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Shanghai Profirst Co., Ltd.

Organosilicone Spreaders

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Organosilicone super spreaders (PASS series) that cut surface tension and spread spray droplets rapidly across leaf surfaces — including low-foaming and herbicide-grade types, plus the key silicone raw material.

Silicone Surfactant PASS as Super Spreader

CAS: 67674-67-3

PASS is a nonionic organosilicone super spreading adjuvant for foliar-applied agrochemicals, including herbicides, insecticides, fungicides, fertilizers, and plant growth regulators, designed to improve spray coverage, reduce surface tension, and enhance uptake efficiency in agriculture.

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Silicone Surfactant PASS-77 as Super Spreader

CAS: 27306-78-1

PASS-77 is a nonionic organosilicone super spreading adjuvant for foliar-applied agrochemicals, including herbicides, insecticides, fungicides, fertilizers, and plant growth regulators, designed to improve spray coverage, reduce surface tension, and enhance uptake efficiency in agriculture

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Silicone Surfactant PASS-240 as Super Spreader

CAS: 134180-76-0

PASS-240 is a nonionic organosilicone super spreading adjuvant for foliar-applied agrochemicals, including herbicides, insecticides, fungicides, fertilizers, and plant growth regulators, designed to improve spray coverage, reduce surface tension, and enhance uptake efficiency in agriculture.

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Silicone Spreader for herbicide PASS-HBZ

CAS: 67674-67-3

PASS-HBZ is a nonionic organosilicone super spreading adjuvant specially designed for systemic herbicides, such as glyphosate, to improve foliar coverage, increase retention time on leaves, and enhance uptake efficiency, saving water and agrochemicals in agricultural applications.

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