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Description for 3M Tamper-Proof Sealant 1252
Fire-retardant seal • Resists oil, gasoline, water, jet fuel and fungus • Will not corrode metal • Tack free in 20 secondsChemical Resistance Fungus, Gasoline, Jet fuel, Oil Application Type Seal 1 Part or 2 Part 1-Part Material Form Liquid Substrate Alclad , Metal, Nitrile, Steel, Brass, Aluminium Industry Electronics, Two Wheel Vehicles Manufacturer 3M Chemistry Nitrile Application Method Knife coating, Trowel Cure Method Air drying Cure Time (min) Fast Viscosity (cPs) 500 to 2,500 Color White Volume Resistivity (O) 1e10 (ohms/cm) -
Technical Data for 3M Tamper-Proof Sealant 1252
Overview
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Chemical Resistance
- Chemical Resistance - Fungus, Gasoline, Jet fuel, Oil
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Application Type
- Sealant - Seal
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1 Part or 2 Part
- 1-Part
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Material Form
- Liquid
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Industry
- Two Wheel Vehicles
- Electronics
- Industrial - Tubes
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Chemistry
- Other - Nitrile
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Application Method
- Dispenser - Application equipment, High pressure injection, Pump
- Roll - Rollercoating
- Spatula/Trowel - Knife coating, Trowel
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Cure Method
- Room Temperature / Air Dry - Air drying
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Color
- White
Specifications
Cure Specs
Cure Time (min) Fast Viscosity (cPs) 500 to 2,500 Test Method Tack Free Time (min) 0.33 Bond Strength
Shear Strength (psi) 173, 164 Test Method Conductivity
Dielectric Strength (V/mil) >100 Test Method Surface Resistivity (O) minimum 1e10 (ohms) Test Method Volume Resistivity (O) 1e10 (ohms/cm) Test Method Hardness
Shore A Hardness 97 to 99 Test Method Other Properties
Flash Point (°F) 24.8 % Solids (%) 61 to 73 Test Method Business Information
Shelf Life Details Storage: Store at 60-80°F (16-27°C) for maximum storage life. Higher temperatures reduce normal storage life. Lower temperatures cause increased viscosity of a temporary nature. Tubes must be stored in an inverted position (tips down). Rotate stock on a “first in-first-out” basis.Shelf Life: When stored in the original unopened container, under the conditions recommended, this product has a shelf life of 9-12 months @ 40°F (4°C). Shelf Life Temperature (°F) 39 Shelf Life (mon) 9 to 12 Unopened Container -
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Best Practices for 3M Tamper-Proof Sealant 1252
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Application
One-part, air drying compound suitable for hand extruding from a collapsible metal tube. Surfaces must be clean, dry and dust free.
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Curing
A 1/8" layer of 3M™ Scotch-Seal Tamper Proof Sealant 1252 is tack-free in 20 seconds and suitable for stamping with ink.
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Clean-Up
Excess sealant may be removed from application equipment with a solvent such as 3M™ Scotch-Grip™ Solvent No. 3 or methyl ethyl ketone (MEK).*
*Note: When using solvents, extinguish all ignition sources, and follow the manufacturer’s precautions and directions for use.
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Viscosity Test Methods
| Viscosity | Test Method | Temperature |
|---|---|---|
| 500 to 2,500 cPs | Brookfield Viscometer: RVF #6 sp. @ 4 rpm @ 77°F 26°C | 26°C |
Shear Strength Test Methods
| Shear Strength | Type | Cure Time | Cure Temperature | Substrate | Test Method |
|---|---|---|---|---|---|
| 173 psi | Overlap Shear Strength | 1,440 min | 25°C | Alclad | Average of 6, 1" x 11/2" overlap – 10 mil thick bond line. Specimens were cured for 24 hours @ 77°F (25°C). |
| 164 psi | Overlap Shear Strength | 1,440 min | 25°C | Steel | Average of 6, 1" x 11/2" overlap – 10 mil thick bond line. Specimens were cured for 24 hours @ 77°F (25°C). |
Dielectric Strength Test Methods
| Dielectric Strength | Test Method |
|---|---|
| >100 V/mil | Fed. Standard #406, Method 4031. |
Surface Resistivity Test Methods
| Surface Resistivity | Test Method |
|---|---|
| minimum 1e10 (ohms) | Fed. Standard #406, Method 4041. |
Volume Resistivity Test Methods
| Volume Resistivity | Test Method |
|---|---|
| 1e10 (ohms/cm) | Fed. Standard #406, Method 4041. |
Shore A Hardness Test Methods
| Shore A Hardness | Shore Hardness Test Method | Hardness Temperature |
|---|---|---|
| 97 to 99 | After 24 hours @ 77°F (25°C), 50% R.H. | 25°C |
% Solids Test Methods
| % Solids | Test Method |
|---|---|
| 61 to 73 % | By weight |
