PVA RESIN FOR 
BLOW FILM EXTRUSION 

HIDRORESIN PVA resin for industrial film extrusion logo

  • INFHIDRO supplies high-performance PVA (PVOH) resin, commercially available under the HIDRORESIN® brand, specifically engineered for blown film extrusion. Our film-grade water soluble resin ensures stable processing, consistent melt behavior and excellent mechanical strength for demanding industrial film applications.

  • HIDRORESIN® film grades are optimized for conventional blown film lines and allow precise control of thickness, transparency and dissolution properties. The material integrates into standard extrusion systems while maintaining uniform bubble stability and reliable film formation.

  • Our resins are available in different dissolution profiles (cold or hot water soluble) and can be tailored to meet specific processing and performance requirements depending on the final film application.

  • Processing performance of water soluble resins for blown film extrusion depends on line configuration and equipment parameters. Compatibility with the customer’s blown film system should be verified prior to implementation, and adjustments may be required to optimize melt stability and film quality. Processing should be carried out by experienced operators familiar with thermoplastic film extrusion.

Water soluble PVA resin used for film blowing and injection moulding processes

Film Processing & Environmental Benefits

Water Soluble

Biodegradable

Hot Water

Cold Water

Recyclable

Zero Microplastics

PVA Resin for Blown Film Extrusion – Processing Example

Technical Specifications of HIDRORESIN® Water Soluble Resins

Series Model Application / Main Use Format Film Thickness Temperature Dissolution Time
Standard PBBT COLD Blown film extrusion of water-soluble film for bag making Pellets 20 - 60 μm Cold Water 120s (at 15°C)
Standard PBBT HOT Blown film extrusion of water-soluble film for bag making Pellets ≥ 25 μm Hot Water 120s (at 65°C)

Yes, PVOH-based granules (pellets) are formulated to be processed on standard polyolefin blown film extrusion lines. However, prior to industrial implementation, it is recommended to verify equipment compatibility and conduct trial runs to adjust line parameters. Furthermore, processing should be carried out by operators experienced in thermoplastic processing. Working within a temperature range of 185°C to 220°C (never exceeding 230°C to prevent polymer degradation) and purging the screw with LDPE before and after each use is advised.

PBBT COLD: Formulated for manufacturing ultra-thin films (20 to 60 microns) with rapid dissolution in cold water from 15°C (dispersion time of only 4 seconds).

PBBT HOT: Designed for hot water films (soluble from 70°C), providing higher thermal resistance and stability during storage or transport in humid environments before contact with high-temperature water.

Yes. INFHIDRO’s PVOH resins are non-toxic and fully biodegrade in aquatic environments (converting into water, CO₂, and biomass). They do not generate microplastics.

They are supplied as free-flowing pellets in 25 kg bags. To keep their melt properties intact, they must be stored in a dry, ventilated area protected from contact with water, ambient humidity, and direct sunlight. They have a guaranteed shelf life of 2 years in their original packaging.
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