Donspray 504 HFC-245fa base blend polyols
Donspray 504 HFC-245fa base blend polyols
YNLIEDING
DonSpray504 is spray blend polyols, waait agent is 245fa ynstee fan HCFC-141B, dan reageart mei isocyanate te produsearjen foam dat hat poerbêste optredens, dy't binne as folget,
1) fine en uniformiteit sellen
2) leech termyske conductivity
3) perfekt flamme resistance
4) goed leech-temperatuer dimensionale stabiliteit.
It jildt foar alle soarten fan termyske isolaasje engineering dy't brûkt de spray technology, lykas kâlde keamers, potten, grutskalige liedingen en bou metope ensfh
Physical Property
Ferskining |
Pale giel mei brún taaie liquid |
Hydroxyl Value mgKOH / g |
200-300 |
Dynamyske viscosity (25 ℃) mPa.S |
100-200 |
Spesifike gravity (20 ℃) g / ml |
1.12-1.20 |
Storage temperatuer ℃ |
10-25 |
Storage stabiliteit moanne |
6 |
Oanrekommandearre ratio
Grûnstoffen |
pbw |
DonSpray 504 blend polyols |
100 g |
Isocyanate MDI |
100-105g |
Reaktiviteit Skaaimerken (De temperatuer fan it systeem is 20 ℃, en de krekte wearde fariearde ôfhinklik fan it ferwurkjen betingst)
Cream Time s |
3-5 |
Gel Time s |
6-10 |
FOAM foarstellings
items |
Metric Unit |
Imperial Unit |
||
Spray Befolkingstichtens | GB 6343 | ≥35kg / m 3 | ASTM D 1622 | ≥2.18 lb / FT3 |
Sletten-cell Rate | GB 10799 | ≥90% | ASTM D 1940 | ≥90% |
Initial Thermal Conductivity (15 ℃) | GB 3399 | ≤24mW / (mK) | ASTM C 518 | ≥2.16 / inch |
Compressive Strength | GB / T8813 | ≥150kPa | ASTM D 1621 | ≥21.76PSI |
adhesive Strength | GB / T16777 | ≥120kPa | ASTM D 1623 | ≥17.40PSI |
Dimentional Stability 24h -20 ℃ | GB / T8811 | ≤1% | ASTM D 2126 | ≤1% |
24h 70 ℃ | ≤1.5% | ≤1.5% | ||
water absorption | GB 8810 | ≤3% | ASTM E 96 | ≤3% |
Fire Resistance | GB 8624 | class B2 | ASTM D2863-13 | class B2 |
PAKKET
220kg / drum of 1000kg / IBC, 20,000kg / flexi tank of ISO Tank.