Heubach VANADUR Yellow 2108 Inorganic Pigment

Features Of Heubach VANADUR Yellow 2108 Inorganic Pigment

1. High thermal stability up to 700 °C in air, suitable for high-temperature ceramic and glass applications.

2. Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.

3. Chemically inert in acidic and alkaline environments, ensuring compatibility with diverse glaze and enamel formulations.

4. Non-toxic composition compliant with EU REACH and RoHS directives for restricted substances.

5. Fine particle size distribution enabling uniform dispersion and optimal opacity in host matrices.

Typical Applications Of Heubach VANADUR Yellow 2108 Inorganic Pigment

1. Ceramic glazes for tableware, sanitaryware, and architectural tiles.

2. Coloring agent in vitreous enamels for domestic appliances and industrial metal substrates.

3. Pigmentation of borosilicate and soda-lime glass for decorative and functional glassware.

4. Stable yellow shade in refractory coatings and high-temperature kiln furniture.

5. Specialty pigment for heat-resistant plastics requiring long-term thermal stability.

Specifications Of Heubach VANADUR Yellow 2108 Inorganic Pigment

Heubach VANADUR Yellow 2108 Inorganic Pigment – Frequently Asked Questions (FAQ)

Q1: What is the primary chemical composition of VANADUR Yellow 2108?

A: VANADUR Yellow 2108 is a high-performance inorganic yellow pigment based on a crystalline vanadate compound, engineered for thermal and chemical stability. Its exact phase composition is proprietary to Heubach, but it is formulated to deliver consistent chroma and lightfastness without organic dye components.

Q2: Is this pigment suitable for use in food-contact plastics?

A: Yes — VANADUR Yellow 2108 is designed for regulatory-compliant applications, including food-contact polymers where permitted under applicable regional frameworks. It meets stringent purity requirements for heavy metals and extractables, and is widely used in polyolefins and engineering thermoplastics intended for indirect food contact.

Q3: How does VANADUR Yellow 2108 perform under high-temperature processing conditions?

A: This pigment exhibits excellent thermal stability, maintaining color integrity during standard melt processing of polyolefins, polyesters, and polycarbonates up to 300 °C. It shows minimal color shift or degradation even under extended residence times typical in extrusion and injection molding.

Q4: Can it be dispersed effectively in aqueous systems?

A: While optimized for polymer melt compounding, VANADUR Yellow 2108 can be adapted for aqueous dispersions using appropriate surface treatment and dispersing agents. Performance in water-based coatings or inks depends on formulation expertise and may require pre-dispersion optimization to ensure stability and uniformity.

Q5: What are key handling and safety considerations during industrial use?

A: As with all fine inorganic powders, appropriate engineering controls (e.g., local exhaust ventilation) and personal protective equipment (e.g., N95 respirators, gloves) are recommended during handling to minimize inhalation or dermal exposure. The material is non-volatile and non-flammable, and presents no significant acute toxicity when used as directed.