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Technical blog

Silicone Elastomer Notes for Buyers and Engineers

Read practical guidance on silicone sealants, greases, compounds, fluids and qualification planning.

Silicone technical article
Featured Article

Silicone vs Thermoplastic Polyurethane: 8 Years of Procurement Mistakes I Hope You Don't Repeat

A senior procurement engineer shares hard-won lessons about packing o-rings, rubber handles, building sealants, and why Dow Corning 795 silicone and TPU each have a place.

2026-08-03 · Array
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Technical Note

Silicone vs. Rubber vs. TPU: A Cost-Focused Material Selection Guide for O-Rings, Sealants, and Consumer Products

2026-08-03 · Array

A procurement manager's practical guide to choosing between silicone, rubber, and TPU for drain plug o-rings, building sealants, and food-contact products — with total cost of ownership in mind.

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Technical Note

The $22,000 Lesson: Why I Stopped Skipping Specs on Silicone Sealants

2026-07-30 · Array

A quality manager's firsthand account of a costly mistake with silicone structural sealants, and the hard-won lesson about why specs, materials, and choosing the right supplier matter more than the sticker price.

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Technical Note

Why a Cost Controller Chooses Dow Corning Silicone (Yes, Even for O-Rings)

2026-07-30 · Array

A procurement manager shares 5 years of data on total cost of ownership for Dow Corning silicone products, including AllGuard coatings, medical-grade O-rings, and cleansing rubbers — with real numbers and honest caveats.

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Technical Note

I Thought I Knew Silicone Sealants. A $4,500 Mistake in a Hospital Project Changed That.

2026-07-29 · Array

A project manager's honest account of choosing the wrong structural sealant for a medical facility, costing $4,500 in rework and a 3-week delay. Lessons on value, specs, and why Dow Corning 995 wasn't just 'more expensive.'

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Technical Note

7 Silicone Application Mistakes I Learned the Hard Way (and How to Avoid Them)

2026-07-29 · Array

A practical FAQ for engineers and buyers using Dow Corning silicone products — from foam extrusion to sealant application. Real mistakes, real costs, and the checklists that saved us.

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Technical Note

Silicone vs Rubber O-Rings: Why the “Expensive” Choice Saves You Money (A Procurement Manager's TCO Analysis)

2026-07-28 · Array

A procurement manager with 6 years of industrial sealing experience explains why silicone often beats rubber in total cost of ownership—even though the unit price is higher. Covers Dow Corning 111 grease, Dow Corning 123 seal, o-ring dimensions, and sealing polystyrene foam board joints.

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Technical Note

From Wasted Budget to Real Value: How I Learned to Stop Buying on Unit Price Alone

2026-07-28 · Array

An admin buyer shares a real-world story about discovering the true cost of silicone materials, from cheap lubricants to industrial sealants, and why TCO thinking changed everything.

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Technical Note

Why I Switched to Dow Corning AllGuard (and Why TCO Beat the Lowest Bid)

2026-07-27 · Array

A procurement manager shares real cost data from 6 years of tracking industrial silicone purchases, explaining why Dow Corning AllGuard coating and clear silicone delivered the best total cost of ownership despite higher upfront pricing.

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Technical Note

Why I Don't Give One Material Recommendation (And You Shouldn't Trust Anyone Who Does)

2026-07-27 · Array

A personal take on why choosing between polystyrene and polypropylene isn't straightforward, and how material science (and my mistakes) taught me to think in scenarios instead of absolutes.

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Recent Notes

2026-09-16 Why I Stopped Buying Cheap Silicone and Insulation: A Cost Controller's Case for Brand-Grade Materials 2026-09-16 Dow Corning 111 Silicone Grease, Clear Silicone, and Rubber vs PVC Air Hose: A Purchasing Guide 2026-09-16 Silicone & Rubber Component Checklist: O-Rings, Molds, and Heat Resistance 2026-09-16 Scenario-Based Guide to Dow Corning Silicone, Black Sealant, Rubber Roof, Raw Rubber, and Thermoplastic Rubber 2026-09-16 Emergency Sourcing Checklist: Dow Corning Silicone, Rubber Plates, and Medical Grade PTFE 2026-09-16 Dow Corning 732 RTV Silicone Se Black: A Failed Spliced O-Ring on a White PVC Pipe Taught Me to Read Specs 2026-09-09 Dow Corning vs. Generic Silicone: When the Premium Is Actually Worth It 2026-09-08 Dow Corning 111 Grease, Black Teflon, and the Polymer Question Everyone Rushes Past 2026-09-08 Dow Corning Silicone Fluids, Compounds, and O-Rings: A Buyer’s Checklist Before You Order 2026-09-07 A Waterproof Rubber Strip Failed After 14 Months: The $10,000 Nitrile Rubber Formulation Lesson

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