Category overview

Cling Agents

Based on 18 products - Last update on the Jun 26, 2025

Cling agents are additives used to enhance the adhesive properties of plastic films, making them stick to surfaces or to themselves. These agents work by migrating to the surface of the film and creating a tacky layer that improves adhesion. Key features include their ability to provide consistent cling, improve the mechanical properties of the film, and maintain clarity and flexibility. Cling agents are commonly used in stretch wrap films, food packaging, and agricultural films. 

Alternatives to cling agents include adhesive coatings which provide a similar function. Sub-types include low and high molecular weight polyisobutylene variants.

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Ferrocling PW 60

by Ferro-Plast

Ferrocling PW 60 by Ferro-Plast is a concentrate of high molecular weight polyisobutylene tackifler in linear low density polyethylene. Acts as a cling agent. Contains 57-63% polyisobutylene. It is dry and free-flowing. Polymers used with it must not contain any slip or antiblock additives or have a density higher than 0.923 as it prevents the migration of the cling additive. It can be used in both blown or cast film processes. Designed to produce stretch film from LLDPE, LDPE or other polyolefins for the applications of pallet wrap, silage wrap and food wrap. Addition rate depends on which layer is used and the layer thickness. Recommended dosage rates are 8% by wt. for monolayer blown films in LLDPE (or resin mix), 3-4% for monolayer cast films. For multilayer film lines, it is added in the skin layers only. Ferrocling PW 60 compliant with FDA food contact approval.

KVIS-30

by Kothari Petrochemicals

KVIS-30 by Kothari Petrochemicals acts as a cling additive in stretch/cling film manufacturing. It is a viscous, non-toxic, chemically inert, high molecular weight polyisobutylene (PIB) grade.<br> <ul style="padding-left: 40px;"><li>It functions as a tackifier for linear low density polyethylene (LLDPE).</li> <li>It is either incorporated directly into film extrusion or through a PIB masterbatch.</li> <li>Films made by incorporating KVIS-30 exhibit good clarity, durability and cling properties.</li> <li>The recommended applications for tackified LLDPE are pallet stretch wrap and bale silage wrap.</li> <li>It possesses very low toxicity, making it suitable for use in domestic cling film meant for food wrap.</li> <li>It has a shelf life of 12 months. </li></ul>

PW 52

by Polytechs

PW 52 by Polytechs is a high molecular weight polyisobutylene tackifier based cling masterbatch in linear low density polyethylene(LLDP). It is a dry free flowing pellet. PW 52 is used to produce stretchwrap film from LLDPE, LDPE and other polyolefins for the applications of palletwrap, silagewrap and foodwrap. It can be used on either blown film or cast film process. Polymers used with PW 52 masterbatch must not contain any antiblocking additive, slip agent, or have a density higher than 0.923, as this will prevent the migration of cling additive. Migration time for good cling properties is usually 24 to 72 hours. On monolayer blown film lines, 10% PW 52 by weight should be added to resin mix. On monolayer cast lines , 4 to 6 % PW52 should be added. On multiple-layer film lines, PW52 is usually added to the skin layers only. Addition level depends on which layer is used and the thickness of layer. Polyisobutylene is allowed by the FDA for use in contact with food ( 21 CFR 117.1430 ) and also meets the requirements of EC Directive 90/128/EEC.
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Cling Agents