Parylene Dimers – High-Purity Materials for Reliable Coatings

Overview

SCH Services Ltd supplies high-purity Parylene dimers (N, C, D, AF-4) for consistent deposition across commercial Parylene coating systems. Every batch is fully traceable, vacuum-sealed, and supplied with documentation for regulated sectors in aerospace, medical and electronics.

We support both in-house coaters and subcontract users with the right dimer grade, pack size and logistics — from R&D quantities to full production volumes.

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Abstract molecular lattice design in blue gradient tones showing interconnected hexagonal structures symbolising Parylene dimer chemistry, purity, and precision.

Why Buy Parylene Dimers from SCH?

  • High Purity & Consistency: tightly controlled production with batch QC and full documentation for regulated sectors.
  • Proven in Real Processes: the same dimer grades are used daily in SCH’s own Parylene coating services.
  • Flexible Supply Options: standard 500g & 1 kg packs with custom sizes and private-label options available.
  • Technical Support: guidance on grade selection, handling, storage and process optimisation from experienced Parylene engineers.
  • Global Logistics: established supply into Europe, North America and Asia with export paperwork and support.

Independent SGS Verification – SCH Parylene Materials

Independent SGS testing throughout 2025 confirmed that all SCH Parylene materials (including Parylene N, C, D and fluorinated F/AF-4) contain no detectable Substances of Very High Concern (SVHCs), polycyclic aromatic hydrocarbons (PAHs), or PFOS/PFOA compounds to ppm-level detection limits.

Applicable fluorinated grades also meet full RoHS 2.0 (2015/863) compliance. This independent verification demonstrates ultra-high-purity feedstock (>99.9 % equivalent), supporting stable polymerisation, high dielectric performance and pinhole-free coatings across the entire SCH Parylene range.

Verified by SGS-CSTC Standards Technical Services Co., Ltd – Full test reports available on request (2025).

Find out more about why Parylene dimer purity affects coating quality in our Dimers Hub.

Available Parylene Dimer Grades

Parylene N Dimer

Base chemistry with excellent dielectric strength and deep penetration for complex geometries.
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Parylene C Dimer

Most widely used; chlorine substituted for superior moisture and chemical resistance.
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Parylene D Dimer

Double-chlorinated variant offering enhanced thermal stability versus C.
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Parylene F / AF-4 Dimer

Fluorinated polymer precursor with very low dielectric constant and high temperature tolerance.
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Compare Grades at a Glance

Use this quick view to shortlist the right Parylene dimer for your application.

Grade Key Strength Typical Uses More
N Uniform penetration, high dielectric strength Sensors, MEMS, medical diagnostics Details ›
C Moisture/chemical barrier, versatility Aerospace, automotive, defence electronics Details ›
D Improved thermal performance vs C High-temp electronics, R&D Details ›
F / AF-4 Very low k, high temp, chemical resistance Semiconductor, optoelectronics, implants Details ›

Quality, Traceability & Packaging

  • High-purity grades suitable for all major deposition systems.
  • Batch-coded, vacuum-sealed containers for extended shelf life.
  • Standard packs: 500 g, 1 kg (custom sizes available).
  • Certificates of conformity and safe handling guidance supplied.

Request Parylene Dimer Pricing or Technical Data

Tell us your grade, pack size and delivery location. We’ll confirm availability and lead time.

📞 +44 (0)1226 249019 ✉ sales@schservices.com

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Parylene Dimer FAQs

Which Parylene dimer should I choose?
As a rule of thumb: N for penetration and high dielectric strength, C for moisture/chemical resistance, D for higher thermal stability, AF-4 for very low dielectric constant and high temperature. If unsure, ask our team.
What pack sizes are available?
Standard packs are 500 g and 1 kg. Custom sizes and private-label supply are available on request.
How should dimers be stored?
Keep sealed in original containers, away from heat and moisture. Follow the supplied handling guidance for best shelf life.
Are your dimers compatible with my deposition system?
Yes — our high-purity grades are suitable for all major commercial Parylene systems. Tell us your make/model if you’d like us to verify.