MDI prepolimeri
qattiqlik: qirg'oq A 75A - qirg'oq A 95A
Mahsulot yaxshi aşınma qarshilik, chidamlilik va mukammal mexanik xususiyatlar xususiyatlariga ega.
Kauchuk g'ildiraklar, elak plitalari va muhrlangan halqalar kabi turli xil poliuretan elastomer mahsulotlarini ishlab chiqarish uchun ishlatiladi.
Model
| D2560 | D2575 | D2590 | D3565 | D3575 | D3590 |
NCO/% | 6,0±0,2 | 7,5±0,2 | 9,0±0,2 | 6,5±0,2 | 7,5±0,2 | 9,0±0,2 |
20 ℃ holatida | PTMG tizimi, oq rangli | Polyester tizimi, oq rangli | ||||
BDO100 g Prepolimer / g | 6.1 | 7.8 | 9.3 | 6.8 | 7.8 | 9.3 |
Yopishqoqlik (85℃)/mPa·s | 1400 | 1000 | 750 | 1400 | 1200 | 1000 |
Aralash harorati /℃( Prepolimer /1,4BD) | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 |
Jel vaqti / min | 10 | 8 | 7 | 10 | 8 | 7 |
Vulkanizatsiyadan keyingi vaqt (110 ℃) / soat | 48 | 48 | 48 | 48 | 48 | 48 |
Qattiqlik (Shore A) | 87±2 | 90±2 | 95±2 | 85±2 | 90±2 | 95±2 |
100% modul/MPa | 6 | 9.2 | 12.6 | 5 | 8.6 | 12.3 |
300% modul / MPa | 17 | 16.6 | 18.9 | 10 | 19.7 | 29.1 |
Kuchlanish kuchi / MPa | 44 | 43 | 45 | 50 | 46 | 55 |
Cho'zilish / % | 472 | 683 | 500 | 540 | 580 | 530 |
Yırtilish kuchi / (KN / m) | 75 | 110 | 130 | 82 | 117 | 132 |
Qaytish / % | 61 | 64 | 55 | 43 | 35 | 39 |
Zichlik (24℃)/(g/sm3) | 1.11 | 1.11 | 1.12 | 1.23 | 1.26 | 1.24 |
Kiyinish / mm³ | 36 | 44 | 44 | 32 | 35 | 38 |
Xabaringizni shu yerga yozing va bizga yuboring