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Silicone Sheet KB3000L

Solid Silicone Sheet, also known as Solid Silicone Rubber Sheet or HCR (High Consistency Rubber) Silicone Sheet, is a dense, non-foamed elastomer manufactured from high-viscosity silicone compounds through calendaring, compression molding, or extrusion processes.
  • KB3000L

  • KOMPA

  • Silicone material

  • 0.5mm-5mm

  • 7-14 days

  • 0.4–0.9 g/cm³

  • China

  • ISO9001, ISO14001, ISO45001, IATF16949, EN45545-2, UL94-V0, NSF61, UL157-2007 Gaskets and Seals. CE, ROHS, PAHS, REACH

Availability:
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Product Description

Silicone Sheet  KB3000L Description

KOMPA Silicone Sheet is a high-performance solid silicone rubber material manufactured from High Consistency Rubber (HCR) technology. Unlike silicone foam materials, this product features a dense and non-cellular structure, providing superior mechanical strength, dimensional stability, electrical insulation, and long-term heat resistance.

Designed for industrial sealing, thermal protection, electrical insulation, and structural applications, KOMPA solid silicone sheets are widely used in EV battery systems, ESS cabinets, electrical equipment, rail transit, industrial machinery, and outdoor environments.

Compared with liquid silicone molded products, solid silicone sheets offer higher production efficiency for sheet and roll materials, easier die-cut processing, and more economical large-area applications.


fire resistant silicone foam sheet for EV battery pack sealing

Key Features of Silicone Sheet KB3000L

Excellent High Temperature Resistance

Designed to maintain stable physical performance across a wide operating temperature range.

  • Continuous operating temperature: −60°C to +230°C

  • Short-term peak temperature: up to +250°C

  • Excellent thermal aging resistance

Suitable for high-temperature industrial environments.


Superior Mechanical Strength

Dense silicone structure delivers stronger physical performance than silicone foam materials.

Advantages:

  • Higher tensile strength

  • Better dimensional stability

  • Long-term compression durability

  • Strong tear resistance

Ideal for demanding sealing and structural applications.


Outstanding Weather and UV Resistance

Silicone chemistry provides natural resistance against environmental exposure.

Features:

  • UV resistant

  • Ozone resistant

  • Moisture resistant

  • Outdoor aging resistance

Suitable for long service life.


Excellent Electrical Insulation Performance

KOMPA solid silicone sheet supports electrical protection applications.

Benefits:

  • High dielectric strength

  • Stable electrical insulation

  • Arc resistance

Suitable for electrical and energy applications.


Flexible Converting Capability

Available in multiple conversion formats.

Processing options:

  • Roll material

  • Sheet material

  • Die-cut parts

  • Adhesive backing

  • Slitting

  • Laminating

Silicone Sheet KB3000L Technical Data Sheet (TDS) Download

KOMPA E-CATALOGUE.pdf

Solid Silicone Rubber Plate KB3000S TDS.pdf

Technical Specifications

Property KB3100S Standard KB3200S Flame-Retardant KB3300S Cryogenic Type KB3400S High-Temperature KB3500S Ceramifiable Type Test Standard
Flame Retardancy V-0 / HF-1 V-0 / HF-1, Surface Ceramification UL94
Hardness (Shore A) 20–75 30–75 30–75 30–75 30–75 ASTM D2240
Tensile Strength (MPa) ≥2.0 ≥5.0 ≥2.0 ≥2.0 ≥3.0 ASTM D412
Elongation at Break (%) ≥200 ≥200 ≥200 ≥200 ≥200 ASTM D412
Density (g/cm³) 1.1 ± 0.5 1.4 ± 0.5 1.1 ± 0.5 1.1 ± 0.5 1.6 ± 0.5 ASTM D1056
Temperature (°C) -55 to 200 -55 to 200 -55 to 200 -55 to 200 No cracking after 30 min at 1000°C ASTM D412
Environmental Testing PASS RoHS 2.0 / REACH
Thickness (mm) 0.5–5.0 ASTM D374
Color Black, Red, Customized Color Visual
Surface Treatment Glossy Finish, Matte Finish, Textured (Fabric-Like) Finish Visual
Base Material Polyester Fabric, Nylon Fabric, Glass Fiber Fabric, PTFE Fabric Visual

Silicone Sheet KB3000L Factory Video

Silicone Sheet KB3000L Laboratory Test Video 

Silicone Sheet KB3000L Factory Show

KOMPA silicone foam manufacturing factory ISO certified

Silicone Sheet KB3000L Lab Show

KOMPA laboratory testing silicone foam thermal conductivity

Silicone Sheet KB3000L Applications

EV Battery Systems

Used for:

  • Electrical insulation

  • Structural buffering

  • Thermal protection


Energy Storage Systems (ESS)

Applications include:

  • Cabinet sealing

  • Environmental protection

  • Electrical separation


Industrial Equipment

Suitable for:

  • Dust sealing

  • High-temperature protection

  • Vibration absorption


Electrical and Electronic Industry

Typical uses:

  • Electrical insulation pads

  • Protective barriers

  • Device sealing


Transportation Industry

Applied in:

  • Rail transit

  • Automotive systems

  • Outdoor equipment

Silicone Sheet KB3000L Certification

KOMPA silicone foam UL94 V-0 flame resistance testing report

Silicone Sheet KB3000L Packaging

To ensure the quality and safety of your order, KB3000L solid silicone sheets are packaged with care and precision, ready for both domestic and international shipment.

Packaging Options

Sheet Format

  • Individually stacked with protective interleaving (PE film or kraft paper)

  • Bundled in moisture-proof wrapping

  • Packed in export-grade cartons or wooden cases (on request)

Roll Format

  • Rolled with core support to prevent deformation

  • Wrapped in stretch film and bubble wrap for shock protection

  • Secured in reinforced cartons or on pallets for bulk orders

Custom Die-Cut Parts

  • Separated by layers or trays to avoid damage

  • Bagged and boxed with clear labeling by part number or project

Additional Shipping Protections

  • Palletizing for bulk shipments

  • Heat-shrink wrapping for sea freight

  • Labeling with product code, lot number, and QC status

With reliable packaging and global shipping experience, KOMPA ensures your silicone sheets arrive safely and ready for production.

silicone foam gasket products ready for delivery to EV battery manufacturers

Silicone Sheet KB3000L What You Get

What’s Included

Premium-Grade Solid Silicone Sheets

  • Consistent thickness, hardness, and surface finish

  • Clean-cut edges, ready for fabrication or direct use

Free Sample (Upon Request)

For testing and evaluation before mass production orders.

Custom Sizes Available

  • Sheets, rolls, or die-cut parts per your design

  • Thickness from 0.5 mm to 5 mm

Optional Features

  • Adhesive backing (single or double-sided)

  • Fabric reinforcement (on request)

  • Flame-retardant

Protective Packaging

  • Clean PE film wrap or kraft paper interleaved

  • Export-grade carton or pallet packaging for safe delivery

Technical Support & Documentation

  • Material Data Sheet (TDS)

  • REACH, RoHS, and UL compliance certificates (if applicable)

  • Application guidance from our engineering team

Quality Guarantee

All pads are 100% inspected, RoHS/REACH compliant, and manufactured under ISO 9001 quality systems.

Why Choose KOMPA Silicone Sheet KB3000L

KOMPA is a trusted innovator in silicone-based insulation materials technologies. We combine materials science expertise with precision manufacturing to deliver solutions that meet the most demanding requirements in EV battery systems, energy storage, automotive electronics, and industrial applications.

Why KOMPA

Materials Expertise

  • Over 8 years of experience in silicone materials

  • In-house R&D for continuous product innovation

Reliable Quality

  • ISO 9001-certified production with full traceability

  • Consistent performance, certified by third-party labs (UL, RoHS, REACH)

Custom Engineering

  • Tailored solutions: thickness, hardness, die-cutting

  • Technical support from prototype to mass production

Global Partnerships

  • Long-term cooperation with leading automotive and energy OEMs

  • Trusted by clients in Europe, North America, and Southeast Asia

Our Key Partners Include

  • Huawei – Global leader in communications, smart devices, and energy solutions

  • ZENERGY – Trusted supplier specializing in new energy battery systems

  • SAIC Motor – One of China’s largest and most innovative automotive manufacturers

  • Dongfeng Motor – Leading state-owned company in commercial and passenger vehicles

  • CRRC – World’s largest manufacturer of rail transit equipment and systems

  • CALB – Global innovator in lithium battery technology and energy storage solutions

KOMPA silicone foam key partner


Their trust speaks for our quality, reliability, and engineering excellence.

Choose KOMPA—where material innovation meets engineering precision.

Silicone Sheet KB3000L Customization Options

We understand that every application has unique requirements. That’s why our KB3000S solid silicone sheets are available with a wide range of customization options to meet your exact needs.

Available Customizations

Size & Thickness

  • Thickness range: 0.5 mm to 5 mm

  • Custom sheet sizes or roll lengths

  • Precision tolerance control for tight-fitting applications

Color

  • Standard colors: Red, Gray, White

  • Custom colors available upon request (Pantone matching available)

Adhesive Backing

  • Single-sided or double-sided PSA (Pressure-Sensitive Adhesive)

  • High-temp resistant adhesives available

  • Easy-peel liners for fast assembly

Reinforcement Options

  • Fabric-reinforced silicone (fiberglass, polyester mesh)

  • For increased dimensional stability and tear resistance

Special Properties

  • Flame-retardant (UL94 V-0 grade)

  • FDA-compliant for food or medical applications

  • Electrically conductive or anti-static grades

  • UV, ozone, and chemical resistance tailored to your environment

Die Cutting & Fabrication

  • Custom gaskets, pads, and components

  • CNC cutting, kiss-cutting, and laser fabrication

  • Low-volume prototyping to high-volume production

With flexible production and in-house engineering, KOMPA delivers silicone sheet solutions that fit your product—not the other way around.

Silicone Sheet KB3000L FAQ

What is Silicone Sheet KB3000L Used For?

Solid Silicone Sheet KB3000S is used for sealing, insulating, and protecting components in high-temperature and harsh environments. It is specifically designed for applications requiring excellent thermal stability, long-term compression resistance, and reliable electrical insulation. Thanks to its durable silicone formulation and consistent mechanical performance, KB3000S is ideal for:

  • EV battery packs and energy storage enclosures

  • Automotive engine compartments, sensors, and connectors

  • Power electronics such as converters and control modules

  • High-voltage electrical equipment and insulation panels

  • Industrial machinery and oven sealing systems

Its solid structure and customizable form make it suitable for precision gaskets, pads, and protective barriers—helping reduce mechanical stress, resist environmental aging, and ensure stable operation over time.

Can You Provide UL94 V-0 Certified Silicone Sheet KB3000L?

Yes, please download here

UL 94-V0.pdf

How to Choose Silicone Sheet KB3000L

Choosing the right solid silicone sheet depends on your application’s mechanical, thermal, and environmental demands. KB3000S is available in multiple configurations to suit a wide range of industrial and electronic uses.

Key Factors to Consider

Operating Temperature

  • Use KB3000S for applications ranging from -60°C to +200°C

  • Ideal for environments with high heat, thermal cycling, or cold starts

Thickness & Compression

  • Sheets (0.5–5.0 mm): Ideal for tight tolerances and insulation layers

  • Choose based on gap-filling and compressive force requirements

Hardness

  • Available in 25–75 Shore A

  • Softer grades for better surface conformity

  • Harder grades for dimensional stability and structural support

Surface & Appearance

  • Smooth or textured surface available

  • Red, Gray, or White standard colors; custom colors optional

  • Consider visibility, aesthetics, or color-coding in your system

Regulatory & Functional Requirements

  • Ask for flame-retardant versions if needed

  • Electrical insulation? Confirm dielectric breakdown values

  • Exposure to chemicals? Request enhanced chemical-resistant grades

Expert Tip

If you’re unsure, our engineers can help recommend the right thickness, hardness, and material grade for your application. Custom die-cutting, adhesive backing, and reinforcement options are also available. Contact KOMPA’s technical team for personalized guidance and samples.

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