News & Insights

Technical resources from the PAT team on the materials we carry, the applications they serve, and the industry topics that affect both.

Gray PVC pipes with bell ends stacked at a pipe plant

Technical Reference

What is calcium stearate used for? PVC, construction, rubber, paper, and grease

One metal soap, a different job in every industry that buys it. Where calcium stearate goes, what it does there, and when the spec should say low ash.

June 2026 · 7 min read

Berry Amendment compliant color for footwear and defense

Pigments & Color

Berry Amendment compliant color for footwear and defense

Color is a domestic component under the Berry Amendment. How our US-made liquid color qualifies, where masterbatch does not, and how it is documented.

June 2026 · 7 min read

Shellac flakes, the heat-refined form of the resin

Technical Reference

Shellac grades and forms: flake, dewaxed, bleached, and how to tell them apart

Seedlac splits into flake, dewaxed, and bleached shellac by the refining route. What separates the grades, what wax content tells you, and how to pick the right form.

June 2026 · 7 min read

PFAS-free PTFE-replacement slip additives for coatings and inks

Coatings & Additives

PFAS-free PTFE-replacement slip additives for coatings and inks

Organic polymethylurea additives that give coatings and inks the slip, scratch resistance, and soft feel of PTFE wax, with no fluorine.

June 2026 · 7 min read

Printed packaging film running through a pouch-making line

Coatings & Additives

How chlorinated polyolefin adhesion promoters bond coatings to polyolefins

Why paints and inks will not stick to PP, PE, and TPO, and how CPO adhesion promoters bridge the gap without flame or corona treatment.

June 2026 · 7 min read

Coils of blue and clear flexible PVC tubing

Coatings & Additives

Choosing a non-phthalate plasticizer: where ATBC fits

How acetyl tributyl citrate fits as a non-phthalate plasticizer for cellulosics, food-contact PVC, and inks, and how to tell when it is the right call.

June 2026 · 7 min read

Sulfonamide plasticizers in printing inks and resin systems

Coatings & Additives

Sulfonamide plasticizers in printing inks and resin systems

How toluenesulfonamide and benzenesulfonamide plasticizers work in inks, adhesives, and amino, epoxy, and polyurethane resins, and how to choose a grade.

June 2026 · 7 min read

Benzotriazole vs tolyltriazole: choosing a yellow-metal corrosion inhibitor

Water & Corrosion

Benzotriazole vs tolyltriazole: choosing a yellow-metal corrosion inhibitor

Both protect copper and brass. How the methyl group changes chlorine and heat tolerance, and how to choose between BTA and TTA.

June 2026 · 6 min read

How azole corrosion inhibitors protect copper and brass in cooling water

Water & Corrosion

How azole corrosion inhibitors protect copper and brass in cooling water

How benzotriazole and tolyltriazole passivate copper and brass in cooling water: the copper-azole film, what it blocks, and why it protects the system.

June 2026 · 6 min read

Freshly cast green polyurethane wheels stacked on a pallet in a workshop

Pigments & Color

Coloring cast polyurethane: why low-viscosity liquid dispersions win

Cast PU cures from a low-viscosity liquid in a short window. Why low-viscosity liquid color disperses cleanly and holds the cure.

June 2026 · 7 min read

Masterbatch vs liquid color: choosing by your process

Pigments & Color

Masterbatch vs liquid color: choosing by your process

Masterbatch colors thermoplastics like TPU at the press; liquid color colors cast PU before cure. How the two differ and how to pick by process.

June 2026 · 6 min read

Natural TPU granules, small extruded cylinders

TPU & Elastomers

Polyester vs polyether TPU: choosing by environment

The soft-segment chemistry, not the hardness number, usually decides whether a TPU part survives its service life. How to choose.

June 2026 · 6 min read

TPU hydraulic seals

TPU & Elastomers

TPU in hydraulic and pneumatic seals: choosing the right grade

Why TPU is a premium seal material, and how to match chemistry and hardness to the fluid, temperature, and pressure.

June 2026 · 5 min read

Forklift moving a wrapped pallet of raw material bags in a warehouse

TPU & Elastomers

Sourcing Laripur TPU in North America

Who distributes Laripur TPU in North America, why domestic stock shortens lead times, and how to second-source or cross-reference a grade.

June 2026 · 4 min read

Lemon #1 flake shellac

Technical Reference

Reading a shellac COA: what flow, life, and insolubles tell you

The three numbers on every shellac spec sheet (flow, polymerization time, and hot alcohol insolubles) and how to use them to evaluate a supplier or qualify a lot.

March 2026 · 6 min read

Precision grinding wheel in operation

Technical Reference

Shellac bond in precision grinding wheels: what the flow test measures

Why abrasive manufacturers specify high-flow shellac, how the flow test works, and what happens to wheel quality when the spec isn't met.

March 2026 · 5 min read

Shore A hardness samples from 20 to 90 arranged around a rubber wheel

TPU & Elastomers

TPU durometers and what they mean for your part

Understanding Shore hardness is the starting point for selecting the right TPU grade. We break down the full spectrum from Shore A 60 to Shore D 75.

February 2024 · 4 min read

Liquid Colorants for Cast Urethane

Pigments & Color

Low-viscosity liquid colorants for cast urethane

Why low-viscosity dispersions are the preferred format for cast urethane coloration, and how to select the right carrier vehicle for your resin system.

January 2024 · 3 min read

Twin extruder screws exposed in an open extruder barrel

Coatings & Additives

Calcium stearate: heat stabilizer, lubricant, and release agent

How one additive stabilizes PVC against dehydrochlorination while lubricating the melt, and where it earns its place in rubber and powder coatings.

2023 · 3 min read

Gum Acacia for Encapsulation

Food Ingredients

Encapsulating nutritional oils with gum acacia

How gum acacia encapsulates nutritional oils in spray-dried powders: emulsification, oxygen barrier, and clean-label carrier performance.

March 2024 · 5 min read

ProFlex 9S Plasticizer

Coatings & Additives

ProFlex 9S: reactive plasticizer for amino, epoxy, and polyurethane resins

ProFlex 9S is an o/p-toluenesulfonamide reactive plasticizer for amino, epoxy, and polyurethane systems, offering permanent low-migration flexibility.

December 2023 · 3 min read

Gum Arabic Supply Chain

Industry & Supply Chain

Turmoil in Sudan: implications for the global gum acacia supply chain

Sudan supplies a significant portion of the world's gum arabic. An overview of current supply chain dynamics and what food and beverage manufacturers should know.

November 2023 · 4 min read

Certified Organic Gum Arabic

Food Ingredients

P.A.T. Products now certified organic by Oregon Tilth

PAT Ingredients is now certified organic by Oregon Tilth. What this means for our food and beverage customers.

October 2023 · 2 min read

Quats for ESD Flooring

Coatings & Additives

Quaternary ammonium compounds in ESD flooring

How quaternary ammonium compounds provide permanent antistatic properties in flooring coatings and why they outperform temporary antistatic treatments.

September 2023 · 3 min read

PureAcacia MCT Oil Powder

Food Ingredients

PureAcacia organic coconut MCT oil powder

Spray-dried MCT oil powders encapsulated with gum acacia offer superior dispersibility, clean flavor, and label-friendly positioning for supplements and functional foods.

August 2023 · 4 min read

Sunflower field at golden hour

Food Ingredients

PureAcacia high-oleic sunflower oil powder

High-oleic sunflower oil encapsulated with gum acacia for an oxidation-stable, plant-based oil powder for supplements and functional foods.

August 2023 · 4 min read

Acai berries and acai powder

Food Ingredients

Acai in nutritional formulations

Acai ingredient formats and their applications in nutritional formulations, from freeze-dried powders to spray-dried extracts.

July 2023 · 4 min read

Guar pods and guar gum powder

Food Ingredients

Guar gum powder: properties, grades, and applications

A guide to guar gum powder grades, viscosity specifications, and applications across food, personal care, and industrial markets.

June 2023 · 4 min read

Organic ingredient powder in a wooden bowl

Food Ingredients

Organic guar gum powder: what sets it apart

What distinguishes certified organic guar gum powder from conventional grades, including sourcing and certification requirements.

May 2023 · 3 min read

Orchard fruit, natural food ingredients

Food Ingredients

Organic guar gum in ice cream formulation

How organic guar gum stabilizes ice cream: usage levels, blend compatibility, and clean-label formulation considerations.

April 2023 · 3 min read

Bundles of colored halogen-free cable sleeving

Coatings & Additives

Halogen-free flame retardants: what compounders need to know

Regulatory pressure and end-market requirements are driving demand for halogen-free flame retardants. An overview of the options available for flexible polyurethane foam.

July 2023 · 3 min read

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