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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

No Single Best Silicone Sealant: A Buyer's Guide to Dow Corning 732, Grease, and Foam Board Adhesives

Scenario-based purchasing guide from an office administrator. Covers Dow Corning 732 RTV silicone sealant, silicone grease, food-grade silicone for silicone bibs, and the best foam board adhesive for polyethylene compounds.

2026-09-02 · Array
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Technical Note

Dow Corning Silicone Sealant: 7 Questions I Answer on Every Urgent Job

2026-08-31 · Array

Dow Corning silicone sealant FAQ from an emergency-repair specialist. Covers genuine silicone neutro Dow Corning 737 on Mercado Livre, o-ring permeation, PTFE seal upgrades, and TPU vs silicone — with total-cost thinking.

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Technical Note

The Most Expensive Silicone Is the One That Fails: Why I Pay for Certainty Now

2026-08-31 · Array

A procurement manager's honest account of 23 silicone-related mistakes worth $86,000. Why Dow Corning 795, bathroom silicone, silicone baking molds, and even polystyrene vs polypropylene tubes all taught the same lesson about time certainty.

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Technical Note

When “Basically the Same” Isn't Good Enough: A Material Verification Story

2026-08-31 · Array

A quality/compliance manager explains why a Dow Corning 995 silicone structural sealant substitution and an HDPE vs polystyrene tray mix-up taught him to verify every material.

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Technical Note

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

2026-08-31 · Array

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.

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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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Recent Notes

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