COBB Tester for the water absorption of paper and paperboard

Product Details

Product Description

Product Description
COBB-01 COBB Tester
Application
COBB-01 COBB Tester is used for assessing the water absorption of paper and paperboard through the Cobb method. It proves effective in sizing paper and determining water absorption on cardboard surfaces, but it is not recommended for use on basic paper or embossed paper with a basis weight below 50g/m², having low sizing degree, or exhibiting numerous pinholes. Additionally, it is not suitable for assessing unsized paper and cardboard accurately, nor does it provide an accurate evaluation of the writing performance of paper or cardboard.
The Cobb tester evaluates the water absorption capability of paper or cardboard surfaces. The Cobb value represents, under specific conditions and within a specified timeframe, the mass of water absorbed by the carton board surface per unit area, expressed in grams per square meter (g/m²).
COBB Value
Cobb value is the calculated mass of water absorbed in a specified time by 1 m² of paper or board under specified conditions
Benefits
● Stainless steel made
● Standard conformed metal roller
Standards
GB/T1540, ISO 535, QB/T1668, TAPPI T441
Main Parameters

COBB-01
Test Area	100±0.2cm²
Water Consumption	100±5ml
Metal Roller Width	200±0.5mm
Metal Roller Weight	10±0.5kg
Dimension	（396*315*300）mm LWH
COBB Sample Cutter
Sampling Diameter	Ø125mm
Sampling error	±0.2mm
Sampling Thickness	（0.1～2.0）mm
Dimension	(250*280*450) mm LWH

---

>> Best selling new products side gusset biodegradable coffee bag packaging
>> Reasonable price big newborn feeders dog cats manual pet elevated water ceramic drinking bowl logo set wood rock stand
>> Outdoor Livestock Brass Material Automatic Piglet Nipple Waterer for Pig
>> 5 kVA Industrial Online UPS (15 Minutes Backtime)
>> Comfast Bt4.2 1300Mbps WiFi Adapter CF-927bf Network Card Bluetooth Adapter
>> Concrete Epoxy Floor Hand Grinding Tools Polish Machine Holder
>> Reusable Moving Strong Container Plastic Stackable Collapsible Turnover Plastic Foldable Crates for Fruits and Vegetables Supermarket Usage
>> Chicken Cages/Poultry Equipment/Broiler Feeding Lines/Poultry Houses
>> 5 Year Warranty Aluminium AC100-277V PF>0.95 150lm/W 150W 200W IP65 LED Flood Light
>> Shelf Glass
>> Dtl Copper Aluminum Wire Connector Cable Termination Lug Round Bimetal Lug Hardware
>> Helix Transfer Water Suction & Delivery Hose Corrugated Food Grade PVC Reinforced Spiral Suction Hose
>> USB 3.0 5gbps Screw Locking Male Female Port 9 Cores Cable for Car Truck Motorcycle Charge Data Extension Cable
>> Unique Pumpkin Design Double Wall Glass Bowl for Candle
>> Amazon Hot Novelty Gifts Interactive Toys Intelligent Electronic Pet Toy for Kids
>> 10.1 Inch Business Home Dual WiFi SIM Card Octa Core 4G Dual WiFi 6000mAh Android 9.0 Calling Brand Tablet PC Tabletas
>> R2E225 mm E-B-M Cheap Substitutes Air Blower Cooler Powerful Centrifugal FanSpecial centrifugal fan
>> Factory Price High Quality Fertilizer Rotary Screen Topsoil Trommel Screen Rotary Screen
>> Glitter Shining Colors Chenille Stem Classpack -Wire Pipe Cleaner
>> NEW EATON MOELLER NZMB1-A125 Molded Case Circuit Breaker