GB/T 21872-2008
Sulphonic acid hardener for foundry no-bake furan resin
JB/T 7526-2008
No bake furan resin for foundry
JB/T 11739-2013
JB/T 7526-1994
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Hard phenolformaldehyde resins. Specifications
JB/T 7527-1994
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Hard phenolformaldehyde resins. Specifications
ISO 6907:1984
Rubber footwear — Vulcanized resin rubber and vulcanized hard rubber soling materials — Specification