Technical Information Calcolo della quantità di reticolante POLURCAST POLYESTER-TDI PET 80A-01 PET 85A-01 PET 88A-01 POLURCAST POLYETHER-TDI PET 90A-01 PET 95A-01 Typical Prepolymer Properties %NCO Brookflied Viscosity @70°C, cp Specific gravity, g/cm3 @90°C/194°F Per calcolare la quantità necessaria di reticolante per qualsiasi POLURCAST, utilizzare la seguente formula: (%NCO) * (peso eq.reticolante) * (%teorica) PE 80A-01 PE 90A-01 PE 95A-01 PE 60D-01 PE 70D-01 PE 75D-01 %NCO 2,7 - 3,1 4,3 - 4,7 5,8 - 6,2 7,0 - 7,4 8,2 - 8,6 8,8 - 9,2 Brookflied Viscosity @70°C, cp 700 - 900 250 - 450 250 - 450 300 - 500 350 - 550 300-500 1,03 1,03 1,07 1,05 1,06 1,10 2,7 - 3,1 3,3 - 3,7 3,7 - 4,1 3,7 - 4,1 5,2 - 5,6 2400 - 3000 2400 - 3000 1750 - 2050 1800 - 2100 1500 - 1700 1,18 1,19 1,19 1,19 1,19 Specific gravity, g/cm3 (70°C/158°F) 90/194 90/194 90/194 90/194 90/194 POLURCAST, °C/°F 90/194 90/194 90/194 90/194 90/194 90/194 MBOCA, °C/°F 115/239 115/239 115/239 115/239 115/239 MBOCA, °C/°F 115/239 115/239 115/239 115/239 115/239 115/239 Mold, °C/°F 100/212 100/212 100/212 100/212 100/212 Mold, °C/°F 100/212 100/212 100/212 100/212 100/212 100/212 95% (8,76g) 95% (10,57g) 95% (11,78g) 95% (11,78g) 95% (16,30g) 95% (9,02g) 95% (13,60g) 95% (18,30g) 95% (21,75g) 95% (25,38g) 95% (27,20g) 15 11 10 9 7 17 12 7,5 5,3 5 3,5 Cure Time, min @°C/°F 37 @100/212 35 @100/212 35 @100/212 33 @100/212 30 @100/212 Cure Time, min @°C/°F 50 @100/212 35 @100/212 25 @100/212 19 @100/212 20 @100/212 16 @100/212 Post Cure, h @°C/°F 16 @100/212 16 @100/212 16 @100/212 16 @100/212 16 @100/212 Post Cure, h @°C/°F 16 @100/212 16 @100/212 16 @100/212 16 @100/212 16 @100/212 16 @100/212 80-84 90 - 93 95 - 97 58 - 62 70 - 73 73 -75 Typical Physical Properties HARDNESS, Shore POLURCAST PE 95A-01 NCO = 6% Reticolante = MBOCA peso eq. = 133.5 % teorica = 95% % Theory (g MBOCA) Pot Life, min Typical Physical Properties = 4201 18.11 parti di MBOCA per 100 parti di POLURCAST 1,3 Propanediolo 1,4 Butanediolo 1,6 Hexanediolo DEG 38 45 59 53 DETDA DMTTDA HQEE MBOCA 89 107 99 133,5 M-CDEA PDEA TIPA TMP 188,6 90,6 63,7 44,7 Prodotti Free Monomer - No Label I POLURCAST sono prepolimeri isocianici con una percentuale di monomero isocianico libero inferiore a 0.1%. In accordo alle normative Europee, questo permette di eliminare qualsiasi simbolo di pericolo dall’etichetta. 78 - 82 83 -87 86 - 90 88 - 92 93 - 97 Tensile Strenght, MPa 38 48 45 45 48 Tensile Strenght, MPa 23 46 30 58 50 52 Elongation at break, % 860 800 500 500 460 Elongation at break, % 500 430 320 530 220 250 To calculate the desired amount of any curative for any POLURCAST, the following formula may be used: 100% Modulus, MPa 3,6 6,6 7,0 7,2 12 100% Modulus, MPa 5,1 9,4 13 19 40 36 (%NCO) * (eq. wt. curative) * (%theory) 200% Modulus, MPa 4,1 8,5 9,4 10 15 200% Modulus, MPa 6,6 11 17 26 45 45 300% Modulus, MPa 5,7 11 14 16 21 300% Modulus, MPa 8,7 15 26 35 - - Taber TEST (H18) 1000 cycles, mg 10 3,2 4,8 4,9 3,8 Taber TEST (H18) 1000 cycles, mg 3,8 2 4,5 1,5 - - Taber TEST (H22) 2000 cycles, mg 4,5 2,8 3,2 3,2 2,6 Taber TEST (H22) 2000 cycles, mg 2,5 2 8 1,2 - - Comp. set, % (70°C-22h) 39 36 36 36 32 Comp. set, % (70°C-22h) 40 35 38 34 - - Bashore Rebound, % 38 30 40 35 28 Bashore Rebound, % 50 50 42 41 - - 1,26 1,26 1,26 1,26 1,28 1,05 1,09 1,11 1,15 1,20 1,20 Specific gravity, g/cm3 HARDNESS, Shore (%NCO) * (133.5) * (95) Pesi Equivalenti di alcuni reticolanti tipici Typical Process Conditions POLURCAST, °C/°F Pot Life, min Esempio: Typical Prepolymer Properties Typical Process Conditions % Theory (g MBOCA) = 4201 Quantità di reticolante per 100 parti di POLURCAST Specific gravity, g/cm3 Calculation for the Amount of curative = Example: 4201 Amount of curative per 100 parts of POLURCAST POLURCAST PE 95A-01 NCO = 6% Curative = MBOCA eq.wt = 133.5 % theory = 95% (%NCO) * (133.5) * (95) 4201 = 18.11 parts of MBOCA per 100 parts of POLURCAST Equivalent weights of some typical curatives N l e b o la N l e b o la 1,3 Propanediol 1,4 Butanediol 1,6 Hexanediol DEG 38 45 59 53 DETDA DMTTDA HQEE MBOCA 89 107 99 133,5 M-CDEA PDEA TIPA TMP 188,6 90,6 63,7 44,7 Free Monomer Products - No Label POLURCAST are isocyanate terminated prepolymers with a percentage of isocyanic free monomer lower than 0.1%. This allows to remove any kind of dangerous symbol on the label, otherwise obligatory according the strict European rules. Datas are not binding. We reserve the right to change data without notice. SA04 IT 1013 100 Cernusco sul Naviglio - Italy t s a c r u l o San Cipriano Po - Italy Zhuhai - Cina P SAPICI SpA Via Bergamo 2 20063 Cernusco sul Naviglio (MI) - Italy Tel 02921871 - Fax 0292141949 [email protected] www.sapici.it H I G H P E R F O R M A C E P O L Y M E R S T E C H N O L O G Y
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