plastik cetakan amino

232 Molecular Weight 30% 100% Melamine Amino moulding plastic Color Design​ Product description Melamine formaldehyde resin hardened scratch-resistant filler, nano alumina XZ-L290 white puff powder state, crystal is γ-Al2O3. Particle size is 20nm; Specific surface area ≥230m2/g. The particle size ...