Friday, July 1, 2011

leak sealing

Leak Sealing Sealant / Sealing Compound Only Patent Formula In China And Enjoys a Good Reputation,Leak Sealing Sealant
Model and Application Scope of Sealant (Leak Sealing Sealant / Sealing Compound)

Model
Application Scope

Storage Conditions

Specification (mm)
Applicable Medium
System Temperature
(
o
C )
TXY-3 #
Water, vapor, acid, (acetic acid99%, muriatic acid, vitriol) alkali, ester, ketone, alcohol, oxygen, etc.
80 ~ 350
Sealed under normal temperature

21 × 90
TXY-8 #
benzene and other strong soluble chemical gas, liquid and oil


-195 ~ 260

Sealed under normal temperature

21 × 90
TXY-16 #
oils, (high-temperature oil, petroleum, naphtha, sucking oil, diesel oil, transformer oil) high-temperature water, steam, alkali, muriatic acid, acetic acid(99%), alcohol, ketone, terphenyl, formaldehyde, ether and acetone


< 680


Ditto

21 × 90
TXY-18 #
(general)
Water, steam, air, oxygen, hydrogen, ammonia, coal gas, strong alkali, acetic acid, terphenyl, formaldehyde, ether, acetone, ester, oils (coal gas, petroleum, diesel oil, transformer oil, naphtha, sucking oil, heavy oil, etc.) muriatic acid, weak vitriol, superalkali, ammonia, etc.


80 ~ 800


Ditto


21 × 90


TXY-18A #

Water, steam, air, oxygen, hydrogen, ammonia, coal gas, strong alkali, acetic acid, terphenyl, formaldehyde, ether, acetone, ester, oils (coal gas, petroleum, diesel oil, transformer oil, naphtha, sucking oil, heavy oil, etc.) muriatic acid, weak vitriol, superalkali, ammonia, etc.

150 ~ 900

Ditto


21 × 90

TXY-20 #


Fume, activator, ethane, and other special mediums
80 ~ 720
Ditto

21 × 90
2. Main performance of the sealant
After being pressed, the sealant could endure enough sealing specific pressure.
(4) Basic solidifying duration
(1) Temperature-resistant performance, pressure-proof capacity, and basic solidifying duration
In certain time and under certain temperature, the sealant maintain the stable intensity and elasticity.
(2) Medium-resistant performance
It refers that the sealant is, after contacting the medium for a long time, able to resist swelling and solvency.
(3) Pressure-proof performance
The sealant could, influenced by ambient temperature, shift from the plastic features to the elastomer, which could take some time before forming the tough elastomer.
Ambient temperature and basic solidifying duration of the sealant

Model of sealant
Ambient temperature (
o
C )
150
200
250
300
350
Basic solidifying duration (min)
TXY - 16 #
150
63
45
24
15
TXY - 18 #
110
57
25
15
11
TXY - 20 #
90
62
44
18
11
(5) Fluidity of technology
The sealant could, under certain pressure and temperature, become deformed and fill airproof cavity.
Applied Reference
1. When the valve packing box or high-temperature system flange connection gap is small, for sealing of leakage, the TXY-16# sealant should be adopted.
2. The serious leakage parts with high temperature and high pressure should adopt the TXY-18# for sealing, and attention should be paid to the coordination of the drive speed and the solidifying duration.
3. As for the grain or strong sticky medium sealing leakage, the edges should be set for the clamp to prevent the sealing airproof cavity.
4. As for the leakage sealing with high pressure and low temperature, the outer heating method could accelerate the solidification.
5. When the system temperature is lower than 250
o
C , the TXY-18#, TXY-16# or TXY-8# sealant could be adopted to seal the leakage. After the injection is completed, the sealant should be replenished for pressing in the correct order so as to avoid the laxation of stress.

No comments:

Post a Comment