EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ASTM D2857 testing. This standard covers the determination of dilute solution viscosity of polymers.
There are several ASTM standards (Test Methods D789, D1243, D1601 and D4603 and D3591) that describe dilute solution viscosity procedures for specific polymers such as nylon, poly(vinyl chloride), polyethylene, and polyethylene terephthalate.
This standard was written to increase these standards when problems arise that are not relevant to the particular procedure, or when no standards are available for the polymer under consideration.
This standard applies to all polymers that dissolve completely without chemical reaction or degradation to form solutions that are stable over time at a temperature between ambient and 150°C. Results are often expressed as relative viscosity (viscosity ratio), inherent viscosity (logarithmic viscosity number), or intrinsic viscosity (limit viscosity number).
For polyamides, relative viscosity values according to this procedure are not equivalent to those determined by Test Methods D789.
Values stated in SI units will be accepted as standard. No other units of measurement are included in this standard.
This standard does not purport to address all, if any, safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory restrictions prior to use.
EUROLAB assists manufacturers with ASTM D2857 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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