PBI Performance Products S26 Thermal Resistant Polybenzimidazole Solution

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PBI Performance Products S26 Thermal Resistant Polybenzimidazole Solution
Categories:	Fluid; Polymer; Thermoplastic; Polybenzimidazole (PBI)
Material Notes:	Polybenzimidazole (PBI) solutions are suitable products for film casting, dip coating, spray coating and resin impregnation. PBI can be firmly adhered to steel, stainless steel, aluminum, copper, nickel- chromium, glass, ceramics and plastics. PBI coatings are highly resistant to heat and chemical attack. PBI will provide electrical insulation and wear resistance. S26 is a solution containing nominally 26% w/w PBI solids in conjunction with 1.5% w/w LiCl salt in dimethylacetamide (DMAc) to form a 2100 Poise solution. This grade is easily thinned and can be used for films or coatings. The LiCl stabilizer imparts long shelf life and can be easily removed with an 85°C, 1-hour, aqueous wash of a thin film. Information provided by PBI Performance Products
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Physical Properties	Metric	English	Comments

Solids Content	26.2 %	26.2 %
Water Absorption	0.40 % @Temperature 22.8 °C, Time 86400 sec	0.40 % @Temperature 73.0 °F, Time 24.0 hour	for bulk PBI; ASTM D570
Viscosity	20 cP	20 cP	5% PBI Solids
	200 cP	200 cP	10% PBI Solids
	2000 cP	2000 cP	15% PBI Solids
	17500 cP	17500 cP	20% PBI Solids
	200000 cP	200000 cP	25% PBI Solids
	9000 - 11000 cP @Temperature 100 °C	9000 - 11000 cP @Temperature 212 °F	as supplied S26 solution
	190000 - 230000 cP @Temperature 25.0 °C	190000 - 230000 cP @Temperature 77.0 °F	as supplied S26 solution

Mechanical Properties	Metric	English	Comments
Tensile Strength	160 MPa	23200 psi	for bulk PBI; ASTM D638
Elongation at Break	3.0 %	3.0 %	for bulk PBI
Tensile Modulus	5.90 GPa	856 ksi	for bulk PBI

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.4 @Frequency 1000 Hz	3.4 @Frequency 1000 Hz	for bulk PBI; ASTM D150
Dielectric Strength	23.0 kV/mm	584 kV/in	for bulk PBI; ASTM D149
Dissipation Factor	0.0030 @Frequency 10000 Hz	0.0030 @Frequency 10000 Hz	for bulk PBI; ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	23.0 µm/m-°C @Temperature 25.0 - 150 °C	12.8 µin/in-°F @Temperature 77.0 - 302 °F	for bulk PBI; ASTM TMA
Glass Transition Temp, Tg	427 °C	801 °F	for bulk PBI; ASTM DMA

Processing Properties	Metric	English	Comments
Shelf Life	6.00 Month	6.00 Month

Descriptive Properties
Color	red-brown
LiCl %	1.5
Solvent (DMAc) %	72.3

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