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Sharon Knettell · 10-20-2004, 11:54 AM

Marvin,

I use Claessens 13dp. The roll I have is lead primed, but I don't know if they make lead primed anymore.

Thanks for posting your source.

I prefer canvas because I am addicted to those little bumps which give texture to fabrics like tulle.

As to new materials, if people want to use them, that's great. I am all for trying new things and I think people should. But plastic has not really stood the test of time as a painting substrate, and the adhesion in the long term of paint especially oil, to a polymer or plastic is a big unknown. There is the embrittlement and out-gassing problem as well, pointed out by the curator of the National Gallery in Washington. Embrittlement and out-gassing can be controlled, by completely covering the plastic substrate, but adhesion remains an open question.

10-20-2004, 11:54 AM	#4
Sharon Knettell Approved Member Joined: Sep 2002 Posts: 1,730	Marvin, I use Claessens 13dp. The roll I have is lead primed, but I don't know if they make lead primed anymore. Thanks for posting your source. I prefer canvas because I am addicted to those little bumps which give texture to fabrics like tulle. As to new materials, if people want to use them, that's great. I am all for trying new things and I think people should. But plastic has not really stood the test of time as a painting substrate, and the adhesion in the long term of paint especially oil, to a polymer or plastic is a big unknown. There is the embrittlement and out-gassing problem as well, pointed out by the curator of the National Gallery in Washington. Embrittlement and out-gassing can be controlled, by completely covering the plastic substrate, but adhesion remains an open question.