Buying notice:
1.When we delivery, we usually use other products name to write on parcel, so can avoid high certificate costs for air transport, hope can understand this.
2. Due to international freight costs is very high, So we usually do not accept return order. If have any problem, we will do best to make compensate, thank you for understanding.
3.For lower prices or bulk prices, welcome email to us make further negotiation. We will check whether have cheaper freight costs to your address.
4.After received your payment, we will send out parcel to another city wait for delivery. Estimate can leave China to you in 3-4 days.
Product introduction:
Ultramarine blue is a very common inorganic pigment. It is a sulfur-containing compound of aluminum silicate, which has a crystal structure related to natural bluestone, so it has a very bright color and pure color. Ultramarine blue has the functions of coloring, whitening and color matching, and is widely used. It is an ideal pigment for plastics, rubber, paint, ink, art paint, cosmetics, textiles and so on.
Product advantages: strict batch color difference control (△E≤0.5/L≤0.3/a≤0.3/b≤0.3) is higher than the international standard (△ E ≤ 0.7); The quality is more stable, safe and non-toxic (the lead content of the product is less than 30PPM, which meets the international standards such as ROHS and EN71 of the European Union); Super high cost performance is the main choice for enterprises to ensure product quality, reduce product cost and improve market competitiveness; The particle size distribution is stricter, and the product dispersibility is more excellent; Lower sulfur content (less than 500PPM); Water-soluble substances and other indicators are strictly tested in each batch, and the temperature resistance of finished products is above 300°C; Better weather resistance, light resistance and migration resistance; More rigorous color difference control; Ensure the stability and consistency of supply.
Technical indicators:
DE chromatic aberration (max%): 0.5
Coloring power: 3
Free sulfur (max%): 0.05
Screen allowance (max%):0.1
Moisture (max%): 1
Water soluble substance (max%):0.2
Heat resistance (℃): ≥300
Migration resistance: 5
Weather resistance: 8
Oil absorption (cc/g):30-40
PH value: 8-10
Average particle size (μm):≤1.1
Acid resistance: 1
Alkali resistance: 2-3
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