Silopren® LSR 2750

About
Silopren LSR 2750 TP 3824 is a two-component liquid silicone rubber for injection moulding, which offers primer-less adhesion to a wide range of substrates including metals and engineering plastics, but without adhesion to the mould. Full bond strength is reached after a short post cure (e.g. 1 h at 100°C) or by longer storage at room temperature. This makes Silopren LSR 2750 TP 3824 the optimal choice for cost-efficient manufacturing of high numbers of articles in integrated processes such as multi-component injection moulding or insert-moulding. Key Features and Benefits Primer-less adhesion to many substrates No special mould treatment needed: Final adhesion builds up with time High temperature stability Excellent stability and flexibility at low temperatures Outstanding ageing behavior and weathering resistance Good dielectric and mechanical properties Easy pigmentable due to translucent colour Potential Applications Silopren LSR 2750 TP 3824 is particularly suitable for the manufacturing of parts, where engineering plastics and elastomeric materials need to be combined in an overmoulding or co-moulding process such as sealing elements, automotive connectors, membranes, vibration dampening elements, etc. Parts made from Silopren LSR 2750 TP 3824 can generally be used in technical applications without post-cure, but do not comply with regulations applicable for parts, which are intended for the pharmaceutical or food industry.&&

About

Silopren LSR 2750 TP 3824 is a two-component liquid silicone rubber for injection moulding, which offers primer-less adhesion to a wide range of substrates including metals and engineering plastics, but without adhesion to the mould. Full bond strength is reached after a short post cure (e.g. 1 h at 100°C) or by longer storage at room temperature. This makes Silopren LSR 2750 TP 3824 the optimal choice for cost-efficient manufacturing of high numbers of articles in integrated processes such as multi-component injection moulding or insert-moulding. Key Features and Benefits Primer-less adhesion to many substrates No special mould treatment needed: Final adhesion builds up with time High temperature stability Excellent stability and flexibility at low temperatures Outstanding ageing behavior and weathering resistance Good dielectric and mechanical properties Easy pigmentable due to translucent colour Potential Applications Silopren LSR 2750 TP 3824 is particularly suitable for the manufacturing of parts, where engineering plastics and elastomeric materials need to be combined in an overmoulding or co-moulding process such as sealing elements, automotive connectors, membranes, vibration dampening elements, etc. Parts made from Silopren LSR 2750 TP 3824 can generally be used in technical applications without post-cure, but do not comply with regulations applicable for parts, which are intended for the pharmaceutical or food industry.&&

Product Description
Supplier	Momentive
Generic	硅橡胶,LSR
Material Status	Commercial: Active
Features	Weather resistance is good,noise reduction,Good bond,Low temperature toughness,Good stability,Heat Stabilized,Good coloring
Availabilitys	Africa & Middle East ,North America,Latin America,Asia Pacific,Europe
Process Methods	Injection Molding

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.12	g/cm³	DIN 53479

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	50		DIN 53505

elastic body	Nominal value	Unit	Test method
tensile strength	9.50	MPa	DIN 53504
Tensile strain
fracture	650	%	DIN 53504
tear strength	30.0	kN/m	ASTM D624

THERMAL	Nominal value	Unit	Test method
Thermosetting components
Component A	按重量计算的混合比: 1.0
Component B	按重量计算的混合比: 1.0

Uncured Properties	Nominal value	Unit	Test method
colour
—	Translucent
—	Translucent
viscosity			DIN 53018
20℃	600	Pa·s	DIN 53018
20℃	600	Pa·s	DIN 53018
Curing time
175℃	0.17	hr
storage stability
20 ℃	4300	min

Notes
1. Typical properties: these are not to be construed as specifications.
2. Die B
3. Part B
4. Part A
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