Insulation Sheet VT‑PC3125BK
SEO information
Product Name: Insulation Sheet VT‑PC3125BK
SKU / Model No.: VT‑PC3125BK
SEO Title: Insulation Sheet VT‑PC3125BK | UL94 V‑0 Polycarbonate Insulation Film for Battery Module & Electronics
URL Slug: insulation-sheet-vt-pc3125bk
Product Description: TONMAX VT‑PC3125BK insulation sheet is matte polycarbonate base film with optional flame‑retardant acrylic adhesive and release liner. Good formability, excellent mechanical properties and high‑temperature dimensional stability. Features superior flame retardancy, corona‑resistance, anti‑leakage, cold‑hot‑shock resistance and anti‑aging. UL94 V‑0 rated, meets automotive substance‑restriction requirements. Widely used for battery‑module‑box insulation, PV, telecom and home appliances. Store at 23℃,65%RH; shelf‑life 12 months after receiving.
Keywords: Insulation Sheet VT‑PC3125BK,PC polycarbonate insulation sheet,UL94 V‑0 PC film,acrylic adhesive PC dielectric sheet,battery module box insulation material,photovoltaic module insulating film,high‑dielectric‑strength PC sheet,automotive compliant electrical insulator
Insulation Sheet VT‑PC3125BK
Product Overview
TONMAX VT‑PC3125BK insulation sheet uses polycarbonate (PC) as base substrate, optional flame‑retardant acrylic adhesive layer and release liner. It possesses good formability, outstanding mechanical performance and reliable dimensional retention under high‑temperature working conditions. This matte/multi‑finish PC insulation material meets automotive prohibited‑substance standards. Widely used for internal insulation inside new‑energy battery module boxes, photovoltaic modules, telecommunication equipment and household electrical appliances.
Main Applications
• Internal electrical insulation for new‑energy battery module housings
• Die‑cut insulating components for photovoltaic module assemblies
• High‑voltage insulation parts for telecommunication equipment
• Safety insulation gaskets for household electrical appliances
• Protective dielectric barriers for various electronic assemblies
Core Advantages
✅ Superior flame‑retardant and electrical insulation performance, UL‑94 V‑0 rating (tested with PC bonded to stainless steel plate)
✅ Excellent dimensional stability and stable performance under high‑temperature environment
✅ Good cold‑hot‑shock resistance and remarkable anti‑aging performance
✅ Outstanding corona‑resistance and anti‑tracking / anti‑leakage electrical properties
✅ Good ozone resistance, corrosion resistance and mildew‑resistant property
✅ Compliant with GB/T 30512.5‑2014 automotive prohibited‑substance requirements
Storage Note: Store in original carton at 23℃, 65%RH. Avoid direct sunlight and long‑term unpackaged exposure. Shelf‑life: 12 months upon receipt of goods.
| Item | Specifications | Test Standard |
|---|---|---|
| Base Material | PC Polycarbonate | ‑ |
| Base Thickness | 0.125‑1.5 mm，tolerance ±10% | ‑ |
| Adhesive System | Acrylic adhesive (optional flame‑retardant glue) | ‑ |
| Adhesive Thickness | 0.025 mm，tolerance ±10% | ‑ |
| Peel Adhesion | ≥800 g/25mm | ASTM D‑3330 |
| Surface Finish | Matte / Matte‑black | Visual inspection |
| Density | 1.23 g/cm³ | ISO 1183 |
| Tensile Strength | 60 MPa | ISO 527 |
| Elongation at Break | ＞50 % | ISO 527 |
| Tensile Modulus | 2400 MPa | ISO 527 |
| Flexural Strength | 91 MPa | ISO 178 |
| Surface Tension | ＞34 dyn/cm | Test liquid method |
| Dielectric Constant | 3 | IEC 60250 |
| Dielectric Strength | 30 KV/mm | IEC 60243 |
| Arc Resistance | 25000.00% | IEC 60112 |
| Surface Resistivity | 1.0×10¹⁶ Ω/square | IEC 60093 |
| Volume Resistivity | 1.0×10¹⁷ Ω‑cm | IEC 60093 |
| Coefficient of Thermal Expansion | 5.8×10⁻⁵/℃ PC | ISO 11359 |
| Thermal Conductivity | 0.2 W/(m·k) | ASTM D5470 |
| Shrinkage Rate | 0.5‑0.7 % | ASTM D1204 |
| Glass Transition Temperature | 152 ℃ | ISO 11357 |
| Flame Retardancy | UL‑94 V‑0 (PC bonded to stainless steel plate) | UL‑94 |
| Ozone Resistance | Pass | GM 4486P‑96 |
| Corrosion Resistance | Pass | ASTM 3568‑92 |
| Mildew Resistance | Good | ASTM G 22 |
| Environmental Requirement | Compliant with automotive prohibited‑substance requirements | GB/T 30512.5‑2014 |
Receiving, Inspection & After-sales Policy
Reliable Quality · Professional Service · Long-term Partnership
Huizhou Dongming New Energy Materials Co., Ltd. is committed to supplying dependable material products and professional customer support. To help you fully understand the acceptance procedure, application requirements, storage specifications and after-sales liabilities, please read the following terms carefully before purchasing and using our products.
1、Inspection upon Receipt
Within 3 working days after receipt of goods, the customer shall unpack and inspect the shipment, and verify the model, specification, quantity and appearance of products. If any abnormality such as damage, wrong delivery or model mismatch is found, please contact us with photos or videos as evidence. Failure to notify us within the time limit shall be deemed acceptance of the product in terms of appearance and quantity.
2、Product Application Scope
All technical data of our products are typical values obtained from standard laboratory tests, for reference only in product selection. Customers shall conduct sampling tests and reliability verification in advance according to their own working conditions, service environment and assembly requirements, and confirm compatibility before mass use. Product failure caused by skipping pre-sample verification or operating beyond the rated temperature, pressure and other permissible conditions is not covered by warranty.
3、Storage & Shelf Life
Products shall be hermetically stored in a cool, dry and dark place. Keep away from high temperature, moisture, oil contamination and prolonged UV exposure. Use the products within the shelf life marked on the label. Deterioration or premature aging resulting from improper storage by the customer is excluded from after-sales service.
4、Handling of Quality Claims
If the non-conformity is confirmed by both parties to be an inherent material quality defect, we will prioritize replacement, supplementary delivery, or negotiate a refund. We shall NOT be liable for any indirect losses including secondary processing, finished product assembly, construction work, production shutdown losses, etc.
5、Exclusions from After-sales Warranty
① Damage caused by expired shelf life or improper storage conditions;
② Quality complaints raised after the customer cuts, processes or modifies the products;
③ Wrong product selection or operation beyond permissible working conditions;
④ Man-made damage, tearing by external force, or corrosion by chemicals;
⑤ Damage caused by force majeure such as fire, flood and other natural disasters.
6、Miscellaneous
If special warranty terms or after-sales arrangements are separately agreed between the customer and our company, the provisions stipulated in the formally signed contract shall prevail. For further information about product specifications, application suitability, storage guidance or after-sales support, please reach out to our customer service team. We value long-term cooperation and keep providing stable material solutions and professional support for our partners.