vaccum casting clear parts
vaccum casting clear parts vaccum casting
Adhibition
VACUUM INJECTION POLYURETHANE RESIN FOR MAKING HIGH TEMPERATURE RESISTANT PROTOTYPE PARTS
Characteristic
•Good refractory
•simplicity of operator
•Easy coloring •High replication accuracy
operational process(Use a vacuum casting machine）
>After stirring, tilt the cup and defoaming for 1-2 minutes;
>Put stingy, pour the material into the preheated 50-60° C silicone mold;
>Put the mold into the oven at 70° C to cure for 60 minutes and then release the mold.
Dongguan zhongda model technology co., LTD. New research and development of a new type of transparent plastic model, is in hot sale, the following pictures, please look forward to the next exciting.
Adhibition
VACUUM INJECTION POLYURETHANE RESIN FOR MAKING HIGH TEMPERATURE RESISTANT PROTOTYPE PARTS
Characteristic
•Good refractory
•simplicity of operator
•Easy coloring •High replication accuracy
| physical performance | |||
| ingredient | UP 6160-LSPOLYOL | UP 6160-LISOCYANATE | MDS |
| polyhydric alcohols | isocyanate | ||
| 重量混合比 | 100 | 200 | |
| appearance | liquid state | liquid state | liquid state |
| colour | faint yellow | colourless | faint yellow |
| appearance | liquid state | liquid state | liquid state |
| Brockfield has a viscosity of 23℃(mPa.s) | 300-400 | 200-300 | 200-300 |
| Density is zero before mixing 25℃ (g/cm)After curing, the density is at 23℃ (g/cm3) | 0.96-1.01 | 1.20-1.23 | 1.2 |
| operable time (100g)于20-25℃ (minute） | 6.8 | ||
operational process(Use a vacuum casting machine）
>Weigh the two components according to the ratio，Place the isocyanate component in the top cup;
>After 5-10 minutes of defoaming in vacuum injection machine，Pour the isocyanate into the polyol and stir for 1 minute.>After stirring, tilt the cup and defoaming for 1-2 minutes;
>Put stingy, pour the material into the preheated 50-60° C silicone mold;
>Put the mold into the oven at 70° C to cure for 60 minutes and then release the mold.
| Mechanical properties - at 23 ° C (1) | ||
| hardness | Shore D | 80-81 |
| Modulus of elasticity in bending | MPa | 2100-2200 |
| Bending strength | MPa | 108- 128 |
| tensile strength | MPa | 59-69 |
| And elongation at fracture | % | 15-16 |
| Impact strength (1ZOD) notch specimen | J/M | 34-44 |
Dongguan zhongda model technology co., LTD. New research and development of a new type of transparent plastic model, is in hot sale, the following pictures, please look forward to the next exciting.
