PEM-665 by Designer Molecules is polyester methacrylate oligomer. It has low color and low cure shrinkage. Exhibits good thermal stability and hydrolysis resistance. Possesses low CTE, high Tg, and high modulus. It is not based upon a bisphenol A backbone and therefore does not have the potential to act as an endocrine disruptor. It shows good solubility in both aliphatic and aromatic co-monomers. PEM-665 is recommended for use as a base resin in dental applications and low CTE thermosets.
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PEM-665 properties
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| Decomposition temperature (catalyzed) | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Volume shrinkage @ 100% Conversion | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Weight loss @ 300°C (catalyzed) | 0.0 Visible After Login | Visible After Login | Visible After Login |