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Alcryn® ALR-7083NAT
Alcryn® ALR-7083NAT melt-processable rubber reduces die drool due for high-output extrusion due to its special internal lubricant package.
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- Manufacturer: LyondellBasell
- Product Line: LyondellBasell Soft Polymers
- Product: Alcryn® Melt-Processable Rubber
- Industries: Plastics
- Authorized Countries: Canada | United States
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Fulfilled By ChemPoint
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Product Line
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Authorized Countries
Canada
United States
Overview
Alcryn® ALR-7083NAT is still capable of being processed through injection molding techniques, however; this grade performs best for extrusion processes where reduced die drool is critical for thin-wall sections at higher output. Encompasses all the classic Alcryn® properties such as high flexibility, Shore A 61 hardness, ozone resistance, and compression set while offering smoother extrusion benefits and reduced maintenance downtime.
Specifications
Form: Solid granules
Color: NAT – natural Color
Density - Specific Gravity 1.12 g/cm³, ASTM D792
Melt Viscosity, (190 °C, 300 sec^-1) 350 Pa·s, ASTM D3835
Mechanical
Tensile Stress at 100% 2.69 MPa, ASTM D412
Tensile Strength at Break 7.58 MPa, ASTM D412
Tensile Set 8 %, ASTM D412
Clash-Berg Modulus, (-44 °C) 68.9 MPa, ASTM D1043
Tensile Elongation at Break 480 %, ASTM D412
Tear Strength, (24 °C, Die C) 28.0 kN/m, ASTM D624
Hardness
Shore Hardness, (Shore A) 6, ASTM D2240
Compression Set
(24 °C, 22 hr, Method B) 13 % ASTM D395
(70 °C, 22 hr, Method B) 62 % ASTM D395
Primary Chemistry:
Melt Processable Rubber
Features & Benefits
- Internal lubricant package enables cleaner and longer extrusion runs
- Optimized for high-output, thin-wall profiles and complex shapes
- True elastomeric properties for rubber-like feel without vulcanization
- Excellent environmental resistance to ozone, UV, chemical or oil
- Reliable performance from extreme cold to elevated heat
- Maintains strength and flexibility under heat, oil exposure, and dynamic loads
Problems Solved
Time-consuming, expensive curing steps in rubber manufacturing
Challenges in reusing or recycling rubber waste
Insufficient resistance to oils, fuels, and harsh chemicals
Premature aging from ozone, UV, and outdoor exposure
Restricted performance across extreme temperatures
Die drool and poor surface finish for high-output extrusion
Inefficient processing for thin-wall profiles
Die buildup and inconsistent flow increase cleaning cycles
Applications
Automotive components (Interior, Exterior, Under-the-Hood)
Tool grips and handles
Appliance seals
Cable jackets
Cable insulation
Flexible protective sleeves
Shock-absorbing mounts
Industrial products
Motorcycle handles and grips
Architectural trims
Thin-wall profiles
Related End Markets
Related Functions
Plastics
Related Processes
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