BOPLA Silicone Adhesive Protective Film – Keyful PLA-SAP
•Derived from renewable corn, certified for industrial composting.
•Uniform coating, no wrinkles, tearing, or particles
•High transparency, printable
•Customizable adhesion
•Bubble-free, anti-yellowing, no rebound, no adhesive transfer
Keyful PLA-SAP combines compostable compliance with the protective properties of silicone adhesive: offering uniform coating, transparent clarity, flat lamination, and resistance to yellowing, bubble control, anti-rebound, and no adhesive residue. It is suitable for surface protection of 3C products, metal, and high-end appliances, reducing scratch contamination and rework costs, and supports customized adhesion and process integration.
We focus on the research & development, production, manufacturing, and supply of various flexible, environmentally friendly, and biodegradable packaging films, covering BOPP, BOPET, BOPA, PE, and recyclable single-material films, and are committed to meeting the diverse packaging solution needs of the market.
Keyful BOPLA silicone adhesive protective film-PLA-SAP is made from renewable corn-derived materials and certified for industrial composting, targeting processing scenarios requiring compliance and a high-quality appearance. The product features uniform coating and a smooth, wrinkle-free surface, preventing tearing and particle-induced issues during forming and lamination.
It offers the high transparency and clarity of transparent silicone adhesive film while supporting printing and customized adhesion strength. The application side incorporates bubble suppression and anti-rebound design, achieving no adhesive transfer, anti-yellowing, and longer-lasting protection.
Applications
Die-cutting industry: protection for electronic screens, plastics, high-end hardware, metals, and home appliance surfaces.
New Energy & Electronic Component Suppliers:
Used as a protective medium during transit and assembly, covering battery perimeters, housings, and structural components to reduce cross-batch contamination and rework.
Automotive Interior/Exterior Trim & High-End Hardware Manufacturers:
Provides protection for metal parts, plastic parts, and painted surfaces during packaging, transportation, and assembly, minimizing the risk of scratches and adhesive residue.
Appliance & Kitchen Appliance Brands (Lamination Process):
Protective solutions that meet high-end cosmetic inspection requirements, facilitate controlled removal in downstream processes, and reduce adhesive residue.
Technical Properties (Typical Values)
| Face Stock | Liner | ||
|---|---|---|---|
| Material Description | BIO-PLA | Material Description | Transparent PET Release Film |
| Thickness | 40±3 μm | Thickness | 50±3 μm |
| Basic Weight | 50±4 (g/m²) | Basic Weight | 70±4 (g/m²) |
| Color | Transparent | Color | Transparent |
| Wetting tension | ~ ≥38 dyne(PILLAR) | Release Force | 1~8 g/25mm |
| Adhesive | |||
| Properties | Value | Unit | Test Method |
| Adhesive Name | Silicone | — | * |
| Thickness | 10±2 μm | μm | KF-PW18.6-29AA |
| Surface Treatment | ≥38 dyne (PILLAR) | dyne | KF-PW18.6-02BB |
| Initial Tack | * | — | GB/T 4852-2002 |
| Peel Strength | 5-8 gf/25mm | gf/25mm | GB/T 2792-2014 |
| Release Force | 1-8 gf/24mm | gf/24mm | KF-PW18.6-11AA |
| Temperature Range | -20 ~ 80 °C | °C | * |
All properties are tested under standard laboratory conditions: 23±2ºC; 50±5% RH, unless otherwise stated. Where relevant, tests are based on international testing standards. Metallising is conducted by a sub-contractor. MD – Machine Direction TD – Transverse Direction.
