PPG Polyurethane Prepolymer for Castbale Elastomer

PPG Polyurethane Prepolymer for Castbale Elastomer Packaging:20kg/drum Delivery time: prompt within one week after confirm  

PPG polyurthane prepolymer for castable elastomer

 PPG Polyurethane PrepolymerApplicationIt applies to make rods, rubble wheel, rolls, sealing ring, screen plate and other polyurethanewares.CharacteristicsThe wares have good abrasive resistance, water resistance, fungus resistance and excellentmechanical property, regulating colors by adding pigment.Operating PointsAfter the performed polymer vacuum degassing in 8085, blending with melted MOCA, vacuumdegassing, pouring, vulcanization moulding. It suits for manual operating and mechanicalmoulding.StorageStore in cool and dry place,If you cant use it up at a time, filling nitrogen and then sealing it.The storage time of original binding is 6 month.Packing 20Kg or 200Kg galvanization iron drum

Type	D1230	D1235	D1245	D1250	D1258
Appearance	Colorless or light yellow viscous liquid
MOCA (g/100g prepolymer)	8.6	10	13	14.5	16.6
Mixing TemperaturePrepolymer/MOCA	85/120	80/120	80/120	80/120	75/120
Gel Timemin	6	5	4	330	3
Demould Timeh/100	1	1	1	1	1
Post VulcanizationTime(h/100)	10	10	10	10	10
Performance of Finished Product
HardnessShore A	72±2	77±2	85±2	90±2	92±2
Tensile Strength (MPa)	20	28	15	30	32
Elongation at Break%	550	500	400	440	440
Tear strengthKN/m	65	70	65	70	70
Rebound%	35	25	20	20	20
Density	1.15

PPG Polyurethane Prepolymer for Castbale Elastomer