Ticona VANDAR 4612R

Ticona VANDAR 4612R PBT Vandar 4612R is a high impact polyester alloy containing 7% glass. It possesses excellent impact properties as well as toughness and moldability. Dimensional stability, chemical resistance, and low moisture absorption are other key features

Combining the seemingly contradictory properties of high ductility and good stiffness with the excellent chemical and thermal resistance of polyester makes for products that are hard to beat. Drawing on the basic properties of PBT enables Vandar alloys to achieve these results. These alloys are easy to mold and retain their impact strength down to -30° C (-21° F) and are available in both unreinforced grades and as compounds with glass fiber and minerals.

All unreinforced Vandar products have high impact resistance while retaining strength and stiffness. One grade additionally has a V-0 rating in the UL 94 flammability test down to a thickness of 0.85 mm (0.033 in). A key to the value offered by these Vandar products is that they have high impact even well below freezing, yet retain sufficient stiffness to prevent creeping and sagging at much higher temperatures. This property is particularly important in applications like automotive airbag covers, where ductile tearing is essential even in subfreezing deployment, but structural integrity must be maintained after baking under hot sun in a closed vehicle.

通过结合看似相互矛盾的高延展性和高刚性，加以聚酯所具有的优异的抗化学性和耐热性，这些产品异常独特。建立在PBT基本性能的基础上, Vandar合金展现了上述的梦想特性。这些合金成型容易，并且在低达零下30℃温度的情况下仍能保持良好的冲击强度。Vandar合金有未增强品级，及玻纤和矿物改良品级。

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