ICUMSA Sugar Grades Explained: Complete Guide for Importers (2026)

What is ICUMSA?

ICUMSA stands for the International Commission for Uniform Methods of Sugar Analysis. It's the global standards body that defines how sugar is tested, graded, and classified for international trade. The ICUMSA color scale is the universal language buyers and sellers use to specify sugar quality.

The ICUMSA color number measures how light passes through a sugar solution. Lower numbers mean whiter, more refined sugar. Higher numbers mean less refined, with more residual molasses and color bodies.

If you're importing sugar in any quantity for any purpose, understanding ICUMSA grades is essential. The wrong grade for your application means quality complaints from your customers, regulatory rejections, or simply paying too much for refinement you don't need.

The ICUMSA Color Scale

ICUMSA 45 — The Premium Grade

ICUMSA 45 refined white sugar is the global premium standard. It's what you find in retail packs at major supermarkets, what beverage companies use for soft drinks, and what most international buyers default to specify.

Specifications:

• Color: Maximum 45 IU (typical 30-40 IU)
• Polarization: Minimum 99.80°Z
• Moisture: Maximum 0.04%
• Ash content: Maximum 0.04%
• Reducing sugars: Maximum 0.04%
• SO2: Maximum 20 ppm

Applications:

• Beverage manufacturing (soft drinks, juices, alcoholic beverages)
• Confectionery (chocolate, candy, gum)
• Bakery products (premium brands)
• Pharmaceutical applications
• Premium retail packaging
• Hotel and food service
• Ice cream and dairy

Price: ICUMSA 45 commands a premium of $20-60 per metric ton over ICUMSA 100, and $40-100 per ton over ICUMSA 150. It's the most traded grade in international refined sugar markets.

ICUMSA 100 — High-Grade White

ICUMSA 100 sugar is a step down from premium ICUMSA 45 but still meets most food industry quality requirements. It has a slightly cream tint compared to the brilliant white of ICUMSA 45 but is virtually indistinguishable in finished products.

Specifications:

• Color: 46-100 IU
• Polarization: Minimum 99.7°Z
• Moisture: Maximum 0.05%
• Ash content: Maximum 0.05%

When to use ICUMSA 100 instead of 45:

• When you're producing baked goods (color won't show in finished product)
• When the end product is dark colored (cola, brown sauces, baked beans)
• When cost matters more than visual whiteness
• For industrial food service (bulk catering, school feeding)

Price: Typically $20-50 per metric ton cheaper than ICUMSA 45.

ICUMSA 150 — Standard White Sugar

ICUMSA 150 is the workhorse grade for general food manufacturing and budget retail markets. It has a noticeable off-white tint when compared side-by-side with ICUMSA 45 but is still considered "white sugar" in most markets.

Specifications:

• Color: 101-150 IU
• Polarization: Minimum 99.5°Z
• Moisture: Maximum 0.06%

Common applications:

• Budget retail brands
• Industrial baking
• Cooking sugar for institutional kitchens
• Lower-cost food manufacturing
• Animal feed and pet food (premium feeds)

Price: $40-100 per metric ton cheaper than ICUMSA 45. Popular in price-sensitive markets in Africa, South Asia, and parts of Latin America.

Raw Sugar (ICUMSA 600-1200)

Raw sugar is unrefined or minimally processed cane sugar. It retains some natural molasses content, giving it a golden-brown color and slightly distinctive flavor. Raw sugar is the most globally traded form of sugar by volume.

Specifications:

• Color: 600-1200 IU
• Polarization: 96-99°Z
• Moisture: 0.3-0.5%

Applications:

• Sugar refineries (raw material for further refining)
• Industrial food manufacturing where color doesn't matter
• Ethanol production
• Bakery applications wanting natural flavor
• Cattle feed supplements
• Specialty retail (turbinado, demerara, muscovado)

Two main categories:

1. VHP (Very High Pol) — Highest quality raw sugar, 99.3% polarization minimum. Used by refineries that process to ICUMSA 45.

1. VVHP (Very Very High Pol) — Premium raw sugar, 99.5% polarization. Less processing required for refining.

Price: Raw sugar is $60-150 per metric ton cheaper than ICUMSA 45, making it the most cost-effective form for buyers who plan to refine further or who don't need pure white color.

Brown Sugar Grades

Brown sugars sit at the high end of the ICUMSA scale (1200+ IU) but are produced and graded differently than refined sugars. They include light brown, dark brown, demerara, and muscovado.

Light brown sugar: Refined sugar with a thin coating of molasses added back. Used in baking and confectionery. Dark brown sugar: Same process with more molasses. Stronger flavor for gingerbread, spice cakes, glazes. Demerara: Raw sugar with large golden crystals. Popular for coffee, premium baking. Muscovado: Unrefined cane sugar with intense molasses flavor. Specialty markets, premium baking. Price: Brown sugars cost more than refined ICUMSA 45 — typically $60-200/MT premium — because they require additional processing or specialty source material.

How to Choose the Right Grade

Use this decision framework:

1. What's your end product visual?

- White appearance critical → ICUMSA 45 - Off-white or cream acceptable → ICUMSA 100 or 150 - Brown or dark → Raw sugar or brown sugar

1. Who's your customer?

- Retail consumers (visible packaging) → ICUMSA 45 - Food manufacturers → ICUMSA 45 or 100 - Institutional/budget food service → ICUMSA 150 - Refineries → Raw sugar

1. What's your budget?

- Premium pricing OK → ICUMSA 45 - Cost-conscious → ICUMSA 100 or 150 - Lowest cost → Raw sugar

1. What are local market expectations?

- Developed markets typically demand ICUMSA 45 - Emerging markets often accept ICUMSA 100-150 - Industrial buyers may prefer raw sugar

Common Mistakes Importers Make

Mistake 1: Specifying ICUMSA 45 when ICUMSA 100 would work fine. This costs you $30-60 per ton unnecessarily. Many buyers insist on ICUMSA 45 out of habit when their actual application would be perfectly served by ICUMSA 100. Mistake 2: Confusing polarization with ICUMSA color. Polarization measures sucrose purity (the higher the better). ICUMSA color measures visual whiteness (the lower the better). Both matter but they're different metrics. Mistake 3: Not requesting an SGS or Bureau Veritas inspection certificate. For larger orders, always request third-party inspection at the port of loading to verify ICUMSA color, polarization, and moisture before shipment. Mistake 4: Assuming all raw sugar is the same. VHP raw sugar (99.3+ Pol) and lower-grade raw sugar (96-98 Pol) can differ by $30-50/MT. Always specify minimum polarization in your purchase contract.

Conclusion

ICUMSA grades are the universal language of sugar trade. Understanding the differences between ICUMSA 45, 100, 150, and raw sugar helps you specify the right grade for your application, negotiate better pricing, and avoid quality disputes with suppliers.

For most buyers in finished food markets, ICUMSA 45 remains the safest and most marketable choice. For industrial users, refineries, and price-sensitive markets, lower-grade options offer significant cost savings.

Contact our export team for current FOB pricing on any ICUMSA grade — we ship to 50+ countries with consistent quality and reliable delivery.