SeaSpen® IN is an industrial carrageenan hydrocolloid derived from seaweed and used as a thickener and gelling agent for water-based solutions.
SeaSpen® IN is a naturally derived iota-carrageenan extracted from sustainably harvested Eucheuma spinosum red seaweed. Solutions of SeaSpen® IN can be produced by dispersing the polymer in cold water and then heating the dispersion above the solubility temperature. This leads to the development of a soft gel that is freeze-thaw stable upon cooling. At low addition rates, solutions containing SeaSpen® IN will not undergo gelling. In this case, SeaSpen® IN functions as a thixotropic rheology modifier. When added to industrial formulations based on dispersions and emulsions, such as coatings, inks, or agrochemical sprays, SeaSpen® IN helps increase stability and prolong storage life. These properties make SeaSpen® IN carrageenan an example of sustainable chemistry that can replace thickeners and gelling agents derived from fossil fuels.
Water dessert gel: 70–150 g
Moisture (% max): 12.0
pH: 7.5–10.5
Particle size through USSS 150µm (% min): 95.0
Color: Light tan to tan
Aerobic plate count (cfu/g): NMT 2500
Salmonella (per 25 g): Not detected by test
Mold & yeast (cfu/g): NMT 100
E. coli (per 10 g): Not detected by test
Naturally derived from renewable resources originating in sustainable farms
Biodegradable
Compliant with FDA 40 CFR 180.910, 180.920, and 180.920
Water-soluble
Forms elastic aqueous gels
Provides significant thickening at low usage rate
Poor stability of dispersions, suspensions, and emulsions
Freeze-thaw instability of gels
Use of agrochemical additives that are harmful to the environment
Formulation using additives that are not classified as sustainable
Poor green strength and cohesive strength of ceramic slurries
Coatings
Inks
Agricultural suspension concentrates
Gelled formulations, such as insect baits and air fresheners
Ceramics
Investment casting
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