Casein Glue (National Standard GOST 3056-90)
English
Casein glue is a glue form which basic substance appears casein.
Production: glue made of technical casein; namely, it is dry grey powder.
Brands:
In accordance with physical and chemical features it subdivides into the following brands:
- extra (V-107),
- general-purpose (OB).
Physical and Chemical Features
Item | Brand Standards | |
Extra (V-107) |
Qeneral-purpose (ОB) |
|
Odor | Characteristic, but not decomposed odor | |
Fineness degree, sieve residual, % mesh side dimension in the clear, mm: 0,5 not above 1,2 |
- Not allowed |
5 Not allowed |
Water solubility | Smooth homogeneous mix | |
Dynamic viscosity of standard glue solution at 20 0С, P | Not rated | Not rated |
Viscous-flow state retention, hours, not less | 5 | 4 |
Bond strength, MPa (kgf/cm²), not less Dry test Wet test |
10,5(105) 7,2(72) |
7,5(75) 5,2(52) |
Areas of Use:
- bonding of wooden materials with cardboard paper and cloth
- painting work
- printing industry
- footwear manufacturing
- included into filler pastes, bonding agents, lacquers and alkali-resistant paints
- use in potting and production of special grades of concrete
- shipbuilding, aircraft industry
- maintenance and building
Packing
Packing in polypropylene big bags, net weight: 25 kg.
Period of storing: 6 months.