Glycerin monostearate(GMS),molecular weight 358. Commercial products usually are yellowish solid wax in flake or poweder form, without odour and toxicity, containing a small quantity of glycerol distearate and glycerol tristearate. GMS is oil soluble non-ionic surfactant with HLB value of 3.6 - 4.0.
Product specification:
|
Item |
GMS-A |
GMS-B |
|
Monoester percentage(％) |
32-38 |
40-42 |
|
Appearance |
White or yellowish Solid wax powder or flake |
|
|
Iodine value(gI2∕100g) |
3.0max |
3.0max |
|
Melting point(℃) |
53min |
53min |
|
Free acid(stearic acid %) |
2.5max |
2.5max |
|
Heavy metal(Pb %) |
0.0005max |
0.0005max |
|
Heavy metal(As %) |
0.0001max |
0.0001max |
|
Heavy metal(Fe %) |
0.0002max |
0.0002max |
Note: some physical and chemical properties can be adjusted to client request accordingly.
Packaging: 25 Kg N.W. per sack (flakes or powder).
Storage: Stored in dry and cool places.
Shelf life: 1 year
Applications:
As the necessary ingredient for compounding composite lead heat stabilizers,functioning as the excellent internal lubricant.
In U-PVC pipe and profile plastic industry, GMS can be directly used as the main internal lubricant. Also as the anti-static agent for PE,ABS,PP products(e.g.,plastic drums or films).
In textile and dyeing industry, GMS can effectively prevent discoloration and act as the best softener in the fabrics
It also has effects of emulsification, dispersion, foaming, defoaming, starch anti-aging and fat agglomeration control, and is widely used in foodstuffs, cosmetic, medicine and plastic processing industries.