Polyesterimide Resin · ESTREX-S · Since 1992

Protect the Inside of Every Can

ESTREX-S provides a protective coating between the metal and the food or beverage inside, helping prevent unwanted reaction and contamination.
  • FDA Approved By Customer
  • EU REACH Compliant
  • ISO 9001:2015
  • RoHS Compliant
Talk to an Expert
Download Application Guide
The packaging problem

Between the metal and what's inside it, there is only the coating.

  • Where can coatings fall short
  1. Difficulty protecting contents from direct metal contact.
  2. Risk of product contamination in sensitive food and beverage packaging.
  3. Unwanted reactions between metal and contents.
  4. Coating challenges with special-grade aluminium cans.
  5. Difficulty meeting demanding food-contact packaging regulations.
  • What to expect from ESTREX-S
  • Protective barrier between the metal and packaged contents
  • Helps prevent unwanted reaction
  • Suitable for sensitive food and beverage packaging
  • Supports protection of inner coatings for metal cans
  • Reliable coating performance for demanding packaging regulations
Products / Grades

ESTREX-S - THEIC-modified Polyesterimide resin

A hydroxyl-functional polyesterimide resin for protective inner coatings in metal cans with food-contact packaging applications.
Product format

Solid resin in lump form

Safe and easy to handle and store. ESTREX-S is also supplied in liquid forms – our team confirms availability at the time of enquiry.

  • Solid lump form
  • Liquid forms available
  • No NMP required for dilution
Talk to an Expert

Key features

9 properties

  • mide / THEIC modification
  • Self-crosslinking properties
  • Also Supplied in Liquid Form
  • Strong adhesion
  • Hydroxyl-functional Polyesterimide resin
  • Excellent chemical and heat resistance
  • Excellent oxygen barrier performance
  • Excellent oxygen barrier performance
  • Does not require NMP for dilution
  • Supplied in solid lump form and liquid forms
Applications

Food & beverage packaging.

Used as a protective inner coating that creates a barrier between the metal packaging and the contents inside, helping prevent unwanted reaction and contamination.
pei-beer-cans

Beer Cans

Inner coatings for beverage cans, where the barrier between metal and contents has to hold for the life of the pack.
pei-food-cans

Food Cans

Protective inner coatings for food cans, supporting chemical resistance and oxygen barrier performance.
app-can-coatings

Similar Food-Contact Packaging

Other food-contact packaging applications where a protective inner coating is required on metal.
Substrate

Special-grade aluminium sheets and coils

ESTREX-S is suitable for special-grade aluminium sheets and coils that are subsequently fvormed into cans.
Discuss your substrate
pei-aluminium-coil
Manufacturing + R&D

Built to Deliver Consistency at Scale

Every batch of ESTREX-S is produced under monitored conditions and released against QC data, so what passes your approval trial performs the same way in production.
Proof / Key highlights

Capacity, compliance and the patience for a long approval.

1,500 MT/year

PEI Resin production capacity supporting large-volume, repeat supply.

State-of-the-art facility

Computerized online production monitoring, backed by 20+ experts.

3–5 year approval cycles

We work through long qualification programmes with packaging and beverage companies.

15+ countries

Serving large packaging and beverage companies across global markets.

  • Quality & compliance

ESTREX-S is FDA approved and EU REACH compliant, manufactured in an ISO 9001:2015 certified facility certified by Bureau Veritas, and supported by SGS testing, RoHS compliance and an EcoVadis Bronze sustainability rating.

ISO Certified

Quality management systems

EU Reach

EU Reach

Compliant

RoHS Compliant

RoHS Compliant

Restricted substances

EcoVadis Bronze

EcoVadis Bronze

Sustainability rating

Beyond the surface

Six checks stand between raw material and your products.

Consistent quality starts long before the product reaches you. From raw material to finished product, quality is part of the process.

Vendor Screening

Raw material sources are assessed before they enter the process.

Scientific Sampling

Representative samples are drawn under defined method, not by eye.

Multi-Level Testing

Material is checked at more than one stage, not only at release.

Trained Experts

Testing and interpretation sit with people qualified to do it.

Controlled Environment

Production runs under monitored conditions with online data capture.

QA Review Prior Release

Nothing ships until quality assurance signs the batch off.

Our story

33 years of getting the chemistry to behave the same way every batch.

With 33+ years of industry experience, Miicron combines technical expertise, quality-focused manufacturing, R&D capabilities and application support to help manufacturers find reliable specialty chemical solutions for demanding applications.

Beyond the product: technical expertise, formulation support, regulatory guidance, supply reliability and long-term customer collaboration.

Why Miicron

Six reasons manufacturers stay with us past the first order.

01

33+ Years of Industry Experience

02

20+ Technical Experts

03

Quality-Focused Manufacturing

04

Strong R&D and QC Infrastructure

05

Global Regulatory Compliance

06

Technical Support & Long-Term Partnership

Trusted by

Trusted suppliers to Fortune 500 & other MNC companies across the globe.

AKZO
ALTANA
AXALTA
FUPAO
KLKOLEO
PPG
Distribution

Our trusted distributors in Europe & the Middle East

Europe

Stockmeier Chemie
Appointed distributor for isocyanates only.

Middle East

Melcon Chem FZE
Industrial chemicals partner for the Middle East region.

Exporting to 15+ countries

China · Japan · Germany · India · Italy · Mexico · Netherlands · Russia · Spain · Taiwan · Malaysia · France · Slovenia · Middle East

Global Reach Map Slide-miicron
Core Product Categories

Three Chemistries.
One Technical Partner.

Miicron develops specialty chemical solutions designed around real manufacturing requirements, from catalysts and curing systems to protective packaging coatings.
01 Organic Titanates ↗
02 Phenol-Blocked Isocyanates ↗
03 PEI Resin ↗
Organic Titanates
01

Organic Titanates

Advanced coupling and catalytic solutions engineered to improve performance, adhesion and processing efficiency across demanding formulations.

Explore Product ↗
01
02
03

Trusted By

Trusted by Global Manufacturers

Trusted suppliers to Fortune 500 & other MNC Companies across the globe.
trusted-by-titanates

“We have always received quality products & good service from Miicron. Timing & Quality have always met our expectations.”

MNC Customer — name & company pending client confirmation

“Miicron has consistently supported us with reliable product quality and responsive service.”

MNC Customer — name & company pending client confirmation
Resources

PEI Resin documentation, on request.

Technical documentation to support evaluation, formulation and food-contact compliance decisions. Our team sends the current revision directly.

Product Brochure

Request from technical team

Technical Datasheets / TDS

Request from technical team

Application Guides

Request from technical team

Safety Datasheets / SDS

Request from technical team

Talk to Miicron

Discuss Your Metal Packaging Coating Requirements

Talk to our technical team about your application and explore how ESTREX-S can support protective inner coatings for metal packaging.
Talk to an Expert
Request a Free Sample
+91-22-69011510
Before we quote

Six questions we'll ask you.

Answer these in your first message and our technical team can come back with something useful straight away. Already eval

Already evaluating a PEI resin?

Send us the TDS you are working to and the problem that is still open, and we’ll tell you whether ESTREX-S is the right fit.
Ask our technical team
What types of specialty chemicals does Miicron manufacture?
Miicron manufactures three core categories of specialty chemicals: Organic Titanates, Phenol-Blocked Isocyanates and PEI Resin (ESTREX-S).
Miicron products are used in paints & coatings, adhesives & sealants, wire enamels, polyester & resins, printing inks, composite systems, can coatings, special paints & coatings, photo emulsions and food & beverage packaging.
Share your formulation, process or performance requirement with our technical team and they can help you identify the right Miicron product category for your application.
Yes. Miicron works with a technical team of 20+ experts who support customers on formulation fit, compatibility and process requirements.
Yes. Get in touch with our team through the Talk to an Expert form and we will follow up with the relevant documentation or sample request process.
Miicron supplies manufacturers across 15+ countries, including a Europe & Middle East distribution network for Isocyanates.
Miicron works to global regulatory expectations and holds ISO certification, SGS testing, EU REACH registration/compliance, RoHS compliance and an EcoVadis Bronze rating.

Resources & Technical Insights

Explore Miicron’s product brochures, technical documents, and resources to find the right solutions for your application.