Clear Adhesive Film Company is a PET Silicone Release Liner manufacturer supplying PET-based liner rolls for adhesive converting, die-cutting, slitting and lamination lines. This category covers single-side, double-side and differential release structures made with 23-100 um PET base film. Release force range, silicone side, roll width, core size and winding direction can be matched to labels, tapes, medical adhesive parts and window film converting before bulk production.
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PET Silicone Release Liner is selected when adhesive materials need a stable film carrier that releases cleanly without disturbing the adhesive layer. For a layer-by-layer explanation of the facestock, pressure-sensitive adhesive, release coating, and removable carrier, read what a release liner does in a self-adhesive laminate. When a specification only says polyester film or PET film, check our PET vs polyester film guide first to decide whether the project needs plain PET base film, treated PET, coated PET, or a silicone release liner structure. If the application is not only surface protection but adhesive carrying, liner removal, or waste stripping, this PE film, PET film and release liner selection guide explains why PET silicone release liner should be evaluated separately.
PET base film provides dimensional stability, thickness consistency, roll flatness, low shrinkage and tensile strength, helping maintain kiss-cut depth, matrix removal, slit-edge quality and roll tracking during coating, lamination, die-cutting, slitting and rewinding. For transparent adhesive coating, clarity helps inspect coating uniformity and reduce curl or wrinkles. Release behavior should be checked with adhesive system, silicone side, line tension, peel angle and peel speed.
Product Series | Product Coverage | Best-Fit Procurement Scenario |
PET Release Liner Roll | PET film with silicone release coating | Adhesive coating, lamination, roll-to-roll converting |
Single-Side Release Structure | One silicone side and one support side | Label stock, single coated tape, protective film adhesive side |
Double-Side Release Structure | Silicone release coating on both sides | Transfer adhesive, double coated tape, tacky material isolation |
Differential Release Structure | Two sides with different release behavior | Die-cut adhesive parts, double-sided tape, multi-layer assembly |
Custom PET-Based Liner Rolls | Adjusted thickness, color, release value and winding | Medical adhesive, window film, electronic die-cutting, repeat orders |
For two-sided and differential structures, each side should have its own recorded release value. Silicone anchorage should be checked by rub-off inspection or adhesive trial when the liner faces aggressive adhesive, heat, pressure or long dwell storage.
Product selection should start with the adhesive system and machine route. A one-sided structure works when one adhesive surface needs release control. A two-sided structure fits tacky materials that may touch both liner surfaces. Differential release is used when each side needs different peel behavior.
Selection Comparison | Recommended Direction | Risk If Not Confirmed |
Thickness | 23-36 um for light converting, 50-75 um for tape/die-cutting, 100 um for stronger support | Curl, liner tear, unstable kiss-cut depth |
Release Force | Light, medium, tight or differential by adhesive type | Edge lifting, hard peeling, matrix breakage |
Silicone Side | Confirm silicone side in, out or both-side release | Wrong adhesive contact or lamination direction |
Cleanliness / Migration | Check particles, pinholes, coating voids, residual adhesion, subsequent adhesion and backside rub-off | Contamination, bonding loss or unstable application |
Process Fit | Check die-cutting, slitting, rewinding and line tension | Wrinkles, poor slit edge or unstable tracking |
Release force should be evaluated by peel angle, peel speed and dwell time, then compared across approved samples.
Release force should be selected around adhesive chemistry, liner thickness, silicone side, peel speed and downstream converting method. Label stock often needs smooth release for dispensing and matrix removal, while tape converting or medical adhesive parts may need tighter release to prevent early lifting during rewinding, kiss cutting or stripping. Sample rolls should be tested under real dwell time, line speed and storage conditions. If release is too light, adhesive parts may lift; if too tight, die-cut depth may increase and create liner strike risk.
Item | Typical Range / Customizable Value |
Base Material | PET base film for silicone release coating |
Common Thickness | 23-100 um, other thickness by project confirmation |
Structure Options | Single-side release, double-side release, differential release |
Release Force Range | Light, medium, tight or grade-dependent custom range |
Silicone Side | Silicone side in, silicone side out or double side identification |
Roll Format | Master roll, slit roll or sheet, with custom width, length and core |
Slitting Tolerance | Confirmed by roll width and downstream equipment |
Adhesion Checks | Residual adhesion, subsequent adhesion and silicone transfer checked by adhesive type, dwell time and peel condition |
Surface / Silicone Checks | Rub-off inspection, scratches, wrinkles, pinholes, particles and coating voids |
Die-Cutting Compatibility | Clean kiss cutting, matrix removal and edge stability by sample trial |
MOQ / Storage Reference | Confirm by width, structure, color and sample roll, protect from heat, dust and humidity |
After stripping or liner removal, used PET liner should remain separate from paper liner, PE film, PP film, cores and adhesive-heavy matrix. This PET release liner recycling process explains how industrial users can identify, segregate, package and qualify the waste before recycler approval.
Customization should start from adhesive design and machine route. Clear Adhesive Film Company can adjust PET thickness, release force range, release structure, color, roll width, roll length, core size and winding direction. For precision die-cutting, confirm slit-edge quality, roll tension, joint control, roll diameter and the equipment route.
For bulk procurement, sample roll approval should include release force testing, residual adhesion review, subsequent adhesion check, silicone side verification, roll flatness inspection, surface defect control and waste stripping observation. For MOQ discussion, the practical limit usually depends on slit width, release structure, color, silicone side, core size, sample roll size and whether the same specification must be locked for repeat orders.
The release structure should be confirmed before bulk procurement because each design serves a different converting route. A one-sided structure is used when one adhesive surface needs controlled release and the opposite side only supports winding. A two-sided structure fits materials that may contact both liner surfaces. Differential release is useful for double-sided tape, transfer adhesive, die-cut adhesive parts and multi-layer laminates. Procurement teams should confirm release level on each side, silicone side in or out, winding direction, slitting width, core size, roll diameter and equipment route.
Test with the actual adhesive, peel angle, peel speed, dwell time and storage condition. A sample roll trial is recommended before volume production.
23-36 um is often used for lightweight label or film converting, 50-75 um for tape and clean die-cutting, and 100 um for stronger support.
Useful checks include release force data, residual adhesion, subsequent adhesion, silicone transfer review, thickness stability, silicone side confirmation, surface defect inspection, approved sample comparison and batch consistency records.
Confirm silicone side, winding direction, core size, roll diameter, line tension, slitting tolerance, waste stripping behavior and roll appearance.
