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CompaDur® 121 GK 20 (008)

1 of 16 products in this brand
CompaDur® 121 GK 20 (008) is a PBT, injection molding grade, 20% glass beads, heat stabilized, low warp, good surface.

Polymer Name: Polybutylene Terephthalate (PBT)

Processing Methods: Injection Molding

Fillers Included: Glass Bead

Additives Included: Heat Stabilizer

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Identification & Functionality

Additives Included
Chemical Family
Fillers Included
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers Processing Methods
Processing Guidelines

Predrying

The moisture of CompaDur must not exceed 0,02% in order to avoid the degradation of the polymer during processing. Therefore we strongly recommend to pre-dry the product, preferably by air dryer (dry air). The product should be dried over 2 to 4 hours at 120 - 140 ° C.

Properties

Color
Flame Rating
Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Density (23°C)1.45g/m³ISO 1183
Melt Volume Flow Rate (250/2,16)22cm³/10 minISO 1133
Tensile Modulus (1mm/min)3800mPaISO 527
Stress at Break (5 mm/min)50mPaISO 527
Strain at Break (5 mm/min)5%ISO 527
Flammability (0,8 mm)HBClassUL 94
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Cylinder (Temperature)250 - 265°C
Nozzle (Temperature)260 - 270°C
Mass (Temperature)260 - 270°C
Mould (Temperature)75 - 100°C
Melt Residence Timemin. 5-10
Injection Pressure600 - 1000bar
Post Pressure400 - 800bar
Dynamic Pressure10 - 30bar
Screw Speed80Upm
Injection RateHigh
NozzleOpen

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Regional Availability
  • Europe