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Product Description

80" x 500' (203 cm x 152 m)
Dartek is 0.75 mil thick, clear cast Type 6.6 nylon film with no plasticizers, additives or surface coatings of any kind. It is much like Mylar, but softer. As Dartek comes 80 inches wide, conservators find it is useful as a covering membrane for lining paintings on a vacuum hot table. Dartek conforms easily, is clear, does not puncture readily and does not appear to stick to painting surfaces. Dartek is sensitive to moisture. The film normally contains about 1 or 2% moisture as shipped. At a relative humidity of 80%, Dartek will absorb water up to a moisture content of about 6%. The physical properties of this film are greatly influenced by the water content. At low water content, Dartek seems brittle like Mylar but as its water content increases, Dartek becomes softer and tougher. Dartek becomes softer as it is heated and it retains its useful properties up to about 400°F (204°C).

This item ships via Ground only and cannot be expedited. (You may still choose Overnight or 2-Day at checkout for other items in your cart)

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