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Pulp Board Paper Making Felt

Supplier From China
May-29-17

Pulp board paper making felt is designed for all kinds of pulp machine to produce pulp board.

Includes BOB Pulp felt, BOM pulp felt and Anti-Corrosion Pulp felt.
BOM Pulp felt includes single layer, double layer, triple layer pulp board felt.

It processes with good flexibility, high linear pressure, good filtration, anti-corrosive and good durability etc.

Price and Minimum Quantity

Price: $24
MOQ: Not Specified

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The paper board expanding and cutting machine is used for the end customers of corrugated box (color box), and it is used as the filling or cushioning material in the packaging in the manufacturing industry; Such as precision instruments, meters, electrical appliances, ceramics, glass, crafts, furniture and other industries. It can deal with irregular waste cardboard, unqualified cartons, color cartons and cartons, with or without printing, and can solve the thorny problems of enterprise managers. Paper products, recycling, no pollution sources; The state explicitly forbids "non degradable products" as filling materials, which can be used as substitutes for some chemical products.
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The unique technology turns the corrugated boxes that need to be discarded into "free" soft and fluffy green packing filling materials, and is used in the transportation packaging of fragile goods;
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Commodity: Sodium Hydrosulfite
Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate
CAS No.: 7775-14-6
Molecular Weight: 174.10
Chemical Formula: Na2S2O4

Product Description
Appearance: White, crystalline powder.

Product Feature
Odor: Slight irritative.
Specific Gravity: Unavailable
Solubility: Soluble in water.
Density: 2.19
pH: 6-7
pH Test-Method: PH test paper.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: Not applicable.
Melting Point: >300 C Decomposes.
Vapor Pressure (mm Hg): No information found.
Bulk Density: ~0.9
Evaporation Rate (BuAc=1): No information found.

Application
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps.
3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. in mineral, the compound of thiourea and other sulphides.
5. as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.

Packaging 50kg/100kg net in iron drums with double PVC bags

Product Specification/Models
NDEX 90%, 88%, 85%. FOOD ADDITIVE
Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal
calculated as Pb, 1ppm
Water Insolubles05%
Shelf Life(month)12
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Commodity: Sodium Bisulfite
Molecular Formula: NaHSO3
Molecular Weight: 104.06

Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide.

Quality Standard: HG/T3492-80
Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1
NaHSO3 % 99.5
Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05
Chloride(Cl) % 0.003, 0.004
Iron(Fe) % 0.001 0.002 0.005
Heavy metal(Pb) 0.001
Arsenic(As) % 0.0001
Clarity test Qualified

Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants.

Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc.

Net wt.: 25/50/1000 kgs/bag or upon clients' request.
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Commodity: Sodium Metabisulphite
Molecular formula:Na2S2O5
Molecule Weight:190.10
H.S code:28321000
CAS:7681-57-4

Product Features
Appearance : White Or Light Yellow Crystal Powder
Odour: Sulfur Dioxide
Taste : Salty
Melting Poing : 150
Specific Density1.48
Ph : 4.0-4.6
Solubility : Soluble In Water ,insoluble In Alcohol

Application:
1. For industry
Mordant of printing and dyeing; Dechlorinate of textile after bleaching;
Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water; Rubber solidifying agent ;Perfume industry is served as hydrocarbon perfume aldehyde ;
The hide profession employ to do to molt dose and pliable dose and wearproof dose ,The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.
2.For food additive
Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned foodbrews, the cereals food is defended storage etc);Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Specifications:
Na2S2O5 97% min
SO2 65% min
Fe 0.0015% max
water-Insoluble 0.01% max
As 0.0001% max
PH 4.0-4.6

Packing and Storage
Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg/1200kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.

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