Filled PBT Compounds For Engineering Plastic

Filled PBT compounds are manufacturedbycom pounding PBT with specially treated choppedglass and modified with additives to make parts withhigh mechanical properties, heat resistance and fire resistance.

Technical Characteristics



Drying

The compound should be dried 70°C for 30 min in hopper to its use.

Processing Parameters Temperature Zone wise

Typical Property METHOD UNIT PBT-11015-GF PBT-11020-GF PBT-11030-GF PBT-11015GFFR PBT-11020-GFFR PBT-11030-GFFR
Density PPL Std. G/cc 1.50- 1.53 1.55- 1.60 1.55- 1.62 1.50- 1.58 1.60- 1.65 1.60- 1.70
Moisture Content PPIL Std. %<0.08 <0.08 <0.08 <0.08 <0.08 <0.08 <0.08
Tensile strength @ Break ASTM-D- 638 Kg/Cm2 750-800 900-1000 1100- 1200 800- 900 1000- 1100 1100- 1300
Flexural Strength ASTM-D- 790 Kg/Cm2 1200-1400 1500-1600 1700-1800 1300-1500 1600-1700 1700- 1850
Flexural Modulus ASTM-D- 790 Kg/Cm2 60000- 65000 56000- 58000 84000- 86000 75000- 78000 68000- 70000 85000- 88000
Izod Impact Strength ASTM-D- 256 Kg cm/cm 5.50-5.75 5.00-5.50 6.50-7.50 4.70-5.00 6.00-6.50 6.50 -7.50
Filler Content TGA - 13-17 18-22 28-32 13-17 18-22 28-31
Colour Visual _ Natural Natural Natural Natural Natural Natural
Flame Retardant Rating U1-94 - - - - V0 V0 V0
• Compounds can be obtained in desired colours.
• FR properties can be incorporated on request.

Special characteristics

• Excellent flame retardancy.
• Good resistance to environmental stress-cracking.
• High heat deflection temperature.
• Low warpage.
• Good mould release.
• Good Mechanical Properties.

Pre Drying


It is recommended to pre dry the granules in vacuum/air circulation ovens at 80-100⁰ C for 2-4 hrs.
Using perforated trays.

Processing Parameters


Processing Temperature Zone wise
Zones 1 2 3 4 5 6
Temperature 215⁰C 220⁰C 230⁰C 240⁰C 245⁰C 250⁰C

Storage

The material shall be kept in a dry cool place.

Form and Packaging

Packing

In 25 Kg HDPE/PP woven sacks
The information is to the best of our knowledge. The value of different parameters, operating conditions listed above are for guidance only and should not be used for drawing specification. The result & operating condition may vary depending on methods of test and manufacturing/testing equipment.