Puzzling stuff with Conserving Canvas

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Across
  1. 3. table, A popular worktop (two words)
  2. 4. A product based on EVA co-polymers, Laropal K80, Cellolyn 21 and paraffin wax
  3. 5. Magical reptile found of Rachel likes
  4. 6. Flexing the painting’s muscles
  5. 8. P + (anthony - nthony) + ul
  6. 9. Unsure royal horse with a yellowish or tan coat with primitive markings, also slang for not knowing (two words)
  7. 10. out, Discovering how a stretcher works (two words)
Down
  1. 1. vibrations, Is Lynne picking up the Beach Boys vibes? (two words)
  2. 2. envelope, Sucked out airmail (two words)
  3. 4. Sticking together (not another Brexit joke;)
  4. 6. lining, Always tackling the problems we are facing with positive support (two words)
  5. 7. Name of royal do(r)g(i) that possibly almost bit Juri, a real jaw breaker