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Plastics & Elastomers
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Plastics & Elastomers
by SpecialChem
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lupital™ MAH25

lupital™ MAH25 by Mitsubishi Engineering-Plastics is a high rigidity and high strength polyacetal (POM) resin. It is designed for making thinner walls. It is suitable for applications including drug inhaler for COPD & asthma, injection devices such as insulin pens and parts for medical devices. It is processed by injection molding at medium injection speed. lupital™ MAH25 is compliant with ISO10993-5 & 10, USP 87, USP 88 Class IV and FDA Drug Master File.
Product Type
POM (Polyacetal, Polyoxymethylene)
Product Launch Date
Jun 1, 2021
Product Status

lupital™ MAH25 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
1.41 g/cm3
( )
ISO 1183
Water Absorption
0.22 %
(At 23°C, 60% RH)
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
15 g/10 min
(At 190°C, 2.16 kg)
ISO 1133

lupital™ MAH25 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Pre-drying Temperature
80 °C
Pre-drying Time
3 - 4 hr
Rear Cylinder Temperature
170 - 180 °C
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