MDI Prepolymer
maaa: matafaga A 75A - matafaga A 95A
O le oloa o loʻo i ai uiga o le lelei o le faʻaogaina o le ofuina, faʻaleleia ma mea sili ona lelei masini.
Fa'aoga mo le faia o mea eseese polyurethane elastomer e pei o uili pa'u, sieve plates ma fa'amau fa'amau.
|
Fa'ata'ita'iga
| 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 |
| Tulaga ile 20 ℃ | PTMG faiga, pa'epa'e malo | Polyester faiga, pa'epa'e malo | ||||
| BDO100g Prepolymer /g | 6.1 | 7.8 | 9.3 | 6.8 | 7.8 | 9.3 |
| Viscosity (85℃)/mPa·s | 1400 | 1000 | 750 | 1400 | 1200 | 1000 |
| Fa'afefiloi vevela /℃（ Prepolymer/1,4BD） | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 |
| Taimi gel / min | 10 | 8 | 7 | 10 | 8 | 7 |
| Taimi fa'amuta (110℃)/h | 48 | 48 | 48 | 48 | 48 | 48 |
| Ma'a'a(Tagafaga A) | 87±2 | 90±2 | 95±2 | 85±2 | 90±2 | 95±2 |
| 100% Modulus/MPa | 6 | 9.2 | 12.6 | 5 | 8.6 | 12.3 |
| 300% Modulus /MPa | 17 | 16.6 | 18.9 | 10 | 19.7 | 29.1 |
| Malosi fa'amalosi/MPa | 44 | 43 | 45 | 50 | 46 | 55 |
| Fa'atele / % | 472 | 683 | 500 | 540 | 580 | 530 |
| Malosi loimata /（KN/m） | 75 | 110 | 130 | 82 | 117 | 132 |
| Toe fa'afo'i / % | 61 | 64 | 55 | 43 | 35 | 39 |
| Malosi （24℃）/（g/cm3） | 1.11 | 1.11 | 1.12 | 1.23 | 1.26 | 1.24 |
| La'ei fale'ai /mm³ | 36 | 44 | 44 | 32 | 35 | 38 |
Tusi lau savali iinei ma lafo mai ia i matou
