KRYSTALFLEX® PE429

Aliphatic polyether-based Thermoplastic Polyurethane

Product Description:

KRYSTALFLEX® PE429 is a polyether-based Themoplastic Polyurethane (TPU) film for glass lamination applications. Key features are excellent hydrolysis and microbial resistance, UV resistance, low hardness and modulus, low warpage, excellent adhesion to acrylic, good low temperature performance, excellent laminated transparency and contains an adhesion promoter.

MAIN APPLICATIONS:

Prison containment glazing, ballistic / blast / intrusion protection, vehicle armoring, retail kiosks, hurricane / vandal glazing and liquid crystal laminates.

Details

Feb/9/2023 - Lidina - Updating physical properties only, due to some differences noticed by customer.

ASTM

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	61	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	18	Shore D
Density	M	ASTM D 792	1.05	g/cm³
Tensile strength	E	ASTM D 412	3780	psi
Elongation @ break	E	ASTM D 412	600	%
Tensile stress @ 50% elongation	E	ASTM D 412	280	psi
Tensile stress @ 100% elongation	E	ASTM D 412	450	psi
Tensile stress @ 300% elongation	E	ASTM D 412	1010	psi
Tear strength	E	ASTM D 624	290	pli
Flexural modulus @ 23°C	M	ASTM D 790	600	psi
Flexural modulus @ -29°C	M	ASTM D 790	2480	psi
Softening range low	E	Huntsman TMA	87	°C
Softening range high	E	Huntsman TMA	130	°C
Glass transition temperature (DMA)	E	ASTM D 5026	-63	°C
Vicat softening point VST/A120	M	ASTM D 1525	48	°C

M = Injection molded parts to meet DIN & ASTM requirements. Parts at room temperature aged prior to testing.
E = Extruded film cut to ASTM requirements. Parts at room temperature aged prior to testing.

View Pdf-File