+86 18002889642
info@new-silicone.com

Newsil — Silicone Rubber & Foam Manufacturer

Ceramifiable HTV Silicone Rubber — Newsil

+8618002889642
info@new-silicone.com

EV Battery Safety Materials

Advanced silicone materials designed to form ceramic protective barriers under extreme heat, providing thermal runaway protection, fire resistance, and high-temperature insulation for EV battery systems.

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EV battery pack exploded view showing ceramic silicone barrier components, fire-resistant sealing gaskets and thermal protection pads

Our Ceramifiable Silicone Product Portfolio

Ceramifiable silicone materials combine the flexibility of silicone with ceramic-forming protection under high temperature conditions. They are designed for battery safety applications requiring thermal barriers, fire resistance, and structural protection.

Ceramifiable silicone solid compound: solid silicone sheet, silicone rubber strip and molded protection parts

Ceramifiable Silicone Solid Compound

High-performance solid silicone material designed for fire-resistant barriers and high-temperature protection applications.

Applications

  • Battery pack fireproof seal
  • Cell-to-cell thermal barrier
  • Module side protection
  • Busbar and cable insulation
  • High-temperature sealing components

Key Features

  • Forms ceramic protective layer under high heat
  • Excellent flame resistance
  • Maintains structural integrity after thermal exposure
  • High temperature stability
  • Electrical insulation performance
Orange ceramifiable silicone foam sheet with porous structure as thermal barrier pad

Ceramifiable Silicone Foam

Lightweight ceramic-forming foam material designed for thermal runaway protection and fire propagation prevention inside battery packs.

Applications

  • Cell-to-cell thermal barrier
  • Battery module fire isolation
  • Thermal runaway protection pad
  • Lightweight insulation layer
  • Battery bottom protection

Key Features

  • Lightweight structure
  • Ceramic barrier formation under extreme heat
  • Delays thermal propagation
  • Flame-resistant performance
  • Maintains separation during thermal events

Ceramifiable Silicone Applications in EV Battery Packs

Five key protection locations inside an EV battery structure.

Exploded EV battery structure highlighting ceramic silicone application locations

1

Cell-to-Cell Thermal BarrierCeramic silicone sheets placed between battery cells to slow thermal propagation.
2

Module Side Fire ProtectionBarrier pads protecting battery modules from heat and flame exposure.
3

Battery Pack Fireproof SealCeramic silicone gasket between battery cover and housing.
4

Busbar & Cable ProtectionHigh-temperature insulation around electrical components.
5

Bottom Thermal Protection LayerCeramic silicone layer protecting battery tray and cooling system.

From Silicone to Ceramic Protection Layer Under Extreme Heat

Flexible silicone material before heat exposure
BeforeFlexible silicone material
High temperature flame exposure on ceramifiable silicone
High Temperature ExposureExtreme heat triggers ceramic transformation
Rigid ceramic protective structure after transformation
AfterRigid ceramic protective structure

When exposed to extreme temperatures, ceramifiable silicone transforms into a stable ceramic barrier that provides thermal insulation, flame resistance, and structural protection.

Why Choose Ceramifiable Silicone

🛡

Thermal Runaway ProtectionHelps slow heat propagation between battery cells.

🔥

Fire ResistanceProvides protection under high-temperature conditions.

Ceramic Barrier FormationTransforms into a protective ceramic structure.

Electrical InsulationProtects high-voltage components.

Flexible ProcessingCan be produced as sheets, pads, seals, or molded components.

Advanced Silicone Solutions for EV Battery Safety

We provide customized ceramifiable silicone materials according to battery system requirements, including thermal protection, flame resistance, insulation, and structural safety.

Request Technical Data

Newsil Silicone R&D

Ceramifiable HTV Silicone Rubber for Extreme Temperature Protection

High-performance silicone rubber that transforms into a ceramic structure under extreme heat exposure.

Ceramic Structure Formation

HTVhigh-temperature vulcanized silicone rubber
Fireceramic residue + flame protection
Cablefire-resistant cable and seal applications

Normal HTV silicone rubber material

Normal Silicone MaterialFlexible HTV silicone rubber compound
Extreme high temperature battery fire exposure

High Temperature EnvironmentFlame, heat and hot-gas exposure
Ceramic protection structure after transformation

Ceramic Protection StructureCeramic-like barrier after conversion
Direct brand references: Guangmai HTV silicone rubber, Taiya battery flame-impact diagram, Rogers silicone fire barrier.

Material Technology

Advanced Ceramifiable Silicone Technology

Traditional SiliconeHigh temperature degradation
Ceramifiable SiliconeCeramic structure formation under extreme heat

Silicone MatrixHTV silicone rubber base for mechanical strength and processability.
+
Ceramic Functional FillersMineral ceramic-forming system for high-temperature conversion.

↓ Ceramic Structure Formation

Ceramifiable HTV silicone rubber material detail
Direct brand reference: Guangmai CS solid ceramifiable silicone rubber detail image.

Product Advantages

Material Advantages

High Temperature Resistance

Ceramic Residue Formation

Flame Protection

Mechanical Stability

Electrical Insulation

Applications

Fire and Heat Protection Applications

Battery fire protection cover

Battery Fire Protection

Battery pack fire cover and thermal protection layer.

Fire resistant cable silicone barrier

Fire Resistant Cable

Fire-barrier material for cable protection systems.

High temperature silicone seal material

High Temperature Seals

Fire-resistant seals, gaskets and closure components.

Industrial heat protection silicone heat shield

Industrial Heat Protection

Heat shields and industrial fire-protection barriers.

Processing Method

Processing Compatibility

Designed for HTV silicone rubber processing routes and application-specific part development.

HTV CompoundSilicone matrix + ceramic functional fillers
ExtrusionProfiles, strips and cable layers
Compression MoldingSheets, covers and sealing parts
VulcanizationHTV curing and dimensional stability
Ceramic ProtectionCeramic structure forms under extreme heat

Technical Specification

Typical Technical Specification

Public benchmark values from Taiya / Guangmai CS-70 and CS-70-G ceramifiable silicone rubber TDS. Newsil final TDS values are subject to sample validation.

Property CS-70 Benchmark CS-70-G Benchmark Method / Note
Appearance Solid silicone rubber sheet / roll Glass-fiber composite silicone sheet Visual
Hardness Shore A 70±5 >70 Shore A GB/T 531.1
Tensile Strength ≥3.5 MPa ≥25 MPa GB/T 528
Elongation ≥70% Composite structure GB/T 528
Compression Set <12% <12% Public TDS
Ceramic Residue Ceramic structure formation; 1200°C / 30 min no cracking Ceramic structure formation; 1200°C / 30 min no cracking Public TDS
Temperature Performance -60–220°C recommended -60–220°C recommended Public TDS

Benchmark references only. Newsil reserves final TDS issuance after compound formulation, processing and customer validation.

Development Capability

Customized Silicone Formulation

Newsil provides silicone formulation and application development for battery safety, cable fire protection and industrial heat-protection programs.

R&D positioning: silicone material development, not ordinary processing.

Newsil provides:

  • Formula optimization
  • Hardness adjustment
  • Flame retardant modification
  • Application development

Newsil Silicone Experts

Develop Your Ceramifiable HTV Silicone Material

Send your hardness, tensile, flame-test, ceramic-residue and processing requirements. Newsil will match the formulation and part-development route.

Contact Our Silicone Experts

Direct brand/public sources grabbed for this local build: Guangmai CS product page and TDS, Taiya CS product page and TDS, Rogers thermal-runaway / fire-barrier / heat-shield references, Zhao et al. Polymers 2022. Public benchmark references are not Newsil guaranteed specifications.

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