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Metton LMR M1534 Liquid Molding Resin

Category Polymer , Thermoset , Polydicyclopentadiene (PDCPD)
Manufacturer Metton
Trade Name LMR
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Different product numbers represent different formulations for customer specific needs such as liquid freezing point. Metton LMR is a tough and durable engineering plastic material used to produce large or thick molded parts for many diversified applications. The Metton LMR reaction injection molding process can provide large parts in low pressure molds with the mechanical property performance similar to injection molded engineering thermoplastics. The combination of Metton LMR’s process and material capabilities result in a new design freedom for replacing traditional materials such as metal, wood and fiberglass.Injection molded engineering thermoplastics have a similar benefit package for smaller parts. Small parts for Metton LMR are in the 8 to 10 ft² (1 m²) range which is the upper end for cost and size capability for standard injection molding. In addition, Metton LMR parts do not require identical part geometry for multi-cavity molds.Metton LMR is a family of lightly cross linked olefinic thermoset polymers based on polydicyclopentadiene (PDCPD) with mechanical property performance attributes similar to engineering thermoplastics. In the Metton LMR molding process, two low - viscosity DCPD liquid streams - one containing an activator (A Component) and the other a catalyst (B Component) - are impingement mixed at a 1:1 ratio and injected at near room temperature into a closed mold. The resulting exothermic reaction (heat generating) creates a fully polymerized part in less than 60 seconds. Button to button cycle times are generally 4 to 6 minutes depending upon size and geometry
Physical Properties Metric English Comments
Density 1.034 g/cc
0.03736 lb/in³
ASTM D792
Water Absorption 0.12 %
0.12 %
24 hrs; ASTM D570
Linear Mold Shrinkage 0.0090 cm/cm
0.0090 in/in
Mechanical Properties Metric English Comments
Hardness, Rockwell R 114
114
ASTM D785
Tensile Strength, Yield 46.8 MPa
6790 psi
ASTM D638
Elongation at Yield 4.7 %
4.7 %
ASTM D638
Tensile Modulus 1.90 GPa
276 ksi
ASTM D638
Flexural Yield Strength 70.0 MPa
10200 psi
5% strain; ASTM D790
Flexural Modulus 1.88 GPa
273 ksi
ASTM D790
Compressive Yield Strength 58.4 MPa
8470 psi
ASTM D695
Poissons Ratio 0.39
0.39
Shear Modulus 0.683 GPa
99.1 ksi
Calculated
Shear Strength 49.5 MPa
7180 psi
ASTM D732
Izod Impact, Notched 4.60 J/cm
8.62 ft-lb/in
ASTM D256
1.06 J/cm

@Temperature -40.0 °C
1.99 ft-lb/in

@Temperature -40.0 °F
Thermal Properties Metric English Comments
CTE, linear 87.8 µm/m-°C

@Temperature 0.000 - 50.0 °C
48.8 µin/in-°F

@Temperature 32.0 - 122 °F
ASTM E831
Deflection Temperature at 1.8 MPa (264 psi) 108 °C

@Thickness 3.17 mm
226 °F

@Thickness 0.125 in
ASTM D648
Glass Transition Temp, Tg >= 138 °C
>= 280 °F
DMA
Flammability, UL94 HB

@Thickness 5.50 mm
HB

@Thickness 0.217 in
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