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The staff at The Materials Group has over a century of combined experience in the plastics industry. Our Corporate Office and Distribution Center in Rockford, Mich., consists of a 70,000-sq.-ft. facility that houses our distribution, testing, dry blending and mixing operations. 

As distributors and compounders of plastic resin, our focus is on customer service; our ability to offer quality engineered thermoplastics, compounded materials and recycled resins at competitive prices is second to none.

We are specialists in providing our customers with a wide array of alternatives for their plastic resin needs, all while meeting customer specifications. We also offer technical and consultative support to assist in your operations.

Manufacturers across the U.S. rely on The Materials Group for the engineered thermoplastics and technical consulting they need.

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The Materials Group Opticarb 6085C

The Materials Group Optital 900C

The Materials Group Opticarb 1614R

The Materials Group

The staff at The Materials Group has over a century of combined experience in the plastics industry. Our Corporate Office and Distribution Center in Rockford, Mich., consists of a 70,000-sq.-ft. facil

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The Materials Group Optital 900C is a Polyacetal Copolymer (POM) polymer. It can be processed using injection molding.

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The Materials Group Optital 900C - POM Copolymer - Knowde

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	Value	Units	Test Method / Conditions
Specific Gravity	1.41	—	—
Specific Gravity	1.41	—	ASTM D792
Material Status	Active	—	—
Deflection Temperature Under Load (264 psi, Unannealed)	230	°F	ASTM D648
Deflection Temperature Under Load (66 psi, Unannealed)	316	°F	ASTM D648
Flexural Modulus	337000	psi	ASTM D790
Flexural Strength	13000	psi	ASTM D790
Front Temperature	374	°F	—
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	9	g/10 min	ASTM D1238
Melting Temperature	329	°F	—
Middle Temperature	356	°F	—
Molding Shrinkage - Flow	0.02	in/in	ASTM D955
Notched Izod Impact (0.126 in)	1.2	ft·lb/in	ASTM D256
Nozzle Temperature	356 to 410	°F	—
Processing (Melt) Temp	392	°F	—
Processing Method	Injection Molding	—	—
Rear Temperature	338	°F	—
Tensile Elongation (Break)	60	%	ASTM D638
Tensile Impact Strength	57	ft·lb/in²	ASTM D1822
Tensile Strength	8890	psi	ASTM D638

The Materials Group Optital 900C

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