Company News

Trusted by Europe’s Largest Polyester Yarn Manufacturer for High-Performance Molecular Sieves & Activated Alumina

Introduction

When Europe's biggest fully-integrated polyester continuous filament yarn producer needed reliable adsorbents for their critical manufacturing processes, they turned to XINTAO. After a successful trial with our 13X molecular sieve (500kg), 4A molecular sieve (1,000kg), and activated alumina (300kg) in November 2023, they placed a repeat order for 1,500kg of 4A molecular sieve in June 2024—a clear testament to our product quality and service excellence.

Why Leading Manufacturers Choose Our Adsorbents

1.Unmatched Product Performance

4A Molecular Sieve: Ideal for deep drying solvents and removing trace water in polyester production, ensuring fiber strength and consistency.

13X Molecular Sieve: Effectively captures CO₂ and hydrocarbons, protecting catalysts in polymerization.

Activated Alumina: Controls acidic contaminants, extending equipment lifespan.

2. Rigorous Quality Assurance

ISO 9001-certified production with batch-to-batch consistency.

Customizable particle size to match reactor specifications.

3. Reliable Supply

Secure packaging (moisture-proof paper bags/jumbo bags/paper drums/steel drums) to preserve adsorbent activity.

Case Study: How Our Adsorbents Optimized Their Process

Challenge	Our Solution	Result
Moisture affecting yarn quality	4A molecular sieve (<0.1% H₂O uptake)	30% fewer defects, higher tensile strength
Catalyst poisoning by CO₂	13X molecular sieve (CO₂ capacity: 18wt%)	20% longer catalyst life
Acidic byproduct buildup	Activated alumina (pH stability 6–8)	Reduced reactor corrosion

Packing & Delivery Excellence

First Order (Nov 2023)