| ≥1 piece |
The refined special graded rosin is esterified with glycerin (food graded) to form ester gum. It can be used as basic material for chewing gum and babble gum.
Properties and technical date.
????Transparent glassy whole block with pale yellow fragile, colorless and tasteless.
Physical and Chemical Property: (company standard)
Item Index
Solubility (in benzene 1:1) Clarity
Color (Fe Co method) ≤7
Acid content (mgKOH/g) 4~￡?
Softening point (??)(by ball and ring method) 8￡°~90
Specific gravity (25°/25??) 1.08~1.09
Ash content (%) ≤0.1
As content PPM ≤2
Pb content PPM ≤2
Heavy metal PPM(based on Pb) ≤20
Packaging: 25Kg(whole block)/Box