SMI Knowledge Hub

SMI Industry Blog

Plain-English guides on rubber profiles, PVC extrusion, bus body building, container seals, and smart procurement — written for buyers, engineers, and fleet managers across India.

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Bus Body Manufacturing

Why Co-Extrusion Profiles Are Replacing Traditional Seals in Modern Bus Designs

An in-depth technical and commercial analysis of how multi-material co-extrusion technology is transforming commercial vehicle body construction across India — and what it means for procurement teams.

January 2026 · 5 min read · Bus Body

Container Logistics

The Hidden Cost of Poor Container Seals — And How to Fix It

Cargo damage from failing seals costs the logistics industry billions. Here's what procurement managers need to know before their next container seal order.

Procurement Strategy

How to Evaluate Industrial Rubber Suppliers: A 7-Point B2B Checklist

Not all rubber profile suppliers are equal. Use this framework to select partners who deliver quality, consistency, and volume capability at scale.

EPDM vs Neoprene vs Silicone: Choosing the Right Rubber for Your Application

A practical guide to rubber compound selection for industrial sealing and automotive applications — covering temperature, chemical resistance, and cost trade-offs.

Glass Run Channels Explained: Why They Matter More Than You Think

A detailed look at the engineering behind automotive glass run channels — how they work, why they fail, and how to specify the right replacement or OEM solution.

EV & Future Tech

What the EV Revolution Means for India's Industrial Rubber Sector

As electric 3 and 4 wheelers scale up in India, the rubber and PVC component supply chain must evolve. Here's what manufacturers need to prepare for now.

AIS-052 Compliance and What It Means for Bus Body Profile Specifications

India's bus body building standards (AIS-052) have significant implications for material and profile specifications. Here's what body builders and procurement teams need to know.

Procurement Strategy

Single-Source vs Multi-Supplier: The Real Trade-off for Industrial Component Buyers

Should you consolidate your rubber and PVC profile sourcing with one strategic partner, or spread risk across multiple vendors? A data-driven analysis.

Understanding Compression Set: The Property That Determines Seal Longevity

Compression set is the single most important mechanical property for sealing applications — and the most commonly misunderstood. Here's a plain-English explanation.

Container Logistics

Reefer Container Seals: Why Cold Chain Integrity Starts at the Door Gasket

Temperature excursions in reefer containers are often traced back to seal failure. Here's what to specify and what to inspect in your refrigerated container fleet.

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Container Logistics

EV & Future Tech