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Kostil® B 266

Technical Datasheet | Supplied by Versalis (Eni Group)

Kostil® B 266 by Versalis (Eni Group) is a general-purpose, styrene-acrylonitrile copolymer with good chemical resistance and a very low residual monomer content. It combines high clarity with good mechanical properties. It is suitable for both injection molding and extrusion processing. It is recommended for lighting fittings, refrigerators clear components, cosmetic packaging, shower boxes, household and small domestic appliances. Kostil® B 266 is also used in chair seats, medical & pharmaceutical items, industrial glazing, sneeze screens (e.g. anti-Covid), components for copier, printer and fax.

Kostil® B 266 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

20 g/10 min

(At 220°C, 10 kg)

ISO 1133

Water Absorption

< 0.2 %

(At 24 hr/23°C)

ISO 62

Density

1.07 g/cm³

ISO 1183

Extrusion Properties

Value & Unit

Test Condition

Test Method

Pre-Drying Temperature

80 °C

Melt Temperature

180 - 240 °C

Pre-Drying Time

1 - 2 hr

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Kostil® B 266

Kostil® B 266 Properties

Physical Properties

Kostil® B 266 Processing Guidelines

Extrusion Properties