巴陵石化热塑性橡胶SEBS YH-604/604T
一、基本性能(典型值)
1、白色或浅色,呈粉末或均匀粒状,不含机械杂质及油污。
2、苯乙烯含量:33%(重量、参考);
3、结构:星型;
4、拉伸强度(≥MPa):30;
5、扯断伸长率(≥%):530;
6、300%定伸应力(≥Mpa):5.8;
7、扯断永久变形(≤%):40;
8、邵氏A硬度≥(A):73-83;
9、甲苯溶液粘度(25℃、10%、Mpa.s):2200;
10、挥发分(≤%):0.7
11、加氢度(≥%):97
二、应用
YH-604与其它牌号相比,其耐压缩永久变形性能优秀、高填充下弹性体的力学性能和熔体流动性能均衡、在-50~90℃的温度范围内保持良好的柔韧性和硬度,可以加工各种复杂结构的制件,适合于生产建筑、汽车和电器的密封条。
以100份YH-604、120份26#白油、40份聚丙烯共混得到弹性体的典型性能如下:
扯断拉伸强度:9.0MPa
邵氏A硬度:60
扯断伸长率:700%
300%定伸应力:3.0MPa
70℃×24小时压缩永久变形:<35%
200℃、2.25kg码(口模2.06mm)熔体流动速率g/10min,0.6
Baling Petrochemical thermoplastic rubber SEBS yh-604 / 604T
1、 Basic performance (typical value)
1. White or light color, powder or uniform granular, free of mechanical impurities and oil stains.
2. Styrene content: 33% (weight, reference);
3. Structure: star type;
4. Tensile strength (≥ MPa): 30;
5. Elongation at break (≥%): 530;
6. 300% constant elongation stress (≥ MPa): 5.8;
7. Breaking permanent deformation (≤%): 40;
8. Shore a hardness ≥ (a): 73-83;
9. Viscosity of toluene solution (25 ℃, 10%, MPa. S): 2200;
10. Volatile matter (≤%): 0.7
11. Hydrogenation degree (≥%): 97
2、 Apply
Compared with other brands, yh-604 has excellent compression permanent deformation resistance, balanced mechanical properties and melt flow performance of elastomer under high filling, and maintains good flexibility and hardness in the temperature range of - 50 ~ 90 ℃. It can process parts with various complex structures and is suitable for producing sealing strips for buildings, automobiles and electrical appliances.
The typical properties of the elastomer obtained by blending 100 phr yh-604, 120 phr 26# white oil and 40 phr polypropylene are as follows:
Tensile strength at break: 9.0MPa
Shore a hardness: 60
Elongation at break: 700%
300% constant extension stress: 3.0MPa
70℃ × 24-hour compression set: < 35%
200 ℃, 2.25kg yard (die 2.06mm), melt flow rate G / 10min, 0.6