681 yog orthophalhalic unsaturated polyester resin, kev ua tau ruaj khov, ua tau zoo, ua haujlwm siab tshaj plaws ua chaw thau khoom. Pultruded tus pas nrig yog tsuas yog siv rau txaj nets, txau thiab lwm yam ntawm cov iav fiber ntau ntxiv, rub tawm nrawm nrawm. Pultruded pas nrig yog tsuas yog siv rau txaj nets, tsuag bar thiab twj txhais tes thiab lwm yam cuam tshuam.
| Kev ntsuas tshuaj rau cov kua resin |
| Yam | Ib yam | Tus nqi | Lub hom phiaj |
| Kev tshwm sim | | Pob tshab viscous kua | |
| Tus Nqi Acid | mgkoh / g | 16-22 | GB2895 |
| Viscosity (25 ℃) | Mpa.s | 420-680 | GB7193 |
| Gel lub sij hawm | lub min | 6-10 | GB7193 |
| Tsis yog volatile | % | 63-69 | GB7193 |
| Thermal ruaj khov (80 ℃) | h | ≥24 | GB7193 |
| NCO TSEG: GEL LUB SIJ HAWM YOG 25 ° C; hauv cua da dej; 0.5 ml cobalt Isocaprylate daws teeb meem thiab 0.5ml mekp daws tau ntxiv rau hauv 50 g resin |
Zoo impregnated ntawm iav fiber ntau ntxiv, rub tawm nrawm nrawm nrawm. Pultruded pas nrig yog tsuas yog siv rau lub txaj nets, tsuag bar thiab twj txhais tes thiab lwm cov khoom lag luam.
| Kev qhia tshwj xeeb rau cov khoom siv lub cev |
| Yam | Ib yam | Tus nqi | Lub hom phiaj |
| Barcol hardness ≥ | Rab ciaj | 38 | GB3854 |
| Lub zog tensile ≥ | MPa | 55 | GB2567 |
| Elongation thaum so ≥ | % | 5.0 | GB2567 |
| Lub zog Fajliab ≥ | MPa | 73 | GB2567 |
| Yam cuam tshuam hulk ≥ | KJ / M2 | 10 | GB2567 |
| Thaum tshav kub kub deflection kub (hdt) ≥ | ℃ | 70 | GB1634.2 |
| NCO TSEG: Ib puag ncig kub rau kev sim: 23 ± 2 ° C; Tus txheeb ze cov av noo: 50 ± 5% |
