horizontally in a clean, climate-controlled warehouse (15°C–25°C, 40%–60% RH) away from direct sunlight or radiant heat sources.

Wholesale Customization & Order Parameter Checklist

When submitting custom order inquiries, OEM private label branding requests, or bulk wholesale specifications to our engineering team, providing the following operational details enables us to prepare an exact technical proposal and factory-direct quotation:

Custom Wholesale Order Checklist:

  1. Target Product Format: Pre-cut pouch film (A3, A4, A5, Letter, Photo, ID card sizes) or continuous roll film.
  2. Thickness & Backing Spec: Required PET/EVA gauge (50mic, 80mic, 100mic, 125mic, 150mic); Smooth wood-free paper backing gsm.
  3. Writing Surface Requirement: Ballpoint pen, fountain ink, pencil, or rubber stamp indexing compatibility.
  4. Packaging & Branding Requirements: OEM custom printed retail box packaging, polybag bundling (50, 100, or 500 sheets/pack), and outer master carton labeling.
  5. Logistics & Origin Preference: Palletization style, container shipment size (20GP / 40HQ), and preferred dispatch base (Yixing, China or Rayong, Thailand).

Frequently Asked Questions (FAQ)

Q1: Why choose WONLAMI as your primary Separable Laminating Film factory and wholesale supplier?

WONLAMI brings over 25 years of specialized extrusion composite experience, operating two modern production bases in China and Thailand with 10 extrusion lines and an annual capacity exceeding 30,000 tons. We enforce strict ISO 9001 and ISO 14001 quality systems, providing global distributors with micrometer-level gauge uniformity, reliable write-on paper backing quality, competitive factory-direct pricing, and flexible tariff-optimized shipping options.

Q2: What operational benefits does paper backing provide on separable laminating film?

Standard plastic laminating film cannot be easily written on with regular pens. WONLAMI separable laminating film features a smooth paper backing on the reverse side, allowing users to write filing dates, archive catalog numbers, signatures, or notes directly onto the pouch using standard ballpoint pens, gel pens, pencils, or rubber stamps without ink smudging.

Q3: Does the paper backing affect heat lamination performance or optical clarity?

No. The front side remains ultra-clear PET (≥92% light transmittance) for crystal-clear document viewing, while the inner EVA adhesive layer melts uniformly to seal the paper document. The write-on paper backing is permanently integrated onto the reverse side, providing structural flatness and excellent filing performance.

Q4: Can WONLAMI supply customized separable pouch sizes, OEM brand packaging, and custom roll widths?

Yes. We specialize in custom B2B manufacturing, offering pre-cut write-on pouch sheets in all standard paper sizes (A3, A4, A5, Letter, Photo, ID card), custom roll widths up to 1600mm, safety rounded corners, and full OEM private-label box packaging tailored to distributor specifications.

Q5: What international quality and environmental certifications back WONLAMI separable film products?

WONLAMI products strictly comply with global safety and environmental standard mandates. Our production systems carry official certifications for ISO 9001, ISO 14001, GRS (Global Recycled Standard), BSCI, REACH, RoHS, C-TPAT, and UL. Every production batch undergoes laboratory testing for paper backing adhesion, peel strength, optical front haze, and environmental aging prior to release.

Partner with WONLAMI for High-Performance Separable Laminating Film

Whether you are sourcing volume write-on paper backing document pouches, archiving file roll laminates, or custom private-label solutions, our technical engineering team is ready to provide material samples, technical specifications, and factory-direct volume quotes.

Yixing Wangzhe Laminating Film Co., Ltd.