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EMI Shielding Gasket Reinforced Graphite Sheet With RoHS Compliant

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EMI Shielding Gasket Reinforced Graphite Sheet With RoHS Compliant

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Brand Name : CLINGSEAL

Model Number : CSG80

Certification : ISO,SGS

Place of Origin : CHINA

MOQ : 500kg

Price : 2.2USD PER KG

Payment Terms : T/T, Western Union, MoneyGram

Supply Ability : 500Tons per month

Delivery Time : 20 days

Packaging Details : pallet/wooden case

Grade : Industrial Grade

Type : Flexible Sheet

Application : gaskets

C content (%) : 99.9%

Thickness : Customers' Demand

Material : Graphite,High pure graphite

RoHS Compliance : Lead - Free/RoHS - Compliant

ISO Certification : ISO 9001/14001

ASTM Standard : ASTM - Compliant

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Products Description

RoHS-Compliant Flexible Graphite Gasket Solutions

Material Science & Manufacturing

RoHS-compliant flexible graphite materials, including sheets, foil, paper, tape, and strips, are derived from natural graphite flakes through a proprietary process:

  1. Chemical Exfoliation: Graphite flakes undergo intercalation with sulfuric acid to create expandable graphite.
  2. Thermal Expansion: Heated to 1000°C+, producing worm-like structures with a bulk density of 0.003g/cc.
  3. Cold Rolling: Compressed into binder-free coils/sheets, ensuring 99.9% purity and halogen-free composition.

Key Advantages for RoHS-Required Industries

  1. Toxic Substance Free
    • Complies with EU RoHS 2011/65/EU (Restriction of Hazardous Substances).
    • Contains <0.1% lead, <0.01% cadmium, and zero mercury/chromium VI.
  2. Multi-Industry Adaptability
    • Electronics: EMI shielding gaskets for smartphones/tablets (IEC 61373 compliance).
    • Automotive: Engine compartment seals resisting glycol-based coolants (SAE J2006).
    • Medical: Non-toxic seals for MRI equipment and pharmaceutical pumps (USP Class VI).
  3. Performance Metrics
    • Temperature Range: -200°C to +1650°C (oxidation resistance up to 500°C in air).
    • Compressive Strength: 45-60 MPa (ASTM F36), with 90% recovery after 10,000 cycles.
    • Gas Permeability: <0.01 cm³/(m·s·Pa) for helium leakage (ASTM D1434).

Customization for RoHS Compliance

  • Special Coatings:
    • PTFE-laminated variants for RoHS-compliant chemical resistance.
    • Silicone-free options for semiconductor manufacturing.
  • Hybrid Composites:
    • Stainless steel-reinforced sheets for RoHS-compliant high-pressure applications (ASME B16.20).
    • Carbon fiber interleaves for lightweight, rigid gaskets in aerospace (FAR 25.853).

Compliance & Testing

  • Certifications:
    • EU RoHS 2011/65/EU Annex II compliant.
    • REACH registered (EC 1907/2006).
    • FDA 21 CFR Part 177.2600 compliant for food contact.
  • Testing Reports:
    • SGS-tested for heavy metals (EN 1122:2001).
    • UL 94 V-0 flame rating available upon request.

Product Specifications

Parameter Standard Range Custom Options
Width 1000mm/1500mm 500-2000mm (special orders)
Thickness 0.15-5.0mm 0.05-10mm (precision cutting)
Density 0.8-1.25g/cm³ 0.5-1.5g/cm³ (density gradient)
RoHS Compliance Yes (with certificate) Additional REACH SVHC testing

Why Choose Our RoHS-Compliant Solutions?

  • Cost Efficiency: Reduces compliance risks in global supply chains.
  • Technical Support: Free FEA analysis for critical RoHS applications.
  • Sustainability: 98% material recyclability with carbon-neutral shipping options.

Engineered for performance without compromising environmental responsibility.
Item Standard Value
C concentration 99%
S concentration <1000ppm
chlorine concentration <45ppm
tensile strength 4.5MPa
compressibility >40%
recovery >10%
Temperature -200ºC-600ºC
Pressure 20MPa
Terence of Thickness -0.04mm~+0.04mm
Terence of Dimension In accordance with your Gasket size
Terence of Density -0.06~g/cm3+0.06gcm3

Grades Separate :JB/T53392-1999
Mechanical Data Qualified product Top Grade Superior Grade
Density Tolerance
g/cm3		 <0.4 ±0.10
±0.05
≥0.4 ±0.07
Tensile Strength MPa ≥3.2 ≥4.5 ≥5.0
Compression Ratio % 35~55
Rebound Rate % ≥9 ≥11 ≥12
Stress relaxation rate % ≤10
Ash % ≤6.0 ≤3.0 ≤1.0
Heat loss on ignation % 450ºC ≤1.0 ≤0.5
600ºC ≤20 ≤15

Sulphur content 		≤1500ppm ≤1000ppm ≤600ppm

Chloride content		 ≤100ppm ≤50ppm ≤20ppm

EMI Shielding Gasket Reinforced Graphite Sheet With RoHS Compliant

EMI Shielding Gasket Reinforced Graphite Sheet With RoHS Compliant

EMI Shielding Gasket Reinforced Graphite Sheet With RoHS Compliant


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