Product Details
Insulation Highland barley paper 18650 21700 lithium battery hollow
insulating paper gasket high temperature motor green shell paper
Product Overview
Our Insulation Highland Barley Paper is made laminating a polyester film to one layer of insulation
paper. The product can be supplied cut in rolls, sheets or die-cut
pieces according to customer specs. ideal for 18650/21700 lithium batteries as hollow insulating
gaskets. Also fits high-temperature motors. Features green shell,
offers reliable insulation, perfect for battery protection.
Key Features
- High Adaptability: Tailored for 18650/21700 lithium batteries
(serves as hollow insulating gasket), compatible with high-temp
motors, for wide applications.
- Standard Specs & Reliable Insulation: Meets common
battery/motor insulation assembly needs (no extra cutting);
excellent insulation isolates current to avoid leakage-caused
failures.
- Good Temp Resistance: Adapts to high-temp motor conditions,
maintains stable performance at high temps for safe equipment
operation.
Technical Specifications
Properties | Units | Values |
Nominal thickness | mm | 0.15 | 0.18 | 0.20 | 0.23 | 0.25 | 0.3 | 0.35 |
Thickness tolerance | mm | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.04 |
Grammage and tolerance | g/m2 | 140±20 | 190±28 | 220±33 | 260±39 | 300±45 | 350±52 | 425±63 |
Film Nominal Thickness | mm | 0.05 | 0.075 | 0.1 | 0.125 | 0.15 | 0.19 | 0.25 |
Applications
- Prevents Battery Fires: Shields against insulation wear and short circuits.
- Gap Filling: Acts as a durable spacer between metal components.
- Longevity: Extends battery life by reducing wear and tear.
Why Choose Us?
✔ Safety Compliant: Meets UL and IEC standards for electrical
insulation.
✔ Customizable: Special colors or sizes available for OEM projects.
✔ Cost-Effective: Bulk pricing for large orders.
Company Profile
GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise
specializing in intelligent equipment design, production and sales,
providing mechanical engineering technology design and consulting
services, electronic engineering design and consulting services.
XWELL's core team was established in 2010 and officially
established in June 2014. XWELL relies on South China University of
Technology(SCUT), and the core team is composed of several doctors
and masters from SCUT.

XWELL's main products are battery production line machines, such as
spot welding machine, battery sorting machine, battery sticking
machine, battery capacity grading machine, battery charge and
discharge aging machine, battery general testing machine, and so
on. The main application areas are new energy lithium batteries,
automobiles and other industries, Especially in the fields of new
energy, automotive wiring welding and other fields, XWELL has
accumulated rich engineering experience and mastered a full set of
core technologies, and can provide customers with a complete set of
services from technology to equipment, helping customers to
establish efficient and reliable production lines in the shortest
time .