The Universal Selection Source:
Polymer Additives

Optibloc® 325

Technical DataSheet | Supplied by Mineral technologies

Acts as a clarity anti-block- and optical brightening agent. Exhibits excellent anti-blocking efficiency and provides high clarity with low haze. Shows low interactions with stabilizers, slip agents and processing aids, allowing film formulations with low coefficient of friction, excellent stability and good color. Optimized for use in LDPE, LLDPE and PP based films. Suitable for use via direct addition, as a masterbatch or in high active concentrates. Recommended for use in food packaging (for meats, cheese, baked goods), high clarity stretch and shrink films and high performance clear bags.

Optibloc® 325 Product details

Product Type
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Product Status
Applications/ Recommended for
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Optibloc® 325 Properties


Value & Unit
Test Condition
Test Method
Average particle size
x microns
Dry brightness (Hunter Y, Rd value)
Moisture content
xxxxx %
Loss on ignition
xxx %
Specific gravity
Bulk density
xx lbs/ft3
Tap density
xx lbs/ft3
Last edited Dec 18, 2017
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