Negative pressure ball and balloon
product details
Features:
- Solid silicone rubber and liquid silicone rubber have the characteristics of high transparency, excellent performance, yellowing resistance, aging resistance, stable pressure, etc., and can be used for a long time at -40°C to 200°C;
- At 20°C, the A/B components can be safely operated for 5 days in a sealed state after mixing, and the temperature rise time is shortened.
Application:
- Suitable for medical products such as negative pressure balls and balloons.
| Test items | Testing method | Units |
RH6250-25YH -A/B |
RH6250-40YH -A/B |
RH6250-60YH -A/B |
RH6250-65YH -A/B |
RH6543YH- A/B |
| Exterior | Visually |
/ |
Transparent | Transparent | Transparent | Transparent | Transparent |
| Viscosity |
DIN53019 |
Pa·s |
1200 |
1200 |
2000 |
2000 |
/ |
| Hardness |
GB/T531.1-2008 |
Shore A |
20 |
40 |
57 |
60 |
63 |
| Density |
GB/T533-2008 |
g/cm3 |
1.11 |
1.12 |
1.12 |
1.13 |
1.18 |
| Rebound |
GB/T1681-2009 |
% |
40 |
60 |
60 |
60 |
50 |
| Tensile Strength |
GB/T528-2009 |
M Pa |
8 |
10 |
11 |
11 |
10 |
| Elongation at break |
GB/T528-2009 |
% |
1000 |
600 |
600 |
550 |
600 |
| Tear strength |
GB/T529-2008 |
KN/m |
30 |
25 |
40 |
40 |
60 |
| Tear off permanent deformation |
GB/T528-2009 |
% |
6 |
1.7 |
1.7 |
1.7 |
6 |
| Linear shrinkage |
GB-T14235.4-93 |
% |
2.2 |
2.5 |
2.5 |
2.5 |
3.2 |
| Application field |
/ |
/ |
Liquid silicone rubber , Medical Negative pressure ball and balloon | Solid silicone rubber Negative pressure balloon | |||
Remark:
- Vulcanization conditions: After the Liquid silicone rubber A/B components are mixed evenly at 1:1, 140mm×120mm×2mm mold is molded at 175℃×5min;
- Solid rubber: double two five vulcanization, using 150mm × 140mm mold, 175 ℃ × 5min vulcanization molding
- This data is only a reference value, the performance parameters and molding process of specific materials are provided by our technical department!
Packaging Specifications
- Liquid silicone rubber is suitable for 200Kg/drum and 20Kg/drum, Soild silicone rubber is 20Kg/box
Precautions
- Store at room temperature, store in a dry and ventilated place indoors, avoid direct sunlight, and the storage period is 12 months;
- In the process of storage and use, contact with compounds containing N, P, S, Sn, and Pb will lead to poisoning of the platinum catalyst and affect the vulcanization.
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