SOLVENTS

PETROLEUM SOLVENT (NEFRAS — S2–80/120) is produced in accordance with TU RB 100006485.148–2002 “Petroleum solvent. Specifications” and is designed for usage in rubber industry:

No. Property Nefras — S2–80/120
premium grade first grade
1 Density at 20 °C, kg/m3, max 700 730
2 Distillation:
— initial boiling point, °C, min
‑ 93 % recovered at, °C, max
‑ 98 % recovered at, °C, max
— distillation test residue,%, max

80

110
1.0

80
110
120
1.5
3 Bromine number, g Br / 100 cm3 of petroleum solvent, max 0.08 0.09
4 Aromatics,% wt., max
1.5

2.5
5 Oil‑spot test must pass the test
6 Sulfur,% wt., max 0.001
7 Water soluble acids and alkalis content none
8 Sediments and water content none

NEFRAS — S4–150/200 (white spirit substitute) is produced in accordance with TU RB 100006485.147–2002 “Nefras — S4–150/200. Specifications” and is designed for usage in paints and varnishes industry instead of white spirit:

No. Property Nefras — S4–150/200
1 Density at 20 °C, kg/m3, max 790
2 Distillation:
— initial boiling point, °C, min
‑ 98 % recovered at, °C, max
140
215
3 Closed cup flash point, °C, min 31
4 Xylene volatility 2.0–10.0
5 Aromatics,% wt., max 19.5
6 Sulfur,% wt., max 0.25
7 Copper strip corrosion test class 1
8 Water soluble acids and alkalis content Absence
9 Sediments and water content Absence
10 Color not darker than reference solution

PETROLEUM SOLVENT (NEFRAS-A-130/150) is produced in accordance with GOST 10214–78 “Petroleum solvent. Specifications” and is used as a solvent for varnishes, paints and enamels:

No. Property Petroleum  solvent
premium grade first grade
1 Appearance and color Colorless or light‑yellow transparent liquid
2 Density at 20 °C, g/cm3, min 0.860 0.860
3 Distillation:
— initial boiling point, °C, min
‑ 90 % recovered at, °C, max
134.0
150.0
130.0
150.0
4 Xylene volatility, max 1.20 1.20
5 Sulfur,% wt., max 0.020 0.050
6 Sulfonated materials,% vol., min 99.0 99.0
7 Water extract reaction Neutral
8 Open cup flash point, °C, min 27 25

GRADE646 SOLVENT is produced in accordance with GOST 18188–72 “Solvents of grades 645, 646, 647, 648 for paints and varnishes. Specifications” and is designed for dilution of general purpose nitroenamels, nitrovarnishes and nitrofillers:

No. Property Grade 646 solvent
1 Color and appearance Colorless or slightly yellowish homogeneous transparent liquid without suspension, separation and particulate matter
2 Water mass fraction by Fischer,%, max 2.0
3 Diethyl ether volatility 8–15
4 Acid number, mg КОН/g, max 0.06
5 Coagulation number,%, min 35
6 Dilution action Coating material should not coagulate and separate. Once dry, there should not be whitening of film on the surface, as well as milky or blush spots.
7 Solvent action
8 Closed cup flash point, °C, min Minus 1

GRADE647 SOLVENT is produced in accordance with GOST 18188–72 “Solvents of grades 645, 646, 647, 648 for paints and varnishes. Specifications” and is designed for dilution of nitroenamels and nitrovarnishes for loght motor vehicles:

No. Property Grade 647 solvent
1 Color and appearance Colorless or slightly yellowish homogeneous transparent liquid without suspension, separation and particulate matter
2 Water mass fraction by Fischer,%, max 0,6
3 Diethyl ether volatility 8–12
4 Acid number, mg КОН/g, max 0.06
5 Coagulation number,%, min 60
6 Dilution action Coating material should not coagulate and separate. Once dry, there should not be whitening of film on the surface, as well as milky or blush spots.
7 Solvent action
8 Closed cup flash point, °C, min 4

GRADE648 SOLVENT is produced in accordance with GOST 18188–72 “Solvents of grades 645, 646, 647, 648 for paints and varnishes. Specifications” and is designed for lines and scratches surfacing by nitroenamel coatings spraying after smooth finishing:

No. Property Grade 648 solvent
1 Color and appearance Colorless or slightly yellowish homogeneous transparent liquid without suspension, separation and particulate matter
2 Water mass fraction by Fischer,%, max 1.0
3 Diethyl ether volatility 11–18
4 Acid number, mg КОН/g, max 0.06
5 Coagulation number,%, min 100
6 Dilution action
7 Solvent action Once dry, there should not be whitening of film on the surface, lines and scratches from smooth finishing should be surfaced.
8 Closed cup flash point, °C, min 11

R-4 GRADE SOLVENT is produced in accordance with GOST 7827–74 “Solvents of grades R-4, R-4А, R-5, R-5А, R-12 for paint materials. Specifications” and is designed for dilution of paint materials on the basis of PSH LS and PSH LN chlorinated polyvinylchloride resins, vinyl chloride copolymers, epoxy resins and other film-forming materials (excluding HV-124 grey and protective enamels):

No. Property R‑4 grade solvent
1 Color and appearance Colorless or slightly yellowish homogeneous transparent liquid without visible particulate matter
2 Water mass fraction by Fischer,%, max 0,7
3 Diethyl ether volatility 5–15
4 Acid number, mg КОН/g, max 0.07
5 Coagulation number,%, min 24
6 Dilution action Coating material should not coagulate and separate. Once dry, there should not be whitening of film on the surface, as well as milky or blush spots.
7 Closed cup flash point, °C, min Minus 10

R-12 GRADE SOLVENTis produced in accordance with GOST 7827–74 “Solvents of grades R-4, R-4А, R-5, R-5А, R-12 for paint materials. Specifications” and is designed for dilution of paint materials on the basis of PSH LS and PSH LN chlorinated polyvinylchloride resins, polyacrylic resins and other film-forming materials:

No. Property R‑12 grade solvent
1 Color and appearance Colorless or slightly yellowish homogeneous transparent liquid without visible particulate matter
2 Water mass fraction by Fischer,%, max 1.0
3 Diethyl ether volatility 8–14
4 Acid number, mg КОН/g, max 0.10
5 Coagulation number,%, min 22
6 Dilution action Coating material should not coagulate and separate. Once dry, there should not be whitening of film on the surface, as well as milky or blush spots.
7 Closed cup flash point, °C, min 5

651 SOLVENT is produced in accordance with TU RB 100006485.134–2001 “651 solvent. Specifications” and is designed for dilution of oil paints and other paint materials:

No. Property 651 solvent
1 Appearance Homogeneous transparent liquid without visible particulate matter
2 Color Not darker than reference solution
3 Density at 20 °C, kg/m3, max 792.0
4 Xylene volatility 1.5–10.0
5 Water content Traces
6 Oil‑spot test Passes

RS-2 SOLVENT is produced in accordance with TU RB 100006485.132–2001 “RS-2 solvent. Specifications” and is designed for diluton of oil paints, bituminous varnishes and pentaphthalic enamels:

No. Property RS‑2 solvent
1 Appearance Colorless or slightly yellowish homogeneous transparent liquid without visible particulate matter
2 Color Not darker than reference solution
3 Oil-spot test Passes
4 Dilution action Coagulation and separation should not be observed during dilution of oil paints, bituminous varnishes and pentaphthalic enamels