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YUNCON® ST-20

Technical Datasheet | Supplied by Yunnan Yuntianhua

YUNCON® ST-20 by Yunnan Yuntianhua is an odourless, polyacetal (POM) copolymer containing an elastomer. Exhibits high toughness and high impact resistance. YUNCON® ST-20 is designed for processing by injection molding. Used in spoiler clip, bumper clip, mudguard clip, gear sleeve and gaskets. Complies with UL-94 (HB) flame rating.

YUNCON® ST-20 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

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

2.5 g/10 min

(190°C, 2.16 kg)

ISO 1133

Water Absorption

0.6 %

(24h, 23°C)

ISO 62

Flexural Strength

81 MPa

ISO 178

Extrusion Properties

Value & Unit

Test Condition

Test Method

Melt Temperature

180 - 190 °C

Grooved Feed Zone and Short Compression Screw

> 25 D

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YUNCON® ST-20

YUNCON® ST-20 Properties

Physical Properties

YUNCON® ST-20 Processing Guidelines

Extrusion Properties