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american
gas & chemical co. ltd.
D E T E C T I O N
T E C H N O L O G Y |
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How to
Use Flaw Finder Inspection Penetrants |
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WATER
WASHABLE PENETRANT TEST |
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1. |
Clean parts by washing, degreasing or etching. Dry |
2. |
Apply inspection penetrant to the dry surface to be inspected |
3. |
Remove Penetrant with Water |
4. |
Apply developer (dry, water based or solvent based) |
5. |
Inspect (Visible or black light depending upon penetrant type) |
6. |
Final Cleaning |
POST EMULSIFICATION PENETRANT TEST |
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1. |
Surface preparation, properly clean & dry |
2. |
Apply inspection penetrant |
3. |
Apply emulsifier on top of penetrant |
4. |
Surface penetrant is emulsified |
5. |
Remove emulsified penetrant with water spray |
6. |
Apply developer to draw penetrant out of discontinuity |
7. |
Black light causes indications to fluoresce when viewed in the dark |
8. |
Final cleaning to remove penetrant, emulsifier and developer |
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RECOMMENDED
FLUORESCENT (TYPE I) PENETRANT APPLICATIONS
Sensitivity Level |
Method |
Remover |
Developer |
Recommended
Applications/
Materials |
1
Low |
A Water Washable |
Water |
a - dry powder
b - water soluable
c - water suspendable |
Aluminum, magnesium & sheet castings, except precision
die castings |
2
Medium |
A Water Washable |
Water |
a - dry powder
b - water soluable
c - water suspendable
d - nonaqueous |
All other parts except fracture &
durability critical parts, super alloys, liquid oxygen compatible parts & machined
forgings |
B or D
Post Emulsified |
Hydrophilic
Lipophilic |
C Solvent Removable |
Solvent |
d - nonaqueous |
3
High |
A Water Washable |
Water |
a - dry powder |
Special applications including fracture and durability testing
of critical parts, liquid oxygen compatible parts & materials & machined forgings |
B or D
Post Emulsified |
Hydrophilic
Lipophilic |
a - dry powder
b - water soluable |
C Solvent Removable |
Solvent |
d - nonaqueous |
4
Ultra-High |
A Water Washable |
Water |
b - water soluable
c - water suspendable
d - nonaqueous |
Fracture & durability testing of critical parts, super
alloys & machined forgings |
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Copyright ©2023 American Gas & Chemical Co. Ltd., 220 Pegasus Avenue, Northvale, N.J. 07647-1977, U.S.A. 1-800-288-3647 or 1-201-767-7300 * fax: 201-767-1741 * purchase products from: https://detectorbuy.com |