Coated Conductive PP Sheet

Coated Conductive PP Sheet

By applying a uniform conductive coating on high-quality PP substrate, the sheet provides controlled surface resistivity, excellent formability, and consistent performance during heating and forming.

0.3–1.5mm Thickness Range
Surface coating Conductive Method
10^4Ω ~10^6Ω Surface Resistivity
Thermoforming ready Formability

Coated Conductive PP Sheet Roll for Thermoforming

Coated Conductive PP Sheet Roll is a specially engineered polypropylene sheet designed for thermoforming applications requiring stable electrical conductivity and surface protection.

By applying a uniform conductive coating on high-quality PP substrate, the sheet provides controlled surface resistivity, excellent formability, and consistent performance during heating and forming.

It is widely used in ESD packaging, electronic component trays, industrial containers, and protective thermoformed parts where static control and durability are critical.

Technical Specifications

Specification Coated Conductive PP Sheet
Color Any customized color
Material Polypropylene (PP)
Surface Resistance 10^4Ω ~10^6Ω
Width 300–900 mm
Thickness 0.3–1.5mm
Density > 0.92(g/cm³)

Advantages for Thermoforming Applications

  • Consistent Conductivity After Forming
    The conductive coating is designed to maintain stable surface resistivity even after heating, stretching, and forming, ensuring reliable ESD performance in finished parts.
  • Excellent Formability
    Optimized PP formulation provides: Uniform thickness distribution; Reduced whitening and cracking; Clean mold definition
  • Process Stability
    Compatible with continuous roll-fed thermoforming, reducing material waste and improving production efficiency.
  • Chemical & Impact Resistance
    PP substrate offers good resistance to: Acids and alkalis; Industrial chemicals; Mechanical impact during handling and transport
black HIPS Sheet

Coated Conductive vs Bulk Conductive PP Sheet

Comparison Item Coated Conductive PP Sheet Bulk Conductive PP Sheet
Conductive Principle Conductive coating applied on PP surface Conductive fillers dispersed throughout PP material
Surface Conductivity Stability High and consistent surface resistivity May vary depending on filler distribution
Surface Resistivity Range Typically 10⁴ – 10⁸ Ω/sq (customizable) Typically 10³ – 10⁶ Ω/sq
Thermoforming Performance Excellent formability with minimal cracking Reduced formability due to high filler content
Surface Finish Smooth and uniform Matte or rough surface possible
Thickness Uniformity After Forming Good thickness distribution Higher risk of thinning and stress marks
Material Flexibility Better flexibility Lower flexibility, more brittle
Impact Resistance Good impact resistance Reduced impact resistance
Weight Lighter Heavier due to conductive fillers
Roll Quality Suitable for high-speed roll-fed thermoforming Less stable for continuous roll processing
Cost Structure Cost-effective for large-area applications Higher material cost
Typical Applications ESD trays, electronic packaging, thermoformed parts Heavy-duty ESD components, structural parts
Customization Flexibility High (coating level, resistivity, thickness) Limited (material reformulation required)

Typical Applications

This material is recommended for indoor, controlled-use applications and is not intended for high-temperature or structural load-bearing use.

  • ESD thermoformed trays for electronic components
  • Conductive packaging for ICs, PCBs, and sensitive devices
  • Industrial handling trays and containers
  • Protective packaging requiring static control
  • Custom thermoformed conductive parts
PS for esd tray PS for esd tray HIPS-plastic-rolls-for-electronics PS-for-packaging

From a Product Manager with 10 Years of Experience

“On paper, many conductive PP sheets look similar. In real production, they are not.”

After working with thermoforming factories and electronics packaging customers for over 10 years, I’ve seen most problems don’t come from the spec sheet, but from what happens during forming and mass production.

Here’s what really matters — and how this product addresses it:

1️⃣ Conductivity That Survives Thermoforming

Many conductive sheets test well before forming, but after heating and stretching:

  • Surface resistance increases
  • Conductive paths break
  • ESD performance becomes unstable

👉 This coated conductive PP sheet is designed so the coating adheres firmly to the substrate, maintaining conductivity after forming, not just before.

2️⃣ Real Roll Quality, Not Just “Roll Form”

In real factories, roll quality affects:

  • Feeding stability
  • Heating uniformity
  • Scrap rate

We focus heavily on:

  • Flatness consistency
  • Tension control
  • Edge quality

👉 This reduces line stoppages and material waste, especially in high-speed thermoforming lines.

3️⃣ Balance Between Conductivity and Formability

Higher conductivity often means:

  • Poor stretchability
  • Surface cracking
  • Mold marks

Lower conductivity means:

  • ESD risk

👉 The coating system is tuned to achieve a practical balance, not an extreme lab value — because stable production is more valuable than theoretical performance.

4️⃣ Customization That Actually Makes Sense

Instead of “everything customizable”, we usually guide customers on:

  • The right resistivity range for their application
  • Thickness selection to avoid overdesign
  • Cost-effective coating levels

👉 This helps customers control cost without risking performance, which is often overlooked.

5️⃣ Designed for Long-Term Supply, Not One-Off Orders

Many issues appear after the first few shipments:

  • Batch-to-batch variation
  • Color inconsistency
  • Performance drift

We treat this product as a long-term industrial material, with:

  • Process stability
  • Consistent raw materials
  • Repeatable coating performance

Why Choose PULIXIN

Your Reliable Partner for Professional Thermoforming Materials

Consistent Quality

Strict process control with ISO, FDA and food-contact certifications ensures stable performance for every roll and sheet.

Customized Formulations

From high-impact to anti-fog, anti-UV and high-clarity solutions — tailor-made to your production needs.

Fast Delivery & Support

Efficient logistics, fast sample dispatch and responsive technical support for global clients.

Need Custom PET / PP / PS Sheets?

Tell us your thickness, width, color and application — we will design the perfect solution.

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