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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, Rubber, and Resins on a Deadline: Choosing What to Spec When Time Is Short

Need to choose between silicone sealant, silicone rubber, coloured HDPE, PFA encapsulated o-rings, or a thermoplastic resin distributor? Here's a real-world decision guide from someone who handles rush orders.

2026-08-31 · Array
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Technical Note

Co Extrusion vs Standard WPC: How to Choose a WPC Sheet Supplier

2026-08-28 · Array

After 5 years of sourcing WPC sheet suppliers and PVC board for construction, a procurement buyer compares co-extruded vs standard sheets, manufacturers vs traders, and why verification prevents expensive rework.

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Technical Note

Why Your Silicone Bead Fails: Dow Corning 732 vs 791 and the Problem Behind the Problem

2026-08-28 · Array

A quality inspector explains why silicone bead failures are rarely material failures, and why choosing between Dow Corning 732 and Dow Corning 791 is only part of the picture.

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Technical Note

Dow Corning Products and Total Cost of Ownership: A Procurement Manager's View

2026-08-28 · Array

A procurement manager explains why Dow Corning products often win on total cost of ownership, not unit price. Includes TCO examples with Dow Corning 995 structural sealant, silicone molds, and TPE cleaning.

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Technical Note

Dow Corning Silicone Sealant 789 vs Polyethylene: A Buyer’s Honest Comparison

2026-08-27 · Array

After a $1,500 mistake on a parking structure project, I learned how to compare polyethylene vs silicone. Here’s why Dow Corning silicone sealant 789 is now my default for outdoor sealing — and why rubber wheel stoppers belong with a TPU supplier.

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Technical Note

The Bargain O-Ring That Cost $4,800: Lessons About Nitrile, Fluorosilicone, and Specs

2026-08-27 · Array

A sourcing engineer shares how a fluorosilicone o-ring substitution, a polyurethane foam quote, and an XPS search mix-up taught him that a material name is not a material spec.

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Technical Note

Silicone Under a Deadline: A 5-Step Checklist Using Dow Corning Products

2026-08-26 · Array

Need a silicone sealant, rubber part, or food-safe utensil fast? This emergency checklist covers Dow Corning silicone 791, paintable silicone, standard o-ring dimensions, and nylon vs silicone utensils.

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Technical Note

Silicone, Sealants, and O-Rings: What I'd Check Before Buying Dow Corning

2026-08-26 · Array

A quality inspector's guide to Dow Corning 737 silicone, silicone colours, O-ring boss fittings, and whether silicone is thermoplastic or thermoset.

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Technical Note

Quality Inspector's FAQ: Dow Corning Silicone, Rubber Strips, Hydraulic O-Ring Kits & Wheel Chocks

2026-08-25 · Array

Quality inspector answers FAQs on Dow Corning 737 silicone, automotive silicone, rubber strips, hydraulic O-ring kits, and wheel chocks.

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Technical Note

Cheap Rubber, Expensive Downtime: A Value-Over-Price Argument for Silicone Materials

2026-08-25 · Array

An emergency materials specialist explains why the cheapest quote often costs more. Using Dow Corning clear silicone, AllGuard silicone elastomeric coating, nitrile rubber tubing, rubber pads, and TPU rubber as examples, this is a case for total cost over unit price.

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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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