1. Product Overview
Solid soda‑lime glass microbeads, specially manufactured as weighting filler for weighted plush, sensory toys, reborn dolls, weighted stuffed animals and therapeutic weighted items. Perfect spherical shape, smooth surface, no sharp edges, low dust, inert and non‑toxic. It provides quiet, silky flow and even weight distribution, the premium alternative to PE poly pellets.
2. Material & Physical Properties
- Material: Soda‑lime solid glass
- Main composition: SiO₂ ≥68%, Na₂O, CaO
- Density: 2.4 ~ 2.6 g/cm³
- Bulk density: approx. 1.45–1.50 g/cm³
- Mohs hardness: 6–7
- Shape: Perfect sphere, roundness ≥90%
- Appearance: Clear / translucent white, clean, low free dust
- Chemical property: Inert, water‑resistant, acid & alkali resistant, non‑porous, no moisture absorption
3.Key Advantages
- High density: More weight in smaller volume, keeps the toy slim and compact (around 40% less volume than PE pellets for same target weight)
- Whisper quiet: Smooth rolling, almost no crunch sound when squeezed or shaken
- Even weight distribution: Good for deep pressure sensory therapy, not easy to clump
- Smooth & safe: No sharp fragments, low risk of piercing inner liner fabric
- Wash stable: Resists water, colour fast; suitable for surface wash / gentle hand wash (depends on liner fabric)
- Non‑toxic & inert: No heavy metal migration, no odour, no allergen risk
- Long service life: No aging, no decomposition, reusable
4. Comparison: Glass Microbeads VS PE Poly Pellets
| Item | Glass Microbeads | PE Poly Pellets |
|---|---|---|
| Density | High (2.4–2.6 g/cm³) | Low (~0.9 g/cm³) |
| Sound | Quiet, silky flow | Audible crunch noise |
| Volume for same weight | Small | Bulky |
| Tactile feel | Smooth, sand‑like | Harder, grainy |
| Safety | Inorganic, no plastic shedding risk | Plastic, risk of micro‑plastic if broken |
| Price | Premium | Economy |
