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This is the free Material Data Center Datasheet of IMPET® 2700 GV1/20 - PET-GF20 - Celanese

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商品の説明文
Polyethylene terephthalate, 20 % glass fibre reinforced, high flowability, excellent gloss, high modulus

Flammability @1.6mm nom. thickn.HB-
Flammability at thickness h (0.8 mm)HB-
Processing/Physical Characteristics単位テスト基準
ISO データ
成形収縮率, 平行 0.3 % ISO 294-4, 2577
成形収縮率, 直角 0.9 % ISO 294-4, 2577
機械的特性単位テスト基準
ISO データ
引張弾性率 8200 MPa ISO 527
破壊応力 133 MPa ISO 527
破壊ひずみ 2 % ISO 527
シャルピー衝撃強さ, +23°C 20 kJ/m² ISO 179/1eU
シャルピー衝撃強さ, -30°C 20 kJ/m² ISO 179/1eU
ノッチ付きシャルピー衝撃強さ, +23°C 6.8 kJ/m² ISO 179/1eA
ノッチ付きシャルピー衝撃強さ, -30°C 6.6 kJ/m² ISO 179/1eA
熱的特性単位テスト基準
ISO データ
溶融温度, 10°C/min 255 °C ISO 11357-1/-3
ガラス転移点, 10°C/min 80 °C ISO 11357-1/-2
荷重たわみ温度, 1.80 MPa 233 °C ISO 75-1/-2
荷重たわみ温度, 0.45 MPa 248 °C ISO 75-1/-2
ビカット軟化温度, B 250 °C ISO 306
線膨張係数, 平行 23 E-6/K ISO 11359-1/-2
線膨張係数, 直角 95 E-6/K ISO 11359-1/-2
1.5mm厚さでの燃焼性 HB class IEC 60695-11-10
試験片の厚さ 1.6 mm -
厚さhでの燃焼性 HB class IEC 60695-11-10
試験片の厚さ 0.8 mm -
酸素指数 24 % ISO 4589-1/-2
電気的特性.単位テスト基準
ISO データ
比誘電率, 100Hz 4.6 - IEC 62631-2-1
比誘電率, 1MHz 4.1 - IEC 62631-2-1
誘電正接, 100Hz 30 E-4 IEC 62631-2-1
誘電正接, 1MHz 190 E-4 IEC 62631-2-1
体積抵抗率 >1E13 Ohm*m IEC 62631-3-1
表面抵抗率 1E14 Ohm IEC 62631-3-2
耐電圧 31 kV/mm IEC 60243-1
その他の特性.単位テスト基準
吸水率 0.45 % Sim. to ISO 62
吸湿率 0.2 % Sim. to ISO 62
密度 1520 kg/m³ ISO 1183
材料特有の特性単位テスト基準
ISO データ
粘度数 70 cm³/g ISO 307, 1157, 1628
Processing Recommendation Injection Molding単位テスト基準
Pre-drying - Temperature 120 - 140 °C -
Pre-drying - Time 2 - 4 h -
Processing humidity ≤0.01 % -
樹脂温度 270 - 290 °C -
金型温度 135 - 145 °C -
機能
 応力-ひずみ. , IMPET® 2700 GV1/20, PET-GF20, Celanese
 割線弾性率−ひずみ. , IMPET® 2700 GV1/20, PET-GF20, Celanese
特殊な特性
成形加工法.
射出成形.
納入形状.
ペレット.
添加剤.
離型剤.
特殊な特性.
熱安定化.
な特性
High Gloss
領域別の利用可能性
ヨーロッパ.
その他の情報
村遜速揃
To avoid hydrolytic degradation during processing, IMPET resins have to be dried to a moisture level equal to or less than 0,01%. The drying should be done in a dry-air dryer (dew point < -30°C) with a temperature of 120 to 140 °C and a drying time of 2 to 4 hours. In case of longer residence times in the dry-air dryer, the temperature should be reduced to 100°C.
The time between drying and processing should be kept as short as possible. The processing machine feed hopper should be closed during the processing operation.

Melt Temperature 270-290 °C
Mold Temperature 135-145 °C
Maximum Barrel Residence Time *) 5-10 min
Injection Speed fast
Peripheral screw speed max.0,3 m/sec
Back Pressure 10-20 bar
Injection Pressure 600-900 bar
Holding Pressure 300-500 bar
Nozzle Design open design preferred

Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided.

Ticona recommends only externally heated hot runner systems.

*) If the cylinder temperatures are higher than the recommended maximum temperatures, the max. residence time in the barrel has to be reduced.
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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