Glassine Release Paper & PET Release Film Manufacturer
JINGRONG is a specialized release liner manufacturer focused on Glassine Release Paper, PET Release Film and customized silicone-coated liner solutions. Since 2009, we have supported adhesive tape, die-cutting, labels, electronics, medical materials and other industrial converting applications with controlled coating, precision slitting, rewinding and quality testing capabilities.
About JINGRONG
JINGRONG focuses on the development and production of high-performance release liner materials.
Our core product portfolio includes:
✔ Glassine Release Paper
✔ PET Release Film
✔ Single-sided and double-sided silicone release liners
✔ Differential release liners
✔ Anti-static PET release film
✔ Fluorosilicone release film
✔ Permanent Bag Sealing Tape
Unlike general trading suppliers, we combine material development, silicone coating, converting, quality control and technical service within one manufacturing system.
This allows us to control release performance, material consistency, roll quality and delivery reliability throughout the production process.
Our Core Release Liner Products
JINGRONG manufactures white and yellow Glassine Release Paper for pressure-sensitive adhesive applications.
Typical options include:
- 40–120 gsm glassine paper
- White and yellow glassine
- Single-sided silicone coating
- Double-sided silicone coating
- Low, medium and high release force
- Differential release performance
- Customized width and roll length
Our glassine release papers are widely used for:
- Double-sided adhesive tapes
- Foam tapes
- Labelstock
- Medical adhesive products
- Hot-melt adhesive films
- Industrial die-cutting
- Graphic and packaging materials
PET Release Film
JINGRONG produces PET Release Film for applications requiring dimensional stability, heat resistance, smoothness and controlled release performance.
Available options include:
- Transparent PET release film
- Milky-white PET release film
- Colored PET release film
- Metallized PET release film
- Anti-static PET release film
- Fluorosilicone PET release film
- Single-sided and double-sided silicone coating
- Typical PET film thicknesses include 23 μm, 30 μm, 36 μm, 50 μm and 75 μm.
Our PET release films are used in:
- Industrial adhesive tapes
- Precision die-cutting
- Electronic materials
- Thermal conductive materials
- Protective films
- Medical adhesive products
- Composite materials
- New energy applications
Permanent Bag Sealing Tape
Based on our experience in PET film, release liner and adhesive converting, JINGRONG also manufactures Permanent Bag Sealing Tape for:
- Courier bags
- Poly mailers
- Security envelopes
- Tamper-evident packaging
- Flexible packaging bags
- Non-woven bags
Our integrated material supply and converting capabilities help maintain stable adhesion, consistent release performance and reliable application efficiency.
Customized Release Liner Solutions
Different adhesive systems, coating processes and converting speeds require different release liner specifications.
JINGRONG can customize:
- Release force
- Silicone coating system
- Single-sided or double-sided coating
- Differential release levels
- Paper grammage
- PET film thickness
- Material color
- Surface treatment
- Roll width
- Roll length
- Core size
- Slitting dimensions
- Packaging method
Our technical team works with customers to evaluate the adhesive type, application temperature, converting method, storage conditions and required release performance before recommending a suitable material.
We support release liner applications involving acrylic, rubber-based, hot-melt and selected silicone adhesive systems.
Industries We Serve
Adhesive Tape Manufacturing
Glassine paper and PET release film for double-sided tape, foam tape, electrical tape, industrial tape and specialty adhesive products.
Die-Cutting and Converting
Dimensionally stable PET release films and glassine liners designed for precision slitting, laminating, punching and high-speed converting.
Labels and Graphic Materials
Silicone-coated release paper for labelstock, stickers, advertising materials and pressure-sensitive graphic applications.
Electronics
PET release liners for protective films, insulation materials, EMI shielding, thermal interface materials and electronic component converting.
Medical Materials
Glassine and PET release liners for medical tapes, wound dressings, hydrocolloid products and other pressure-sensitive medical materials.
Composites and New Energy
PET release films for composite processing, insulation materials, battery-related materials and industrial lamination applications.
Manufacturing Capabilities
JINGRONG operates production facilities in Nanhu and Haiyan, supported by approximately 300 employees across production, quality control, research, technical service and sales operations.
Our manufacturing and converting capabilities include:
- Silicone coating
- PET film processing
- Corona treatment
- Precision slitting
- Rewinding
- Release force control
- Thickness and grammage inspection
- Aging performance evaluation
- Adhesion and release testing
- Customized roll converting
- OEM and private-label production
Our annual production capacity exceeds 15,000 tons.
Five sales and service centers located in Jiaxing, Haiyan, Yiwu, Wenzhou and Chongqing support customer communication, order coordination and technical service.
Quality Control
Stable release performance is essential for efficient adhesive coating, laminating, die-cutting and automatic converting.
Our quality control process covers:
- Raw material inspection
- Silicone formulation and coating control
- Coating appearance inspection
- Thickness or grammage testing
- Release force testing
- Aging performance testing
- Slitting and winding inspection
- Final product inspection
- Packaging and shipment verification
Depending on the product and customer requirements, we can provide technical data sheets, certificates of analysis, test reports, MSDS, RoHS and REACH-related documentation.
Our objective is to help customers reduce release-force variation, silicone transfer, curling, static accumulation, poor winding and other converting problems.