SeaSpen® IN is an industrial carrageenan derived from seaweed and used as a hydrocolloid thickener and gelling agent for water-based solutions.
SeaSpen® IN, a naturally derived iota-carrageenan biopolymer, is extracted from sustainably harvested Eucheuma spinosum red seaweed. By dispersing the polymer in cold water and heating it above its solubility temperature (~80°C), a solution of SeaSpen® IN can be produced. This process can lead to the production of a soft gel that is stable when freeze thawed. At low addition rates, the SeaSpen® IN solutions will not undergo gelling due to it behaving as a thixotropic rheology modifier.
SeaSpen® IN can help increase the stability and prolong storage life of a product when added to industrial formulations based on dispersions and emulsions, such as, agrochemical sprays, coatings, and inks. These characteristics of SeaSpen® IN carrageenan are an example of sustainable chemistry that can replace thickeners and gelling agents that are derived from fossil fuels.
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
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
Primary Chemistry: Iota-carrageenan
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