Polymer Compounding and Color Specialists
Post on 23-Feb-2016
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Polymer Compounding and Color Specialists
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RheTech, Inc. Leading Thermoplastics Compounder
Reinforced Polypropylenes, TPO’s and Polyamides Founded 1969 Privately held; Michigan (Ann Arbor) - based Four manufacturing facilities in Michigan, Ohio and South Carolina
Whitmore Lake, MI – Rhe Tech Inc HQ Fowlerville, MI – Rhe Tech Inc Manufacturing Sandusky, OH – Rhe Tech Colors – RTC Blacksburg, SC – Rhe Tech Engineered Plastics – REP
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RheTech, Inc. Facilities Whitmore Lake, Michigan
RheTech Headquarters Engineering and
Technical Center Specialty Extrusion A2LA Accredited
Laboratory Fowlerville, Michigan
High Volume Output Extrusion
Compounding and Laboratory
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RheVision - Bio Reinforced Polyolefin
Polymer Compounding and Color Specialists
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RheVision Overview RheVision is a family of bio fiber reinforced
polypropylene / polyolefin. Also can add post consumer polyolefin into some
formulations. Product line is not biodegradable. Majority of our bio fibers are true waste products.
They are not grown for us nor do they take away from food production
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RheVision Product Family RheVision
Natural Fiber Families
Coconut Fiber – CF Series – New Industry Flax Fiber – FF Series – Expansion from Existing Industry . Paper Powder – RP & PP – New Industry Rice Hull - RH Series – Extended Industry
ground and unground Walnut Shell – WS Series - Expansion from Existing Industry Wood Fiber – WM & WP Series – Extended Industry WoodForce – WF Series - Expansion from Existing Industry
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RheVision – Green Reinforced Polyolefn Why did we choose these fibers ? Are others available ?
Availability ready to use Others are available but are in a raw state
Offer Repeatable Properties Offer Benefit
Aesthetic Physical Properties Compounds are Lighter Than Traditional Mineral
Reinforced Products
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Key Benefits - RheVision Molding Existing Tools Can Be Used. Materials are medium melt flow
The nature of natural fibers does not give a true reading under typical melt flow conditions.
Establish Melt Flow via Spiral Flow Tool. Mold Cool
No Greater than 400 F Natural fibers will burn.
Overall Shorter cycle times because lower temperatures are used.
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RheVision Automotive Approvals Ford Motor
Released a Worldwide Specification For Rice Hull Filled Grade
Chrysler Corporation Specifications for Wood Filled and Rice Hull
Filled Grades Working with Other OEMs to Develop
Specifications
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RheVision – Automotive Interiors
Polymer Compounding and Color Specialists
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Target Materials / Interior Applications Applications That are Typically in Talc
Reinforced Polypropylene Bins & Glove Box Inner Arm Rest Inserts Visor Cores
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Applicable Natural Fibers Ground Rice Hulls
Physical Attributes Like Ground Minerals Flax Fiber
Strength Ground Coconut Shell
Hardness
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Rice Hulls / Husks13
Flax Fiber14
Ground Coconut ShellCourse Ground Coconut
ShellFine Ground Coconut
Shell
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Natural Fibers with Dow Corning Coupler vs. Filled Polypropylene
Specific Gravity 0.980.99
11.011.021.031.041.051.061.07
20% Talc Filled PP40% Ground Coconut Shell PP*30% Ground Rice Hull30% Flax Fiber
*- Denotes Impact Modified Formula-tion
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Natural Fibers with Dow Corning Coupler vs. Filled Polypropylene
Tensile Strength @ Yield MPa 05
1015202530354045
20% Talc Filled PP40% Ground Coconut Shell PP*30% Ground Rice Hull30% Flax Fiber
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* Denotes impact Modified Formulation
Natural Fibers with Dow Corning Coupler vs. Filled Polypropylene
Flexural Modulus MPa 0
500100015002000250030003500
20% Talc Filled PP40% Ground Coconut Shell PP*30% Ground Rice Hull30% Flax Fiber
* Denotes Impact Modified Formu-lation
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Natural Fibers with Dow Corning Coupler vs. Filled Polypropylene
Notched Izod Kj / M20123456
20% Talc Filled PP40% Ground Coconut Shell PP*30% Ground Rice Hull30% Flax Fiber
* Denotes Impact Modified Formulation
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Natural Fibers with Dow Corning Coupler vs. Filled Polypropylene
HDT .45 Mpa Degrees C 110115120125130135140145150
20% Talc Filled PP40% Ground Coconut Shell PP*30% Ground Rice Hull30% Flax Fiber
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* Denotes Impact Modified Formulation
Natural Fibers with Dow Corning Coupler vs. Filled Polypropylene
Shore D Instant Surface Hardness 62
64
66
68
70
20% Talc Filled PP40% Ground Coconut Shell PP*30% Ground Rice Hull30% Flax Fiber
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* Denotes Impact Modified Formulation
Conclusions Similar Material Performance is Attainable With
Green Renewable Reinforcements v Non Renewable
Lighter Weight Parts Cost Saving Cycle Time Reductions Should be
Attainable No Additional Tooling Cost Dark / Hard Coconut Particle Aid in Scratch
Visibility vs. Lighter Colored Mineral
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Thank You!23
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