Introduction to analysis of insulation rubber kraal pad material

by:Desing      2020-04-10
We stall to buy insulation rubber pad material sometimes will be cheated, so we have to learn how to better identify the raw material of rubber kraal pad, let us have a detailed understanding. 1, appearance, burning, acid leaching method. Rubber appearance, burning, acid leaching identification method of natural rubber ( NR) * * translucent appearance is light; Easy combustion, flame characteristics in black smoke, dark * * flame, soft; Residue and smell: rubber smell, residue non-viscous; 2, sulfuric acid leaching ze test: reddish-brown ~ taupe, harden, crisp isoprene rubber ( IR) * * translucent appearance is light; Easy combustion, flame characteristics in black smoke, dark * * flame, soft; Residue and smell: rubber smell, residue non-viscous; 3, sulfuric acid dipping method test: reddish-brown ~ taupe, harden, crisp butadiene rubber ( BR) * * translucent appearance is light; Easy combustion, flame characteristics in black smoke, dark * * flame, soft; Residue and smell: residue non-viscous; 4, sulfuric acid dipping test: no styrene-butadiene rubber ( SBR) * * translucent appearance is light; Easy combustion, flame characteristics in black smoke, dark * * flame, soft; Residue and smell: styrene smell, slightly inflated, non-viscous;
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