3M 433L

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Description for 3M 433L

Aluminum Foil tape with silicone adhesive that can be used in many high temperature applications. Also comes in an easy-release film liner.

Application Type	Bond, Seal
1 Part or 2 Part	1-Part
Material Form	Tape
Substrate	Steel
Industry	Seal for automotive air bag inflators, Missile ground handling equipment, Splice jumbo rolls of aluminum foil or holding the last lap of narrow width rolls in preparation to annealing the rolls., Engine support structures, Splicing on many applications involving high temperatures
Manufacturer	3M
Chemistry	Silicone
Cure Method	Pressure Sensitive
Color	Shiny silver
High Temperature Resistance (°C)	High temp. resistance, 190, 316
Low Temperature Resistance (°C)	-54, -54
Key Specifications	meets requirements of F.A.R. 25.853(a)

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Application Type
- Adhesive - Bond
- Sealant - Seal
1 Part or 2 Part
- 1-Part
Material Form
- Tape
Substrate
- Steel
Industry
- Automotive - Seal for automotive air bag inflators
- Defense - Missile ground handling equipment
- Industrial - To hold insulation on hot air ducts in industry., Good holding on many applications involving high temperatures, Patching on many applications involving high temperatures, General protecting tape on many applications involving high temperatures, Steel mills
- Splicing - Splice jumbo rolls of aluminum foil or holding the last lap of narrow width rolls in preparation to annealing the rolls., Splicing on many applications involving high temperatures
- Engine - Engine support structures
- Other - Cover resistance wire heating elements to distribute the heat., Ideal as a heat reflective wrap along or over insulations, Tubes, Protector from other heat source areas
Chemistry
- Silicone
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Gray - Shiny silver
Key Specifications
- UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - meets requirements of F.A.R. 25.853(a)

General Bond Strength (psi)	38 (oz./in.)	Test Method
Tensile Strength (psi)	20 (lbs./in.)	Test Method

Flame Resistance	Flame resistant
High Temperature Resistance (°C)	High temp. resistance, 190, 316
Low Temperature Resistance (°C)	-54, -54
Moisture/Humidity Resistance	Moisture barrier

Elongation (%)	4	Test Method

Shelf Life Details	Storage: Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original carton.
Shelf Life Temperature (°F)	140 to 176
Shelf Life Type	From date of manufacture
Shelf Life (mon)	18