Name: Zirconium Silicate (ZrSiO₄)
Brand: Antai Zirconium
Availability: InStock

Grade T Grade A Grade B Grade B Pro Grade B6 Grade B6 Pro Grade C

Quick Comparison

All 7 Grades at a Glance

Grade	ZrO₂+HfO₂ (Guaranteed)	Fe₂O₃ Max	TiO₂ Max	Al₂O₃	D50	Whiteness	Packing
Grade T	≥64.8%	0.10%	0.12%	0.70–1.00%	1.00 μm	93–95	40kg/27MT
Grade A	≥63.5%	0.12%	0.15%	1.30–1.50%	1.00 μm	91–92.5	40kg/27MT
Grade B	≥62.5%	0.20%	0.25%	2.30–2.80%	1.00 μm	88.5–90.5	40kg/27MT
Grade B Pro	≥62.5%	0.20%	0.25%	2.30–2.80%	0.80 μm	88.5–90.5	40kg/27MT
Grade B6	≥60.0%	0.20%	0.30%	5.00–6.00%	1.00 μm	88.5–90.5	40kg/27MT
Grade B6 Pro	≥60.0%	0.20%	0.30%	5.00–6.00%	0.80 μm	88.5–90.5	40kg/27MT
Grade C	≥55.0%	0.30%	0.45%	8.00–9.50%	1.00 μm	88–89	40kg/27MT

Top Grade

Grade T — Premium Sanitaryware

Recommended for: TOTO, JOMOO and top-tier sanitary ware manufacturers

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1. Chemical Analysis

ZrO₂+HfO₂ (Guaranteed)≥ 64.8%

ZrO₂+HfO₂ (Typical)65.0 – 65.5%

Fe₂O₃ (Max)0.10%

Fe₂O₃ (Typical)0.06 – 0.10%

TiO₂ (Max)0.12%

TiO₂ (Typical)0.08 – 0.12%

Al₂O₃0.70 – 1.00%

CaO0.00 – 0.03%

P₂O₅0.06 – 0.20%

SiO₂32.2 – 33.5%

2. Specific Activity (Radioactivity)

• ²²⁶Ra2418.2 Bq/kg

• ²³²Th493.5 Bq/kg

• ⁴⁰K5.0 Bq/kg

IRa Index12.0 – 13.0

Ir Index8.00 – 9.00

3. Particle Size

D501.00 μm

D972.3 μm

4. Whiteness & Packing

Whiteness93.0 – 95.0

Packing40 kg/bag

Container Loading27 MT / 20' GP

High Grade

Grade A — High-End Ceramic & Sanitary

Recommended for: Monalisa, Dongpeng, American Standard and high-end tile/sanitary manufacturers

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1. Chemical Analysis

ZrO₂+HfO₂ (Guaranteed)≥ 63.5%

ZrO₂+HfO₂ (Typical)63.5 – 64.5%

Fe₂O₃ (Max)0.12%

Fe₂O₃ (Typical)0.08 – 0.12%

TiO₂ (Max)0.15%

TiO₂ (Typical)0.10 – 0.15%

Al₂O₃1.30 – 1.50%

CaO0.00 – 0.03%

P₂O₅0.06 – 0.20%

SiO₂32.2 – 33.5%

2. Specific Activity

²²⁶Ra2739.8 Bq/kg

²³²Th528.9 Bq/kg

⁴⁰K5.0 Bq/kg

IRa13.5 – 14.5

Ir9.00 – 10.0

3. Particle Size

D501.00 μm

D972.3 μm

4. Whiteness & Packing

Whiteness91.0 – 92.5

Packing40 kg/bag

Container Loading27 MT / 20' GP

Standard Grade

Grade B — Medium Grade Tiles & Sanitary

Recommended for: Medium-tier brand sanitaryware and tile manufacturers

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1. Chemical Analysis

ZrO₂+HfO₂ (Guaranteed)≥ 62.5%

ZrO₂+HfO₂ (Typical)62.5 – 63.5%

Fe₂O₃ (Max)0.20%

Fe₂O₃ (Typical)0.12 – 0.20%

TiO₂ (Max)0.25%

TiO₂ (Typical)0.15 – 0.25%

Al₂O₃2.30 – 2.80%

CaO0.00 – 0.03%

P₂O₅0.06 – 0.20%

SiO₂32.2 – 33.5%

2. Specific Activity

²²⁶Ra2934.1 Bq/kg

²³²Th590.9 Bq/kg

⁴⁰K5.0 Bq/kg

IRa14.0 – 15.5

Ir9.00 – 11.0

3. Particle Size

D501.00 μm

D972.30 μm

4. Whiteness & Packing

Whiteness88.5 – 90.5

Packing40 kg/bag

Container Loading27 MT / 20' GP

Fine Grind

Grade B Pro — Same Chemistry, Finer Grind

Same as Grade B chemistry but with enhanced D50 of 0.80 μm for smoother glaze surface

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1. Chemical Analysis (same as Grade B)

ZrO₂+HfO₂ (Guaranteed)≥ 62.5%

ZrO₂+HfO₂ (Typical)62.5 – 63.5%

Fe₂O₃ (Max)0.20%

TiO₂ (Max)0.25%

Al₂O₃2.30 – 2.80%

SiO₂32.2 – 33.5%

2. Specific Activity

²²⁶Ra2934.1 Bq/kg

²³²Th590.9 Bq/kg

IRa14.0 – 15.5

Ir9.00 – 11.0

3. Particle Size — KEY DIFFERENCE

D500.80 μm ⭐ Finer

D971.60 μm

4. Whiteness & Packing

Whiteness88.5 – 90.5

Packing40 kg/bag

Container Loading27 MT / 20' GP

Export Sanitary

Grade B6 — Export Sanitaryware

Developed specifically for Chaozhou-area sanitaryware export manufacturers

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1. Chemical Analysis

ZrO₂+HfO₂ (Guaranteed)≥ 60.0%

ZrO₂+HfO₂ (Typical)60.0 – 60.5%

Fe₂O₃ (Max)0.20%

Fe₂O₃ (Typical)0.15 – 0.20%

TiO₂ (Max)0.30%

TiO₂ (Typical)0.20 – 0.30%

Al₂O₃5.00 – 6.00%

CaO0.00 – 0.03%

MgO0.00 – 0.06%

SiO₂32.0 – 33.5%

2. Specific Activity

²²⁶Ra2718.3 Bq/kg

²³²Th811.1 Bq/kg

IRa14.0 – 15.5

Ir9.00 – 11.0

3. Particle Size

D501.00 μm

D972.3 μm

4. Whiteness & Packing

Whiteness88.5 – 90.5

Packing40 kg/bag

Container Loading27 MT / 20' GP

Fine Grind Export

Grade B6 Pro — Fine Grind B6

B6 chemistry + finer D50 of 0.80 μm for premium surface quality

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1. Chemical Analysis (same as Grade B6)

ZrO₂+HfO₂ (Guaranteed)≥ 60.0%

Al₂O₃5.00 – 6.00%

Fe₂O₃ (Max)0.20%

TiO₂ (Max)0.30%

MgO0.00 – 0.06%

SiO₂32.0 – 33.5%

2. Specific Activity

²²⁶Ra2718.3 Bq/kg

²³²Th811.1 Bq/kg

IRa14.0 – 15.5

Ir9.00 – 11.0

3. Particle Size — KEY DIFFERENCE

D500.80 μm ⭐ Finer

D971.60 μm

4. Whiteness & Packing

Whiteness88.5 – 90.5

Packing40 kg/bag

Container Loading27 MT / 20' GP

Economy Grade

Grade C — Economy

Best price-performance ratio for cost-sensitive applications

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1. Chemical Analysis

ZrO₂+HfO₂ (Guaranteed)≥ 55.0%

ZrO₂+HfO₂ (Typical)55.0 – 55.5%

Fe₂O₃ (Max)0.30%

Fe₂O₃ (Typical)0.20 – 0.30%

TiO₂ (Max)0.45%

TiO₂ (Typical)0.30 – 0.40%

Al₂O₃8.00 – 9.50%

CaO0.00 – 0.04%

MgO0.00 – 0.05%

SiO₂32.2 – 33.5%

2. Specific Activity

²²⁶Ra2819.4 Bq/kg

²³²Th951.6 Bq/kg

IRa14.0 – 15.5

Ir10.0 – 11.5

3. Particle Size

D501.00 μm

D972.3 μm

4. Whiteness & Packing

Whiteness88.0 – 89.0

Packing40 kg/bag

Container Loading27 MT / 20' GP

Zirconium Silicate — 7 Grades for Every Application

All 7 Grades at a Glance

Grade T — Premium Sanitaryware

Grade A — High-End Ceramic & Sanitary

Grade B — Medium Grade Tiles & Sanitary

Grade B Pro — Same Chemistry, Finer Grind

Grade B6 — Export Sanitaryware

Grade B6 Pro — Fine Grind B6

Grade C — Economy

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