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Comparison of inorganic and organic impregnants


Comparison of Material Characteristics
 
Inorganic Impregnant
(Super Seal BP-3)

Organic Impregnant
(Super Seal P-601)

Primary Content
Sodium Silicate
Methacrylic Acid Ester

Specific Gravity (g/cm3 )

1.40
1.06

Viscosity (cps)

40
6.0 - 6.5
PH
11.0
7.0 (Neutral)
Solids (%)
45% (Undiluted solution)
100%
Flammability
No
Yes

Heat resistance (oC)

650oC
200oC

Low temperature resistance

Water resistance

Chemical resistance

Oil resistance

Resistance to solvents

Gas resistance


Comparison of Processes

 
Inorganic Impregnant
(Super Seal BP-3)
Organic Impregnant
(Super Seal P-601)
Evacuation*
2.7 kPa for 15 min
0 to 0.7 kPa for 10 min
Immersion*
2.5 min
1 min
Pressurization*
0.4 to 0.6 MPa for 15 min
0.4 to 0.6 MPa for 5 min
Re-immersion*
2.5 min
1 min
Draining
----
80 to 100 rpm for 2 min
Washing (1)
10 min
2 min
Washing (2)
10 min
2 min
Hardening
80oC (hot air) for 60 min

90oC (hot water) for 10 min
or
120oC (hot air) for 60 min


* Impregnation task
for 35 min
for 17 min

Comparison of Impregnation Effects
 
Inorganic Impregnant
(Super Seal BP-3)
Organic Impregnant
(Super Seal P-601)
200µ
100µ
  50µ
  10µ

Note: Impregnation effects are affected by object shape and other characteristics.



Comparison of Conditions

 
Inorganic Impregnant
(Super Seal BP-3)
Organic Impregnant
(Super Seal P-601)
Liquid temperature
Heating (30 to 35oC)

Cooling (15oC or below)

Blow-out hazard
Yes
No

Washability

Impregnation object material

AI, Fe, Mg, Cu, Zn
AI, Fe, Mg, Cu
Used water processing
Simple (PH only)

Complex processing (organic decomposition)

Note:
Acrylic organic impregnants cannot be used with zinc alloys. Zinc acts as a reaction initiator for acrylic organic impregnants.

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