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Santoprene 271-64 美国三都坪 TPV
我公司长期代理销售三都坪Santoprene塑胶原料
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塑料- 影响着每天的日常生活
就增长速度而言，没有哪一种用量相当的材料能够与塑料相提并论。世界各地的塑料需求量增长速度均高与各国国内生产总值的增长速度。究其原因，那就是如果我们想满足日常生活需求，并且让生活越来越舒适，塑料是我们的不二选择。对于食品包装和运输、房屋的建造和保温、家用电器、交通或休闲活动等领域的应用，塑料都是首选材料。
美国三都坪TPV
TPV有轻微的吸湿特性，应补充干燥，特别是在进行挤塑或吹塑加工前，更要进行干燥。在把材料放到干燥箱中之前，应当先把干燥器的温度升高到100℃。然后使TPV在干燥箱中保持2-3小时。 应避免与相对湿度高的环境接触，因为材料会吸收水分，使加工的产品产生空洞。如果在停机较长的时间之后，在重新开始操作之前，应当把挤塑机筒内所存留的原料排出。在加工TPV之前和之后，应当把挤塑设备彻底清理干净。注塑设备或挤塑机机筒应当以机械方式清理或者用聚乙烯或聚丙烯彻底置换排空。
1）注塑加工
TPV的熔体粘度比许多种普通热塑性材料更大，在加工时，需应用较大的注料嘴、注料口、流道和浇口，还需要采用高的注射压力和较快的注射速率，以提高充模速度和减少飞边，此后在较高的压力下有一个短的保持时间，使之足以将浇料口冻结。 注射螺杆的速度应当是100至200转/分，背压力在不需要混合时应当尽可能低。
2）挤塑加工
不需要真空定径。建议采用长径比为28比1或更大比例的挤塑机。通常单段螺杆比为3比1左右，如果需要用筛网组合，可用20至60网目的筛网。最好将熔体温度保持在规定范围的下限，使挤塑产品的质量最优。
3）吹塑加工
TPV机械操作条件要求与注塑和挤塑所规定的相同。模具设计、型坯尺寸、加工周期时间、以及壁厚均匀等吹塑加工因素都与制件的几何形状有很大的关系。熔体加热过度将使牵伸比下降，应当避免过热。
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.970 g/cc | 0.970 g/cc | 23°C; ASTM D792 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Shore A | 59 | 59 | 2 mm, 15 sec; ISO 868 |
| 62 | 62 | Air at 302°F, 168 hr; ASTM D573 | |
| Tensile Strength at Break | 4.835 MPa | 701.2 psi | Air at 302°F, 168 hr; ASTM D573 |
| 5.20 MPa | 754 psi | Across Flow; ASTM D412 | |
| Tensile Stress |
2.10 MPa @Strain 100 % |
305 psi @Strain 100 % |
Across Flow; ASTM D412 |
| Elongation at Break | 390 % | 390 % | Across Flow; ASTM D412 |
| 440.7 % | 440.7 % | Air at 302°F, 168 hr; ASTM D573 | |
| Tear Strength | 16.0 kN/m | 91.4 pli | 73°F, Die C; ASTM D624 |
| Compression Set | 22 % | 22 % | 158°F, 22 hr; ASTM D395 |
| 38 % | 38 % | 257°F, 70 hr; ASTM D395 | |
| Thermal Properties | Metric | English | Comments |
| Brittleness Temperature | -60.0 °C | -76.0 °F | ASTM D746 |
| Processing Properties | Metric | English | Comments |
| Processing Temperature | 175 - 230 °C | 347 - 446 °F | |
| Rear Barrel Temperature | 177 °C | 350 °F | |
| Middle Barrel Temperature | 182 °C | 360 °F | |
| Front Barrel Temperature | 182 °C | 360 °F | |
| Nozzle Temperature | 188 - 221 °C | 370 - 430 °F | |
| Die Temperature | 199 °C | 390 °F | Extrusion |
| Melt Temperature | 196 °C | 385 °F | Extrusion |
| 193 - 232 °C | 380 - 450 °F | ||
| Mold Temperature | 10.0 - 51.7 °C | 50.0 - 125 °F | Processing |
(以上数据仅做网络参考，详情请QQ、电话或微信联系。)
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部分型号部分物性表
PA6 (polycaprolactam # nylon 6) /202A/ RTP
Use: other
Characteristic remark: antistatic; electrostatic protection
Important beters: density: 1.24 g/cm3 molding shrinkage: 0.4% notch impact strength: 91 tensile strength: 65 MPa bending strength: 96 MPa flexural modulus: 3450 MPa
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /200A FR/ RTP
Use: other
Important beters: density: 1.38 g/cm3 water absorption: 1.2% molding shrinkage: 1.2% notched impact strength: 37.4 tensile strength: 65.5 MPa bending strength: 103 MPa flexural modulus: 3450 MPa, hot debation temperature: 82.2 degrees.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /200A MS/ RTP
Use: other
Important beters: density: 1.17 g/cm3 water absorption: 1.8% molding shrinkage: 1.3% notch impact strength: 37.4 elongation at break: 5.5% bending strength: 107 MPa bending modulus: 2410 MPa thermal debation temperature: 71.1 degrees.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /201.3A/ RTP
Use: other
Important beters: density: 1.23 g/cm3 water absorption: 1.3% molding shrinkage: 0.5% notched impact strength: 64.1 tensile strength: 110 MPa, elongation at break: 3% bending strength: 159 MPa flexural modulus: 4830 MPa thermal debation temperature: 193 C.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /201A HI/ RTP
Use: other
Important beters: density: 1.19 g/cm3 water absorption: 1.4% molding shrinkage: 0.6% notched impact strength: 160 tensile strength: 89.6 MPa, elongation at break: 7% bending strength: 124 MPa flexural modulus: 3450 MPa thermal debation temperature: 177 C.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /203A Z/ RTP
Use: other
Important beters: density: 1.27 g/cm3 water absorption: 1.3% molding shrinkage: 0.4% notched impact strength: 53.4 tensile strength: 124 MPa, elongation at break: 3.5% bending strength: 179 MPa flexural modulus: 5520 MPa thermal debation temperature: 199 C.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6 / 204A FR/ RTP)
Use: other
Important beters: density: 1.63 g/cm3 water absorption: 1.3% molding shrinkage: 0.3% notched impact strength: 85.4 tensile strength: 124 MPa, elongation at break: 2.5% bending strength: 200 MPa flexural modulus: 6890 MPa thermal debation temperature: 193 C.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /PA6-T301/ Foshan wilin
Use: other
Feature preparation: 30% mineral enhancement, good dimensional stability
Important beters:
Manufacturer: Foshan Weilin Engineering Plastics Co. Ltd.
PA6 (polycaprolactam # nylon 6) /205A HI UV/ RTP
Use: other
Important beters: density: 1.34 g/cm3 water absorption: 1.3% molding shrinkage: 0.1% notched impact strength: 214 tensile strength: 110 MPa bending strength: 179 MPa flexural modulus: 7580 MPa, hot debation temperature: 204 degrees.
Manufacturer: RTP company, USA
PA6 (polycaprolactam # nylon 6) /207A MS 5/ RTP
Use: other
Important beters: density: 1.52 g/cm3 water absorption: 0.8% molding shrinkage: 0.2% notched impact strength: 96.1 tensile strength: 179 MPa, elongation at break: 2% bending strength: 248 MPa flexural modulus: 11700 MPa thermal debation temperature: 207 C.
Manufacturer: RTP company, USA
给您选择我们的理由：
1：全新原产原包，品质保证。无副牌、水口料。
2：价格合理，诚信经营。
3：可全国供货。免费提供外包装保护袋。（广东省内免费送货上门）。
4：完善的售后服务，可提供加工参数，塑胶原料相关报告。
郑重承诺:本公司所售原料均为原厂原包装正牌料,杜绝一切副牌料,水口料以次充好,不开封，无破损！（价格未能及时更新，可能与实际价格有出入，以口头或书面报价为准）
