Donpipe 301 mvura chawo sanganisa polyols kuti Mapaipi kuputira
Donpipe 301 mvura chawo sanganisa polyols kuti Mapaipi kuputira
I NTRODUCTION
chigadzirwa ichi mufananidzo sanganisa polyols nemvura sezvo inopupuma mumiriri, iro zvikuru akaongorora kuti vanachandagwinyira PUF kubudisa chafariz pombi kuputira. Vakawanda kushandiswa zvikwepa chiutsi, liquefied zvisikwa gasi kumhanya pombi, mapaipi mafuta nezvimwewo minda. The unhu ndeinotevera:
(1) zvakanaka flowability, kuburikidza yokudzora payakavakirwa huenderane zvakasiyana mutopota diameters.
(2) mukuru tembiricha-nemishonga waivako, refu akamira 150 ℃
(3) kwazvo pasi tembiricha ndeiya yakaita pakusimba
CHAIZVO NDERA
Kutarisika |
Light yero kuti shava segirazi mvura |
Hydroxyl ukoshi mgKOH / d |
250-450 |
Dynamic viscosity (25 ℃) mPa.S |
300-600 |
Density (20 ℃) g / Rine mamiririta |
1.10-1.16 |
Storage tembiricha ℃ |
10-25 |
Storage utsigo mwedzi |
6 |
ZVIGADZIRWA ZVEMAZUVA ANO AND REACTIVITY (tembiricha chinoumba ndiko 20 ℃, chaiko ukoshi iri dzaisiyana maererano nenyere dhayamita uye processing ezvinhu.)
|
Manual vaiitawo |
High kumanikidzwa Machine |
Ratio (POL / ISO) |
1: 1.40-1.1.60 |
1: 1.40-1.60 |
Simuka nguva S |
20-40 |
15-35 |
Gel nguva S |
80-200 |
80-160 |
Chipini vakasununguka nguva S |
≥150 |
≥150 |
Free arambe achirema makirogiramu / m 3 |
34.0-36.0 |
33.0-35.0 |
furo zvesimba
muforoma arambe achirema | GB 6343 | 60-80kg / m 3 |
Closed-sero zvazvingava | GB 10799 |
≥90% |
Thermal conductivity (15 ℃) | GB 3399 |
≤33mW / (Mk) |
Compression simba | GB / T8813 | ≥250kPa |
Absorção de Água | GB 8810 |
≤3 (V / V)% |
Ndeiya yakaita Kugadzikana 24h -30 ℃ | GB / T8811 |
≤1.0% |
24h 100 ℃ |
≤1.5% |
The nemashoko pamusoro anowanzoramba kukosha, ayo kwakaedzwa vekwedu. Kambani vedu zvigadzirwa, humboo zvaisanganisira mutemo vasina constraints.