本品是以硫磺為調(diào)節(jié)劑的氯丁二烯和二氯丁二烯的共聚合物，結(jié)晶速度中偏低，密度1.23，米黃色或淺棕色塊狀物，具有優(yōu)良的抗結(jié)晶性能，成型粘著性好，是高強度動態(tài)制品首選膠種，具有較高的耐寒性能。用于制造傳動帶、同步帶、多契帶等。本品類似于美國杜邦公司GRT型、日本電化公司PS-40氯丁橡膠。
執(zhí)行標準：Q/CHJT.J03.03.02-2019
項目 | 指標 | |
門尼粘度 ML（1+4）100℃ | DCR1141 | DCR1142 |
30-45 | 46-60 | |
門尼焦燒，≥MSt5,min | 25 | |
拉伸強度，≥MPa | 23 | |
500%定伸應(yīng)力，MPa | 2-7 | |
扯斷伸長率，≥% | 850 | |
揮發(fā)份，≤% | 1.5 | |
灰分，≤% | 1.5 | |
包裝：牛皮紙聚丙烯復合袋，凈重25kg/袋。
儲存：自生產(chǎn)之日起，20℃以下，儲存期為-年，20~30℃以下，儲存期為半年。
Polychloroprene Rubber DCR114
Description：A sulfur-modified copolymer of chloro-butadiene and dichloro-butadiene,with excellent anti-crystallization performance and good molding adhesion.It is the preferred choice for high strength dynamic products and has better cold resistance.It is similar to Du Pont’s neoprene GRT and Denka’s PS-40.
Application：For making transmission belts such as timing belts, ribbed belts, etc.
Product Standard：Q/CHJT.J03.03.02-2019
Specification:
Item | Index | |
Mooney Viscosity | DCR1141 | DCR1142 |
30-45 | 46-60 | |
Mooney Scorch(MSt5, min) | 25 | |
Tensile strength，≥MPa | 23 | |
Modulus at 500%， MPa | 2-7 | |
Elongationat break，≥% | 850 | |
Volatile matter，≤% | 1.5 | |
Ash content，≤% | 1.5 | |
Appearance | light brown chips | |
Packing: Packed in compound bags of kraft and polypropylene, 25kg net each.
Shelf Life: One year below 20°C and half a year between 20~30°C
from the date of production.
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