巴陵石化熱塑性橡膠SEBS YH-602/602T
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一、熱塑性橡膠SEBS-YH-602/602T基本參數
1、白色或淺色，呈粉末或均勻粒狀，不含機械雜質及油污。
2、苯乙烯含量：35%（重量、參考）；
3、結構：星型；
4、拉伸強度（≥MPa）：27；
5、扯斷伸長率（≥%）：500；
6、300%定伸應力（≥Mpa）：6.5；
7、扯斷永久變形（≤%）：36；
8、邵氏A硬度≥（A）：81；
9、甲苯溶液粘度（25℃、10%、Mpa.s）：150-300；
10、揮發分（≤%）：0.7
11、加氫度（≥%）：97
二、熱塑性橡膠SEBS-YH602/602T應用特點
星型結構的YH-602的加工流動性好，制品表面光潔度高、彈性回復佳。利用YH-602良好的配混加工性能和適中的力學性能可生產各種彈性體，主要對彈性回復要求高的制品，如密封材料（如建筑門窗密封條、地板和墻壁縫隙密封條）、文體用品等，也可根據實際需要用于塑料改性、改善包覆材料的表面性能和可加工性。
三、熱塑性橡膠SEBS-YH602不同充油比的典型性能（100份SEBS602參考值）：
1、YH-602在不同充油比下扯斷拉伸強度的變化
充油量50份???????? 扯斷拉伸強度?????? 15MPa
充油量100份?????? 扯斷拉伸強度?????? 6MPa
充油量150份?????? 扯斷拉伸強度?????? 5.5MPa
充油量200份?????? 扯斷拉伸強度?????? 5MPa
2、YH-602在不同充油比下300%定伸應力的變化
充油量50份???????? 300%定伸應力????? 2MPa
充油量100份?????? 300%定伸應力????? 0.9MPa
充油量150份?????? 300%定伸應力????? 0.6MPa
充油量200份?????? 300%定伸應力????? 0.4MPa
3、YH-602在不同充油比下硬度的變化
充油量50份???????? 硬度（邵A）??????? 50
充油量100份?????? 硬度（邵A）??????? 20
充油量150份?????? 硬度（邵A）??????? 18
充油量200份?????? 硬度（邵A）??????? 12
4、YH-602在不同充油比下MFR的變化（MFR是指在190℃、2.5Kg碼下測的熔體流動速率）。
充油量50份???????? MFR（g/10min)??????????? 0
充油量100份?????? MFR（g/10min)??????????? 20
充油量150份?????? MFR（g/10min)??????????? 100
充油量200份?????? MFR（g/10min)??????????? 250
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Baling Petrochemical thermoplastic rubber SEBS YH-602 / 602t
1、 Basic parameters of thermoplastic rubber sebs-yh-602 / 602t
1. White or light color, powder or uniform granular, free of mechanical impurities and oil stains.
2. Styrene content: 35% (weight, reference);
3. Structure: star type;
4. Tensile strength (≥ MPa): 27;
5. Elongation at break (≥%): 500;
6. 300% constant elongation stress (≥ MPa): 6.5;
7. Breaking permanent deformation (≤%): 36;
8. shore a hardness ≥ (a): 81;
9. viscosity of toluene solution (25 ℃, 10%, MPa. S): 150-300;
10. Volatile matter (≤%): 0.7
11. Hydrogenation degree (≥%): 97
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2、 Application characteristics of thermoplastic rubber sebs-yh602 / 602t
YH-602 with star structure has good processing fluidity, high surface finish and good elastic recovery. YH-602 can be used to produce various elastomers with good mixing and processing performance and moderate mechanical properties. It is mainly used for products with high elastic recovery requirements, such as sealing materials (such as building door and window sealing strips, floor and wall gap sealing strips), sporting goods, etc. it can also be used for plastic modification according to actual needs to improve the surface properties and processability of coating materials.
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3、 Typical properties of thermoplastic rubber sebs-yh602 with different oil filling ratios (100 parts SEBS602 reference value):
1. Change of tensile strength at break of YH-602 under different oil filling ratio
Oil filling capacity: 50 phr tensile strength at break: 15MPa
Oil filling capacity: 100 phr tensile strength at break: 6Mpa
Oil filling capacity 150 phr tensile strength at break 5.5mpa
Oil filling capacity 200 phr tensile strength at break 5MPa
2. Variation of 300% constant elongation stress of YH-602 under different oil filling ratio
Oil filling capacity 50 parts, 300% constant tensile stress 2MPa
Oil filling capacity: 100 parts; 300% constant elongation stress: 0.9mpa
Oil filling capacity 150 parts, 300% constant elongation stress 0.6MPa
Oil filling capacity 200 parts, 300% constant elongation stress 0.4MPa
3. Variation of hardness of YH-602 under different oil filling ratio
Oil filling capacity 50 phr hardness (Shao a) 50
Oil filling capacity 100 parts hardness (Shao a) 20
Oil filling capacity 150 parts hardness (Shao a) 18
Oil filling capacity 200 parts hardness (Shao a) 12
4. Change of MFR of YH-602 under different oil filling ratio (MFR refers to the melt flow rate measured at 190 ℃ and 2.5kg code).
Oil filling capacity 50 parts MFR (g / 10min) 0
Oil filling capacity 100 parts MFR (g / 10min) 20
Oil filling capacity 150 parts MFR (g / 10min) 100
Oil filling capacity 200 parts MFR (g / 10min) 250 | 
