MDI Prepolymer
hamafin'ny: morontsiraka A 75A - morontsiraka A 95A
Ny vokatra dia manana toetra mampiavaka ny fanoherana tsara, ny faharetana ary ny toetra mekanika tsara.
Ampiasaina amin'ny fanamboarana vokatra polyurethane elastomer isan-karazany toy ny kodiarana fingotra, takelaka sivana ary peratra famehezana.
MODELY
| 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 |
Fanjakana amin'ny 20 ℃ | PTMG rafitra, fotsy mafy | Polyester rafitra, fotsy mafy | ||||
BDO100g Prepolymer / g | 6.1 | 7.8 | 9.3 | 6.8 | 7.8 | 9.3 |
Viscosité (85 ℃)/mPa·s | 1400 | 1000 | 750 | 1400 | 1200 | 1000 |
Fampifangaroana mari-pana / ℃( Prepolymer/1,4BD) | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 |
Ora gel / min | 10 | 8 | 7 | 10 | 8 | 7 |
Fotoana aorian'ny vulcanization (110 ℃) / h | 48 | 48 | 48 | 48 | 48 | 48 |
Hardness (Shore 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 |
Herin'ny tensile / MPa | 44 | 43 | 45 | 50 | 46 | 55 |
Elongation / % | 472 | 683 | 500 | 540 | 580 | 530 |
Herin-dranomaso / (KN/m) | 75 | 110 | 130 | 82 | 117 | 132 |
Miverina / % | 61 | 64 | 55 | 43 | 35 | 39 |
Haavo (24 ℃)/(g/cm3) | 1.11 | 1.11 | 1.12 | 1.23 | 1.26 | 1.24 |
Din akanjo / mm³ | 36 | 44 | 44 | 32 | 35 | 38 |
Soraty eto ny hafatrao ary alefaso aminay