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PVC technologies and material science

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Technical articles on PVC technologies, plasticizers, stabilizers and sustainable production.

PVC plasticizer migration: test planning and interpreting results

Editor’s pick

PVC plasticizer migration: test planning and interpreting results

When flexible PVC develops an oily surface or affects an adjacent material, changing the plasticizer name alone is an incomplete response. A useful migration assessment considers actual contact conditions and the entire formulation.

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Technical knowledge, practical insight.

PVC compound samples: production trials and acceptance planning

PVC compound samples: production trials and acceptance planning

A PVC compound sample can look suitable in the laboratory yet behave differently on a production line. Sample acceptance needs measurable product targets and recorded processing conditions.

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PVC stabilizer selection: processing and lubrication balance

PVC stabilizer selection: processing and lubrication balance

PVC stabilizer selection involves more than one heat-stability value. Lubrication balance and production conditions help determine the appropriate grade; different stabilizer families are not direct equivalents.

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PVC low-temperature flexibility: DOA selection and test conditions

PVC low-temperature flexibility: DOA selection and test conditions

A PVC part that feels flexible at room temperature may behave differently in cold service. Low-temperature flexibility is confirmed by testing the finished product under defined conditions, rather than by selecting a plasticizer alone.

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TDS, SDS and CoA: reading plasticizer quality documents

TDS, SDS and CoA: reading plasticizer quality documents

A technical data sheet, safety data sheet and batch certificate answer different questions about a plasticizer. Reading them together creates a clearer decision record for selection and incoming quality control.

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TOTM and TOTM ST-0.4: selecting the appropriate grade

TOTM and TOTM ST-0.4: selecting the appropriate grade

When comparing TOTM with a stabilized TOTM grade, the product specification matters alongside the chemical base. Membership of the same plasticizer family does not make two grades interchangeable in every formulation.

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DOP grades: technical specifications and batch traceability

DOP grades: technical specifications and batch traceability

The names DOP and DEHP identify a chemical, not every quality requirement of a commercial grade. Purchasing products from the same chemical family requires separate assessment of specifications, batch documents and intended use.

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Plasticizer selection for PVC plastisol: viscosity and trial planning

Plasticizer selection for PVC plastisol: viscosity and trial planning

Selecting a plasticizer for PVC plastisol requires more than checking finished-part hardness. The mixture's behaviour during preparation, storage and application belongs in the evaluation plan too.

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PVC additive selection in 2026: performance and evidence

PVC additive selection in 2026: performance and evidence

Define the problem before evaluating a new additive.

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How to assess technical progress in PVC additives

How to assess technical progress in PVC additives

Technical progress needs comparable measurements.

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How to choose a PVC compound supplier

How to choose a PVC compound supplier

Comparing only price per kilogram gives an incomplete view of a PVC compound.

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How plasticizers affect PVC hardness and mechanics

How plasticizers affect PVC hardness and mechanics

A plasticizer is one of the components influencing hardness and flexibility in flexible PVC.

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Questions to ask about sustainable PVC additives

Questions to ask about sustainable PVC additives

Sustainability assessment goes beyond an additive's chemical family.

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Supply and application considerations in plasticizer selection

Supply and application considerations in plasticizer selection

Choosing a plasticizer involves both technical and supply decisions.

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Colour stability and process control in PVC compounds

Colour stability and process control in PVC compounds

Colour change in PVC is not necessarily caused by pigment alone.

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PVC stabilizer troubleshooting: yellowing and plate-out

PVC stabilizer troubleshooting: yellowing and plate-out

Automatically increasing stabilizer dosage is not the best starting point for yellowing, black specks or die deposits.

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Material selection for automotive PVC applications

Material selection for automotive PVC applications

Automotive cables, hoses and interior trim do not share one specification.

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Choosing compounds and plasticizers for PVC hoses

Choosing compounds and plasticizers for PVC hoses

PVC hose selection starts with the conveyed fluid.

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Switching to Ca-Zn stabilizers: formulation and process checks

Switching to Ca-Zn stabilizers: formulation and process checks

Moving to a calcium-zinc system involves more than replacing the previous stabilizer at the same loading.

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DOTP vs DINP vs DOP: a PVC selection guide

DOTP vs DINP vs DOP: a PVC selection guide

DOTP / DEHT, DINP and DOP / DEHP are different plasticizers considered for flexible PVC.

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How to measure environmental impact in PVC production

How to measure environmental impact in PVC production

A claim about reducing environmental impact needs a baseline and a clear scope.

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Sustainability in plasticizers: claims and measurement

Sustainability in plasticizers: claims and measurement

A non-phthalate designation and a lower life-cycle environmental impact are different matters.

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Flame-retardant PVC compounds: tests and specifications

Flame-retardant PVC compounds: tests and specifications

Fire behaviour cannot be inferred from an additive name or PVC chemistry alone.

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PVC cable compounds: insulation and sheathing criteria

PVC cable compounds: insulation and sheathing criteria

Cable insulation and outer sheathing serve different purposes.

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TOTM and DOA: selecting plasticizers for temperature requirements

TOTM and DOA: selecting plasticizers for temperature requirements

TOTM and DOA address different selection goals.

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Medical PVC plasticizers: documentation and validation

Medical PVC plasticizers: documentation and validation

Selecting a medical-grade raw material is not approval of a finished medical device.

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PVC compound formulation: the roles of additives

PVC compound formulation: the roles of additives

PVC compounds combine resin with additives selected for the application.

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REACH and RoHS for PVC additives: which documents matter?

REACH and RoHS for PVC additives: which documents matter?

REACH and RoHS have different scopes.

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What is the difference between phthalate and non-phthalate plasticizers?

What is the difference between phthalate and non-phthalate plasticizers?

Do not infer chemical family from similar abbreviations.

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What is PVC compound? Choosing flexible and rigid grades

What is PVC compound? Choosing flexible and rigid grades

PVC compound is PVC resin formulated with suitable additives for a defined process and end use.

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What is a Ca-Zn PVC stabilizer? Selection and use

What is a Ca-Zn PVC stabilizer? Selection and use

Calcium-zinc stabilizer systems are considered to support heat stability during PVC processing.

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What is a plasticizer? Types and selection criteria for PVC

What is a plasticizer? Types and selection criteria for PVC

A plasticizer is an additive used to modify the flexibility and processing behaviour of polymers such as PVC.

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