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Ravenscrag Cone 10R Silky Talc Matte

Code: GR10-C
Modification Date: 2016-10-17 17:22:02
Member of Group: RV10

Plainsman Cone 10R RavenTalc matte glaze. It can be found among others at http://ravenscrag.com.

MaterialAmount
Ravenscrag Slip90.0
Talc10.0
 100.00  

Notes

This glaze is more silky (less matte) than the GR10-J glaze, it is much more beautiful visually and to the touch than a photo can convey. It works well all all clays, but especially buff and dark stonewares.

GR10-C Ravenscrag glaze on iron stoneware

GR10-C Ravenscrag glaze on grey stoneware.

RavenTalc silky matte for cone 10 reduction

RavenTalc silky matte for cone 10 reduction

GR10-C Ravenscrag cone 10R silky matte glaze (90% Ravenscrag Slip, 10% talc) produces stunning surfaces and has excellent slurry and application properties.

Difference between oxidation and reduction! GR10-C matte on Plainsman H443

Difference between oxidation and reduction! GR10-C matte on Plainsman H443

Same body, same glaze. Left is cone 10 oxidation, right is cone 10 reduction. What a difference! This is a Ravenscrag Slip based glaze on a high-fire iron stoneware. In reduction, the iron oxide in the body and glaze darkens (especially the body) and melts much more. The behavior of the tin oxide opacifier is also much different (having very little opacifying effect in reduction).

Ravenscrag based silky MgO matte at cone 6

Ravenscrag based silky MgO matte at cone 6

Cone 6 Ravenscrag Silky Matte on Plainsman M340 (left) and M370 (right). The inside of the M370 mug is a transparent glossy. This recipe produces a silky ivory-coloured surface of very good quality. Go to Ravenscrag.com for more info.

H435 with Ravenscrag 10% talc inside and Ravenscrag Silky Matte outside.

H435 with Ravenscrag 10% talc inside and Ravenscrag Silky Matte outside.

Fired at cone 10R

Laguna B-Mix Cone 10R mugs with Alberta and Ravenscrag glazes

Laguna B-Mix Cone 10R mugs with Alberta and Ravenscrag glazes

B-Mix is a popular high-ball clay very plastic grey cone 10R stoneware in North America. The two mugs on the left have pure Ravenscrag Slip on the inside (the middle on the outside also), it fires almost transparent with a slightly silky surface. Pure Alberta Slip is employed on the outside of the left one and the inside of the right one. The outside of the right one is RavenTalc silky matte. In all cases the Ravenscrag and Alberta Slip are mixed half-and-half calcined and raw. B-Mix fires dark enough and with enough specks that a normal transparent glaze is not very interesting. But these Ravenscrag ones look much better (for liner glazes).

Laguna B-Mix with Ravenscrag GR10-A, GR10-C glazes and 10% PES

Laguna B-Mix with Ravenscrag GR10-A, GR10-C glazes and 10% PES

Left two mugs are pure Ravenscrag Slip, right is RavenTalc silky matte. The speckled mugs have 10% of an A1:St. Rose Red mix added.

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By Tony Hansen

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