PFAS-Free & Fluorine-Free PPA for PE Blown Film Extrusion | SILIMER 9301

SILIKE SILIMER 9301 is a PFAS-free and fluorine-free polymer processing aid (PPA) masterbatch developed for polyethylene (PE) film extrusion. Based on a PE carrier, it provides a non-fluorinated alternative to conventional fluoropolymer processing aids and helps improve melt flow and extrusion stability, reduce melt fracture (sharkskin) and die build-up, and support smoother film surfaces. SILIMER 9301 is particularly suitable for PE blown film applications where processors are seeking more stable extrusion performance while transitioning away from fluorinated PPAs.

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Description

SILIMER 9301 is a PFAS-free and fluorine-free polymer processing aid (PPA) masterbatch designed for polyethylene (PE) extrusion, with PE as the carrier, launched by SILIKE. It is based on organically modified polysiloxane technology and can migrate to the polymer–metal interface during processing, utilizing the excellent initial lubrication of polysiloxane together with the polarity effect of the modified functional groups. At a low addition level, SILIMER 9301 can effectively improve melt flow and processability, reduce die drool during extrusion, and minimize melt fracture (sharkskin). It is widely used as a PFAS-free processing aid to improve lubrication, extrusion stability, and surface quality in PE extrusion applications, particularly PE blown film processing.

Product Specifications

Grade	SILIMER 9301
Appearance	Off-white pellet
Carrier	PE
Dosage	0.5~10%
Melt Index (190 °C / 2.16 kg), g/10 min	1~10
Bulk density	0.45~0.65g/cm³
Moisture content	<600PPM

Application advantages

• Helps reduce melt fracture (sharkskin) during PE film extrusion

• Helps reduce die build-up and die drool

• Supports improved melt flow and extrusion stability

• Helps promote smoother and more consistent film surfaces

• Provides a PFAS-free and fluorine-free alternative to conventional fluoropolymer PPAs

• Suitable for processors transitioning away from fluorinated processing aids

• Helps maintain film appearance and printability with low risk of visible surface migration under recommended processing conditions

Applications

• PE blown film

• Monolayer and multilayer PE film extrusion

• LLDPE/LDPE-based film formulations, subject to compatibility evaluation

• PE film applications requiring improved extrusion stability and melt-fracture control

• Other PE-compatible extrusion applications, such as pipes, wire & cable compounds, color masterbatches, and artificial grass, may also be evaluated depending on the formulation and processing requirements

How to use

Premix SILIMER 9301 with the compatible base resin at the recommended let-down ratio and process using standard extrusion equipment. The optimum addition level should be determined according to resin formulation, extrusion conditions, and target processing performance.

Dosage

Recommended addition level: 0.5–2 wt% for PPA replacement, processing lubrication, and die-drool reduction; 5–10 wt% when additional reduction in the coefficient of friction is required.

The optimum dosage should be determined according to the resin formulation, processing conditions, and target performance.

Transportation & Storage

This product could be transported as a non-hazardous chemical. It is recommended to be stored in a dry and cool area with a storage temperature below 50 °C to avoid agglomeration. The package must be well sealed after each use to prevent the product from being affected by moisture.

Package & Shelf life

The standard packaging is a kraft paper bag with a PE inner bag, with a net weight of 25kg. When stored under the recommended conditions in the original unopened packaging, the product has a shelf life of 24 months from the date of manufacture.

PFAS-Free PPA Technical Support & Sample Evaluation

Chengdu SILIKE Technology Co., Ltd. is a leading manufacturer and supplier of silicone-based materials and high-performance plastic additives, with more than 20 years of expertise in integrating silicone technologies with thermoplastics.

Our product portfolio includes silicone masterbatches, silicone powders, anti-scratch masterbatches, super-slip masterbatches, anti-abrasion masterbatches, anti-squeak additives, silicone waxes, dynamically vulcanized thermoplastic silicone-based elastomers (Si-TPV), PFAS-free polymer processing aids (PPAs), non-migrating slip and anti-blocking solutions, copolymeric siloxane additives and modifiers, hyperdispersants, functional additives for biodegradable materials, processing lubricants for wood-plastic composites (WPCs), matte-effect masterbatches, slip-resistant and wear-resistant functional additives, as well as a broad range of other high-performance additives for polymer processing and surface modification.

For more information, technical data, or application test results, please feel free to contact Ms. Amy Wang.
Email: amy.wang@silike.cn
WhatsApp / Mobile: +86 151 0828 0799