Bleached Dewaxed Shellac(BDS)
This is purified, bleached and removed mostly its wax of seedlac. It applies each following specifications.
| Listing | JSFA | JP | JSQI | JIS Category Ⅳgrade | |
|---|---|---|---|---|---|
| Purify | Chloride | － | 0.140%max | － | 0.2%max |
| Sulfate | － | 0.110%max | － | － | |
| Residue on Ignition | － | － | 0.5%max | － | |
| Ethanol- insoluble Substances | － | 2.0%max | 2% max | － | |
| Heavy Metals(as Pb) | 2㎍/gmax | (10ppm max) | 10ppmmax | 0.001%max | |
| Arsenic（as As₂O₃） | 1.5㎍/g max | 5ppm max | 2ppm max | 0.00038%max | |
| Rosin | Nil | Nil | － | Nil | |
| Wax | 0.2%max | 20mg max | － | 0.2%max | |
| Acid Value | 73～89 | 65～90 | 60～90 | 65～110 | |
| Loss On drying | 6.0%max | 6.0%max | 6.0%max | 6%max | |
| Total Ash | 1.0%max | 1.0%max | － | 0.5%max | |
| Color | － | － | － | same as sample | |
| Hot Ethanol- insoluble substances | － | － | － | 0.2%max | |
As of May 2024
Storage ：To be preserved in well-closed containers, in cold place.
Expiry Date ：1 month after date of dispatch.
Bleached Regular Shellac(BRS)
This is purified and bleached. It contains its wax of seedlac.
It applies each following specifications.
| Listing | JSFA | JIS Category Ⅱgrade | |
|---|---|---|---|
| Purify | Chloride | － | 0.2%max |
| Heavy Meta（as Pb） | 2㎍/g max | 0.001%max | |
| Arsenic（as As₂O₃） | 1.5㎍/g max | 0.00038%max | |
| Rosin | Nil | Nil | |
| Wax | 5.5%max | 5.5%max | |
| Acid Value | 73～89 | 65～110 | |
| Loss On drying | 6.0%max | 6%max | |
| Total Ash | 1.0%max | 1.0%max | |
| Color | － | same as sample | |
| Hot Ethanol- insoluble substances | － | 1.0%max | |
As of May 2024
Storage ：To be preserved in well-closed containers, in cold place.
Expiry Date ：1 month after date of dispatch.
NSC
This is purified seedlac and dewaxed. It retains its original color.
It applies each following specifications.
It applies each following specifications.
| Listing | JSFA | JP | JSQI | JIS Category Ⅲgrade | |
|---|---|---|---|---|---|
| Purify | Loss on Ignition | － | － | 0.5%max | － |
| Ethanol- insoluble Substances | － | 2.0%max | 2%max | － | |
| Heavy Metal(as Pb) | 2㎍/g max | (10ppm max) | 10ppm max | 0.001%max | |
| Arsenic(as As₂O₃) | 1.5㎍/g max | 5ppm max | 2ppm max | 0.00038%max | |
| Rosin | Nil | Nil | － | Nil | |
| Wax | 0.2%max | 20mg max | － | 0.2%max | |
| Acid Value | 60～80 | 60～80 | 60～90 | 65～80 | |
| Loss on Drying | 2.0%max | 2.0%max | 6.0%max | 2.0%max | |
| Total Ash | 1.0%max | 1.0%max | － | 0.3%max | |
| Hot Ethanol- insoluble Substances | － | － | － | 0.3%max | |
| Water-soluble Substances | － | － | － | 0.5%max | |
| Thermal Curing Time | － | － | － | 90 seconds Min. | |
As of May 2024
Storage ：To be preserved in well-closed containers, in cold place.
Expiry Date ：6 month after date of dispatch.
NST-2
This is purified seedlac. It retains its original color and contains its wax. It applies each following specifications
| Listing | JSFA | JIS Category Ⅱ grade | |
|---|---|---|---|
| Purify | Heavy Metal(as Pb) | 2㎍/g max | 0.001%max |
| Arsenic(as As₂O₃) | 1.5㎍/g max | 0.00038%max | |
| Rosin | Nil | Nil | |
| Wax | 5.5%max | 5.5%max | |
| Acid Value | 60～80 | 65～80 | |
| Total Ash | 1.0%max | 0.3%max | |
| Loss on Drying | 2.0%max | 2.0%max | |
| Hot Ethanol- insoluble Substances | － | 0.6%max | |
| Water-soluble Substances | － | 0.5%max | |
| Thermal Curing Time | － | 90 seconds Min. | |
As of May 2024
Storage ：To be preserved in well-closed containers, in cold place.
Expiry Date ：6 month after date of dispatch.