UP 5690-W or-K POLYOL | UP 5690 ISOCYANATE | UP 5690 C | MIXED | ||
Ihe mejupụtara | Polyol | Isocyanate | Polyol | ||
Ngwakọta ngwakọta site na ịdị arọ | 100 | 100 | 0-50 | ||
Akụkụ | mmiri mmiri | mmiri mmiri | mmiri mmiri | mmiri mmiri | |
Agba | W= WhiteK= oji | Enweghị agba | Mmiri ara ehi na-acha ọcha | AW/B/C=Ọcha AK/B/C=Oji | |
Viscosity na 23°C (mPa.s) | Ụlọ ọrụ BROOKFIELD LVT | 1000-1500 | 140-180 | 4500-5000 | 500-700 |
Viscosity na 40°C (mPa.s) | Ụlọ ọrụ BROOKFIELD LVT | 400-600 | - | 2300-2500 | 300-500 |
Nnukwu ike ndọda dị na 25°CS nnukwu ike gwọrọ ngwaahịa na 23°C | ISO 1675:1975 ISO 2781 :1988 | 1.06- | 1.15- | 1.06- | -1.13 |
Ndụ ite na 25 ° C na 100 g (min) | 10-15 | ||||
Ndụ ite na 40 ° C na 100 g (min) | 5-7 |
ỌNỌDỤ Nhazi (igwe nkedo Vacuum)
• Kpoo ọkụ isocyanate ruo 23 - 30 Celsius ma ọ bụrụ na echekwara ya n'okpuru 20 Celsius.
• Kpoo polyol na akụkụ C ruo 40 Celsius tupu iji ya.Ọ dị mkpa ịkwanye polyol ruo mgbe agba abụọ na akụkụ ahụ ga-abụ otu.
• Tulee ihe ndị ahụ dị ka ngwakọta ngwakọta si dị, tinye isocyanate n'ime iko elu, tinye akụkụ C na polyol na premix.
• Wunye isocyanate n'ime polyol (nwere akụkụ C) na mix maka 1 - 2 nkeji mgbe degassing maka nkeji 10 iche iche.
• Nkedo n'okpuru oghere na silicone ebu na-ekpo ọkụ ruo 70 Celsius.
• Demould mgbe 60 - 90 nkeji na 70 ° C (Ka a na-eji akụkụ C ọzọ, ogologo oge nbibi dị mkpa).
A/B/C | 100/100/0 | 100/100/20 | 100/100/30 | 100/100/50 | ||
Isi ike | ISO 868: 2003 | Shore D | 83 | 80 | 78 | 75 |
Ike ọdụdọ | ISO 527: 1993 | MPa | 35 | 30 | 28 | 25 |
Ike mgbanwe | ISO 178: 2001 | MPa | 50 | 35 | 30 | 20 |
Mgbanwe mgbanwe | ISO 178: 2001 | MPa | 1300 | 1000 | 900 | 600 |
Elongation na ezumike | ISO 527: 1993 | % | 50 | 60 | 65 | 90 |
Ike mmetụta(CHAPY) Achọpụtaghị ya ụdị | ISO 179/2D: 1994 | KJ/m2 | 100 | 90 | 85 | 75 |
A/B/C | 100/100/0 | 100/100/20 | 100/100/30 | 100/100/50 | ||
Ọnọdụ mgbanwe iko (Tg) | (1) | Celsius C | 85 | 78 | 75 | 65 |
Mbelata nke ahịrị | % | 0.35 | 0.35 | 0.35 | 0.35 | |
Ogologo oge (2-3mm) na 70 Celsius C | min | 60-90 |
Nkezi ụkpụrụ nwetara on ọkọlọtọ ụdị / Na-emesi ike 16hr at 80°C emechaa na-akụda mmụọ.
Ijikwa kpachara anya
Ekwesịrị ịkpachara anya maka ahụike na nchekwa nkịtị mgbe ị na-eji ngwaahịa ndị a:
Gbaa mbọ hụ na ikuku ikuku dị mma
Yiri uwe aka, enyo nchekwa na uwe nchebe.
Maka ozi ndị ọzọ, biko gaa na mpempe data nchekwa ngwaahịa.
Ọnọdụ Nchekwa
Ndụ nchekwa bụ ọnwa 6 n'ebe kpọrọ nkụ na n'ime akpa ndị a na-emegheghị na mbụ na okpomọkụ n'etiti 15 na 25 Celsius C. Enwere ike imechi oghere ọ bụla n'okpuru blanketị nitrogen.