Silwet L-77
$0.00
INCI: Siloxane Polyalkyleneoxide Copolymer
Product Category: SurfactantSilwet L-77 spray adjuvant is a superspreading surfactant based on a trisiloxane ethoxylate. This product lowers surface tension of spray solutions, beyond that which is achievable with conventional adjuvants.
Typically, Silwet L-77 spray adjuvant (at 0.1% wt) gives an aqueous surface tension of 20.5 mN/m. On the other hand, an octylphenol ethoxylate containing 10 EO units at 1.0% wt gives a surface tension of only 30 mN/m.
This product may be used as a component in agrochemical formulations. Although organosilicone surfactants are subject to hydrolysis under acidic or basic conditions, optimum performance is achieved by buffering the formulation to pH 6.5 – 7.5. Additionally, it is recommended that the product by used at a concentration of at least 5%, based on the total formulation.
Features & Benefits of Silwet L-77
- Superspreader
- Promotes spray volume reduction
- Promotes rapid uptake of agrochemicals (rainfastness)
- Improves spray coverage
- Nonionic
Applications
- Plant growth regulators (o.o25% – 0.05%)
- Herbicide (o.o25% – 0.15%)
- Insecticide (0.025% – 0.1%)
- Fungicide (o.15% – 0.05%)
- Fertilizers and micronutrients (0.015% – 0.1%)
Performance Data of Silwet L-77
Because Silwet L-77 is a superspreading surfactant, the contact angle of spray solutions on leaf surfaces is reduced, leading to an increase in spray coverage.
FCS = Fluorocarbon surfactant; OP-10 = Octylphenol Ethoxylate, 10EO.
Additionally, under specific conditions, this product promotes rapid uptake of agrochemicals into plants via stomatal infiltration. Spray solutions taken into plants in this way become rainfast, thereby improving application reliability.
DOG = Radio labeled deoxyglucose uptake at 10 minutes after treatment.
Siloxane Polyalkyleneoxide Copolymer
Silwet L-77
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