# Resources & Buying Guides — Aerospace, PPE, Cleanroom & Compliance

Procurement guides on VCI corrosion protection, aerospace quality compliance, PPE sourcing, cleanroom classifications, and DGCA material requirements.

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- [DGCA Material Compliance: What Aviation MRO Buyers Need From Their Chemical Suppliers](/resources/dgca-material-compliance-aviation-mro-chemical-suppliers) — Quality & Compliance · 4 August 2026 · 6 min read

  A practical look at what DGCA material compliance means for MRO procurement, and the documentation an aviation buyer should require before approving a chemical or lubricant.

- [Cleanroom Consumables Buying Guide: Understanding ISO 3–8 Classifications](/resources/cleanroom-consumables-buying-guide-iso-classifications) — Cleanroom Supplies · 21 July 2026 · 5 min read

  What ISO cleanroom classifications actually measure, and how to match wipes, mats, and PPE to the right classification instead of over- or under-buying.

- [PPE Compliance Checklist for Aerospace MRO and Defence Facilities in India](/resources/ppe-compliance-checklist-aerospace-mro-defence-india) — PPE & Safety · 7 July 2026 · 6 min read

  A practical checklist for procurement and EHS teams sourcing personal protective equipment for aerospace maintenance, defence manufacturing, and industrial cleanroom environments.

- [AS9120B-Aligned vs. ISO 9001 Certified: What Aerospace Buyers Should Actually Check in a Supplier](/resources/as9120b-aligned-vs-iso-9001-what-aerospace-buyers-should-check) — Quality & Compliance · 16 June 2026 · 6 min read

  Certification badges tell you less than most buyers assume. Here's what actually matters when qualifying an aerospace parts and chemicals distributor.

- [VCI Corrosion Protection for Aerospace Component Storage: A Procurement Guide](/resources/vci-corrosion-protection-aerospace-storage-guide) — Corrosion Protection · 2 June 2026 · 7 min read

  What Vapour Corrosion Inhibitor (VCI) technology actually does, when to specify it over conventional rust preventives, and the questions a buyer should ask before choosing a supplier.