Tianjin Tiankai Chemical Industries Import & Export Co., Ltd.

Food grade
Light brown to yellow, viscous liquid without foreign particles

formic acid
ITEM TECHNICAL STANDARD INSPECT RESULT
PURITY % 85% min 85.51
Density 1.2 1.2
COLOUR INDEX 10 max 08
CHLORIDE % 0.005 max 0.0020
SULFATE % 0.002max 0.0001
FE % 0.0005 max 0.0001
EVAPORATION
RESIDUE 0.020 max 0.010

Appearance Yellowish-brown Crystal Yellowish-brown Crystal
FeCl3 6H2O, % 96 97.28
Fe3+, % 19.20 20.10
Fe2+, % 0.15 0.05
Insoluble substance, % 1.00

ITEM QUALITY INDEX
TEST
RESULT
EXCELLENCE FIRST CLASS PASSED
Available
Chlorine %â?¥ 70.0 67.0 65.0 71.2
Size(12~50mesh)%
â?¥ 90 90 90 95
Appearance White or light-grey granular White granular
Note ;
Water
Whitepess 7.00 LEAD(Pb): 0.7mg/kg
67.00 Arsenic Result 0.7mg/kg (Specification =5)

ITEM UNIT STANDARD ACTUAL DATA
Sodium Hydrosulphite % 88 min 88.2
Water insoluble % 0.1 max 0.06
Sodium thiosulfate: Na2S2O3 % 1.2 max 0.7
Sodium metabisulfite: Na2S2O5 % 5-7 6
Sodium bisulfite:NaHSO3 % 0.5 max 0.4
Sodium carbonate: Na2CO3 % 0.6-2 1.5
Sodium formate: HCOONa % 0.5 max 0.3
Zn % 0.0001 max 0.00009
Fe % 0.005 max 0.004

1.white crystal product.
2.Used as a mordant in textile dyeing.
3.Used for coloring and galvanic tinning of metals.
4.Used in baking, to make hard candies.

COMMODITY: SODIUM HYDROSULPHITE 88%MIN
PACKING: 50KGS IRON DRUM WITH DOUBLE PLASTIC LINERS.
ITEM UNIT STANDARD ACTUAL DATA
Sodium Hydrosulphite % 88 min 88.2
Water insoluble % 0.1 max 0.06
Sodium thiosulfate: Na2S2O3 % 1.2 max 0.7
Sodium metabisulfite: Na2S2O5 % 5-7 6
Sodium bisulfite:NaHSO3 % 0.5 max 0.4
Sodium carbonate: Na2CO3 % 0.6-2 1.5
Sodium formate: HCOONa % 0.5 max 0.3
Zn % 0.0001 max 0.00009
Fe % 0.005 max 0.004

CERTIFICATE OF ANALYSIS

Product: Methylene Chloride No.ï¼?NBJHJL-11-J-021
Sampling date 2-Feb-2023 Sample source Drums
Analysis date 2-Feb-2023 Executive criteria HG/T 4117-2008
Batch No. 024230201 Quantity 21,600kg
Manufacturing date 1-Feb-23 Expiry date 1-Feb-24
Description Technical specification Result
Top quality High quality Qualified
Appearance Colorless and clear liquid Conform
Purity, % 99.90 99.50 99.20 99.99
Moisture, % 0.010 0.020 0.030 0.0019
Acidity (as HCL), % 0.0004 0.0004 0.0008 0.0000
Chroma APHA (Pt-Co) 10 10 10 5
Mass fraction of evaporated residue % 0.0005 0.0005 0.0010 0.0001
Conclusion: Meet the requirements of Top quality

PRODUCT NAME: SODIUM METABISULPHITE
PRODUCTION TIME: FEB, 2022
EXPIRY TIME: FEB, 2023

ITEM SPECIFICATION TEST RESULT
Na2S2O5 content : 97%min 97.6%
Heavy metals (as Pb) : 0.001%max 0.0001%
Iron (Fe) : 0.003%max 0.0015%
Water insoluble : 0.05%max 0.01%
Sodium Chloride (NaCl): 0.05% max 0.045%
Arsenic (As) : 0.0002%max 0.0001%
PH Value : 4.0-4.6 4.5

Chemical formula: NH4HCO3
CAS� NO.: 1066-33-7
H.S. CODE: 28369940
COUNTRY OF ORIGIN: CHINA


Ammonium bicarbonate
ï¼?FOOD GRADEï¼?

ITEM Standard Result
Total Alkalinity(NH4HCO3) % 99.2-100.5 99.36
Chloride(Cl) % â?¤ 0.003

Content 70 Batch NO. 16132
Quality standard National standard CAS No. 16721-80-5
Items Standards Result
NaHS 70.0% 70.56%
Na2S%   2.50 % 1.33%
Na2SO3% 1.0 % 0.91%
Fe% 0.002% 0.001%
Na2CO3 2.0 % 0.53 %
Water insoluble% 0.2% 0.05%
Conclusion (QUALIFIED)

TESTING ITEM INDEX RESULT
Aluminum Oxide AL2O3Content 28.0%MIN 28.2%
Basicity 30.0%-95.0% 80%
PH value 1% aqueous solution 3.5-5.0 4.0
Water insoluble matter 1.5%MAX 1.2%
Fe Content 3.5%MAX 2.0%
As Content 0.0005%MAX 0.0005%
Pb Content 0.002%MAX 0.002%
Cd Content 0.001%MAX 0.001%
Hg Content 0.00005%MAX 0.00005%

PP yarn grade has excellent tensile properties and good processability. It is principally in the
production of plastics woven products. Products made from this resin are water, repellent resistant to corrosion, mildewing, abrasion and have long service lives.

DESCRIPTION PVC RESIN PRODUCTION DATE:OCT 19,2023
TYPE SG5 INSPECTION DATE:OCT 19,2023
ITEM INDEX VALUE
REQUEST INDEX
K-VALUE 68-66
VISCOSITY NUMBER ml/g 118-107
NUMBER OF IMPURITY PARTICLE/ 900cm2 Max 30
APPEARANCE DENSITY g/ml Min0.45
RESIDUAL AFTER SIEVE 0.250mm % Max2
0.063mm % Min 90
NUMBER OF GRAIN /400cm2 Max40
VOLATILE MATTER AND MOISTURE CONTENT % Max 0.4
RESIDUAL CHLORE THYLENE CONTENT mg/kg PPM Max 10
THERMO STABILITY(WHITENESS DEGREE 160â?? 10min) % Min 75
PLASTICIZER ABSORBENCY VALUE OF 100g
PVC % Min 17