Supplier : Environmental test chamber, climatic test chamber, temperature humidity test chamber, walk in temperature humidity test chamber, drive in temperature test chamber, ageing test oven, 2 zone thermal shock test chamber, 3 zone thermal shock test chamber, salt spray test chamber.
-Brand: Labtek
-Mode: LT-TS2 series
-Volume: 50L ~ 1000L
-Thermal shock temperature range:-65+150°C
-Temp fluctuation: within ±0.5 deg C
-Temp deviation: Within±2.0°C
-More details, check with sales at labtek-inst dot com
-Direct design and manufacture in Chinese factory, 1set free design, customize at most competitive price.
-Brand: Labtek
-Mode: LT-TS3 series
-Volume: 70L ~ 300L
-Thermal shock temperature range:-65°C+150°C
-Temp constancy: within ±0.5 deg C
-Temp tolerance: ±2.0°C
High temperature zone
-Pre-heat temp range: 60°C to 180°C
-Rate of rise of temp: 60°C to 180°C within 60 min
Ambient temperature zone
Low Temperature Zone
-Pre-cool temp range: -75°C+20°C
-Cooling rate: +20°C -75°C Within 95 min
-Recovery time: Within 5 min
-More details, check with sales at labtek-inst dot com
-Direct design and manufacture in Chinese factory, 1pc free design, customize at most competitive price.
-Brand: Labtek
-Model Number: L-VTH series
-Function: Temperature, humidity, Combined with Vibration
-Volume: 500L ~ 2000L
-Temperature range:-70 to 180C
-Ramp rate: 1C/min,3C/min,5C/min, 10C/min,15C/min,
-Humidity range: 20%RH~98%RH, 10%RH~98%RH for optional
-More details, check with sales at labtek-inst dot com
-Free design of Temperature Humidity Vibration chamber to cooperate with any existing vibration system
-Direct design and manufacture in Chinese factory, 1pc free design, customize at most competitive price.
-Brand: Labtek
-Model Number: L-FTH series
-Function: Temperature, humidity
-Volume: From 400L to 50m3
-Temperature range:65C+150C
-Ramp rate: 3C/min,5C/min, 10C/min,15C/min,
-Humidity range: 20%RH~98%RH, 10%RH~98%RH for optional
-More details, check with sales at labtek-inst dot com
-Direct design and manufacture in Chinese factory, 1pc free design, customize at most competitive price.
Model Number: L-BATH series
Function: For testing small, middle, large sized battery
Volume: 30L 1500L
Temperature range:-70 180 C
Humidity range: 20%RH~98%RH
Hazard Level: Designed to meet the safety functions of EUCAR hazard level up to 6.
Standards: Battery Test Chambers meet IEC, UL and a variety of other battery test specifications.
Equipped with safety functions that protect again fire and bursting of the battery, including a Magnetic lock, pressure relief vent, forced exhaust and fire extinguisher.
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
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.
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.