3M 5491

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Description for 3M 5491

Tape has a film backing with a silicone adhesive.

Chemical Resistance	Excellent
Application Type	Bond, Mask, Sealing
1 Part or 2 Part	1-Part
Material Form	Tape
Substrate	Steel
Industry	Machinery
Manufacturer	3M
Chemistry	Extruded PTFE (polytetrafluoroethylene), Silicone
Cure Method	Pressure Sensitive
Color	Gray
High Temperature Resistance (°C)	260
Low Temperature Resistance (°C)	-54
Other Resistance	organic resistance

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Chemical Resistance
- Chemical Resistance - Excellent
Application Type
- Adhesive - Bond
- Masking - Mask
- Sealant - Sealing
1 Part or 2 Part
- 1-Part
Material Form
- Tape
Substrate
- Steel
- Other - Non-stick surface, a variety of substrates
Industry
- Industrial - Equipment
- Machinery
- Other - Easy-release surface on rollers, plates, belts, etc. where build-up of sticky materials and inks can occur., Low coefficient of friction surface on rollers, formers, etc. to facilitate web movement., Chemical resistant surface for sealing and masking., Wrapping rubber nip rollers on hot polyethylene extrusion machines, Roll-wrap lay flat applications, Mold release for composite or metal bonding.
Chemistry
- Other - Extruded PTFE (polytetrafluoroethylene)
- Silicone
Application Method
- Roll - Wrapping rubber nip rollers
- Contact
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Gray

General Bond Strength (psi)	35 (oz./in.)	Test Method
Tensile Strength (psi)	42 (lbs./in.)	Test Method

High Temperature Resistance (°C)	260
Low Temperature Resistance (°C)	-54
Other Resistance	organic resistance

Elongation (%)	260	Test Method

Shelf Life Details	Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original carton.;To obtain best performance, use this product within 24 months from date of manufacture.
Shelf Life Type	From date of manufacture
Shelf Life (mon)	24

Don't Use For	applications requiring organic resistance