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PW 60

Technical Datasheet | Supplied by Polytechs
PW 60 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 60 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 60 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 60 by weight should be added to resin mix. On monolayer cast lines, 4 to 6 % PW 60 should be added. On multiple-layer film lines, PW 60 is usually added to the skin layers only. Addition level depends on which layer is used and the thickness of layer. Polyisobutylene and polyethylene are allowed by the FDA for use in contact with food ( 21 CFR 177.1430 and 21 CFR 177.1520) and also meets the requirements of EC Directive 90/128/EEC and EC Directive 94/62/EC.
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Product Type
Other Additives for Thermoplastics > Cling Agents
Chemical Composition
Polyisobutylene
CAS Number
9003-27-4
SpecialChem additionnal informations based on CAS Number : 9003-27-4

Hansen Solubility Parameters

[14.5, 2.9, 2.8]
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[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with PW 60. A practical determination of these HSP values would provide higher certainty. Learn More.

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