MFW201 Polyethylene Antifog Masterbatch

MFW201 is a multi-component antifog masterbatch manufactured by Zhejiang Bastone Technology Co., Ltd. for polyethylene film and injection molded products.
Added at 3–15% loading, it suppresses fog droplet formation on the inner surface of PE packaging under both cold and hot storage conditions, and carries FDA and GB compliance for direct food-contact use.

Description

MFW201 is a polyethylene-carrier antifog masterbatch built on a multi-component surfactant system. Bastone compounds the concentrate at its Hangzhou production facility, where the additive package is dispersed into a PE carrier resin matched to the base polymers customers actually run — LDPE, LLDPE, and PE cast film grades. The masterbatch form exists for a practical reason: liquid antifog agents are difficult to meter accurately and tend to plate out on equipment, while a pelletized concentrate drops into an existing feed system without new hardware.

The active mechanism is migration. During and after processing, the antifog components move toward the polymer-air interface and lower the surface tension of the film. Water vapor that would otherwise condense as discrete light-scattering droplets instead spreads into a continuous transparent layer. Product transparency holds, and the packaged goods stay visible on shelf.

MFW201 performs across both fog regimes, which is where many single-surfactant packages fall short. Cold fog forms in refrigerated and chilled display conditions, where slow condensation demands a migration rate that stays active at low temperature. Hot fog forms in hot-fill, microwave, and fresh-produce respiration environments, where rapid moisture load requires a faster-migrating component. Bastone's formulation addresses both because the additive package is deliberately multi-component rather than a single ethoxylate.

Dispersibility drives the processing story. MFW201 disperses evenly in the base resin without a dedicated compounding step — operators mix it with base pellets at the target ratio and feed the blend directly. No meaningful change to melt temperature, screw speed, or die setup is required, so a line running standard PE film can qualify the additive without a full process redevelopment cycle.

Quality control runs in-house. Bastone operates as an R&D-oriented chemical group with its own research center and four production sites, so formulation adjustment, batch testing, and FDA/GB compliance documentation happen under one roof rather than across a supplier chain. Buyers who need a loading level tuned to a specific film structure or a specific base resin can work directly with the people who make the product.

Factory and Activities

MFW201 Polyethylene Antifog Masterbatch - BASTONE Petrochem

Specifications

Close-up of MFW201 polyethylene antifog masterbatch pellets in translucent white PE carrier form
Close-up of MFW201 polyethylene antifog masterbatch pellets in translucent white PE carrier form

General Information

Property Value
Product Name MFW201 Polyethylene Antifog Masterbatch
Product Type Antifog additive masterbatch
Carrier Polymer Polyethylene (PE)
Manufacturer Zhejiang Bastone Technology Co., Ltd.
Compliance FDA; GB (China national standard)
Form Pelletized masterbatch

Technical Properties

Property Value
Recommended Dosage 3–15% (adjustable as required)
Antifog Performance Effective under both cold fog and hot fog conditions
Dispersibility Direct dry-blend with base resin; no pre-compounding required
Compatible Substrates PE film products; PE injection molded products
Hygiene & Safety FDA and GB certified

Recommended Processing Conditions

Parameter Guidance
Addition Method Dry-blend evenly with base resin at target ratio before feeding
Equipment Modification None required
Process Adjustment Standard PE processing parameters; no significant adjustment needed

Values above are drawn from the MFW201 manufacturer datasheet. Bastone provides a full technical data sheet and batch COA on request; parameters outside the published set are confirmed against production data before order commitment.

Applications

Operator dosing MFW201 masterbatch into a blown film extruder line producing clear PE packaging film
Operator dosing MFW201 masterbatch into a blown film extruder line producing clear PE packaging film

Polyethylene food preservation film. Fresh produce, meat, and chilled prepared foods release moisture continuously inside a sealed pack. Without an antifog additive, condensation obscures the product and accelerates surface spoilage where droplets settle. MFW201 keeps the inner film surface clear at 3–15% loading, and its cold-fog performance matters specifically here because most preservation film spends its life in a refrigerated cabinet where condensation is slow, persistent, and hardest to suppress.

Multi-layer co-extruded packaging film. In a co-extruded structure, antifog function is only needed at the sealing layer that contacts the headspace. MFW201's PE carrier lets converters concentrate the additive in the skin layer while leaving core and outer layers untouched, which reduces total additive consumption and avoids interference with print or barrier layers. Consistent dispersion is critical at co-extrusion line speeds, since a poorly dispersed concentrate shows up as gels and optical defects long before it shows up as an antifog failure.

Polyethylene cast film. Cast film runs at high output with fast quench, so the additive has to migrate reliably in a rapidly solidified web. MFW201 disperses without a separate compounding pass, which keeps changeover time short for converters running multiple film specifications on one line.

Injection molded PE containers. Lidded containers, deli tubs, and clamshells built from injection molded PE face the same headspace condensation problem as film. Thicker wall sections mean a longer migration path, and the multi-component additive package supports the sustained migration that a thicker part requires.

Why Choose BASTONE

Antifog performance testing and COA inspection beside palletized MFW201 masterbatch ready for export
Antifog performance testing and COA inspection beside palletized MFW201 masterbatch ready for export

Bastone manufactures MFW201 — the product is not resold from a third-party compounder. Production runs at Bastone's own Hangzhou facility, so incoming raw material qualification, dispersion control, and finished-batch testing sit under a single quality system. When a buyer reports an antifog performance shift, the traceability path leads to a specific production batch and a specific additive lot rather than to an intermediary.

Formulation capability is in-house. Bastone operates an R&D center supporting four production sites, and the MFW201 additive package reflects that structure — the balance between fast-migrating and slow-migrating components is a formulation decision Bastone controls and can adjust. Customers running an unusual base resin, an atypical film gauge, or a specific target fog rating can request a formulation trial rather than accepting a fixed off-the-shelf grade.

Buying from the manufacturer removes a pricing layer. Bastone quotes MFW201 at production cost plus export margin, without the markup a trading intermediary adds. Export moves through Zhejiang Bastone Technology Co., Ltd., a platform with more than ten years of documentation and shipping experience, which means FOB, CIF, and CFR terms, container consolidation with other Bastone product lines, and customs paperwork prepared correctly the first time.

Sourcing & Logistics

Item Detail
Supply Origin Manufactured at Bastone's Hangzhou production facility, China
Packaging 25 kg bags standard; alternative packaging on request
Export Entity Zhejiang Bastone Technology Co., Ltd.
Documentation COA per batch, TDS, MSDS, FDA and GB compliance statements, certificate of origin, packing list
Trade Terms FOB, CFR, CIF — Ningbo or Shanghai port of loading
Sample Availability Trial samples available for line qualification prior to commercial order

Contact Bastone Petrochem for current MFW201 pricing, lead time against your target volume, and a technical review of your film structure or molded part before you commit to a production trial.

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