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graphite and charcoal tools
Permanent Green Shade
It dries slower than the No1 Medium
10 Colours
300gsm natural French linen for superior strength and texture
Helmar Silicone Oil Helmar Silicone Oil:1 Litre graphite and charcoal tools125ml & 1lt Helmar Silicone Oil Helmar Silicone Oil is made of 100% Silicone Oil, is clear, odourless and non toxic. It is also resistant to oxidation and UV light and is chemical and weather resistant. It coats onto a surface readily and is very compatible with most materials. Helmar Silicone Oil can be used around the home and on sporting equipment. It can also be used in industrial applications and automotive use and is great for creating cells in