We know that there are two types of flat sealant: flat anaerobic sealant and flat silicone rubber sealant, so let the small edition of Bonte sealing take you to understand the difference between the two?
In order to manufacture, assembly, transportation needs to divide a whole into two parts, the joint part is the plane, the plane should be sealed and leakproof. It is important to know that even if the machining is more precise, the finish and flatness cause impossible 100% contact (25% ~ 35% at most). Processing tool marks will form leakage channels, the use of temperature, medium pressure, external force, vibration caused by plane deformation and leakage. Sealing should be 100% "anastomosis", at this time we will use the plane sealant, to achieve no gap connection, precision match.
Bunte plane sealant is commonly used in anaerobic rubber, silicone rubber two kinds, then the two kinds of plane sealant how to choose? Reference to the following factors:
Guangyan Bunte flat sealing anaerobic rubber and Guangyan silicone rubber how to choose?
First, consider the curing mechanism:
1, Bunte anaerobic sealant, contact with metal ions, isolation air curing.
2, Bunte silicone rubber sealant, liquid silicone rubber + moisture, room temperature curing.
Two, considering the gap size and processing mode Bunte flat sealing anaerobic rubber, suitable for small gap (≤0.25mm) sealing, machining;
General flat sealing silicone rubber, suitable for large gap sealing, the best sealing gap ≤2.5mm(6mm curing time is long), machined or non-machined.
Three, consider the sealing surface width
Wide-developed plane sealing anaerobic adhesive, sealing surface width (≥5mm), can not be too narrow;
Guangyan plane sealing silicone rubber, sealing surface narrow (≤ 5mm), both wide and narrow.
Iv. Consider structural rigidity
Guangyan plane sealing anaerobic rubber structure rigidity is good, suitable for good rigidity castings;
General research plane seal silicone rubber structure rigidity is poor, casting, stamping parts can be.
Five, consider the sealing capacity
The sealing capacity of the anaerobic rubber is high, and the hydraulic device and sealing lubricating oil can be used.
Guangyan silicone rubber sealing ability is low, sealing lubricating oil, its immediate sealing ability is better than anaerobic rubber.
Vi. Consider disassembly and removal
Compared with wide adhesive silicone rubber, it is relatively difficult to disassemble and remove, but when the application area of silicone rubber is large (oil pan), it is more difficult to disassemble than anaerobic rubber.