Quick Answer: Hydrogel is a water-activated smart material powder that absorbs up to 500 times its own weight in water and turns into a gel that holds the water for an extended period.
Last updated: October 2026
Key Features
Absorbs up to 500 times its own weight in water
Changes from powder to gel when water is added
Holds absorbed water for an extended period
Suits weighing before and after water absorption
For staff and student use
Technical Specifications
Specification
Value
Material type
Hydrogel
Activation method
Water
Absorption
Up to 500 times its own weight in water
User
Staff and student
About This Product
A small pile of the powder is placed in a Petri dish and water is added a little at a time from a syringe or pipette until it can absorb no more. Weighing the dry powder and then the swollen gel turns the demonstration into a simple quantitative experiment, and a small amount can also be mixed into soil for plant growth trials.
Frequently Asked Questions
Q1. What amount should go into soil for plants? Add only a small amount and find the right quantity by trial and error.
