HFS(R) 200 ML Porcelain Buchner Funnels

Description

200 ML Porcelain Buchner Funnels
SKU: DIS-PBF-200ML
Diameter:80MM
The surface of the funnel is smooth and without burr 70pcs/ box
A single bubble film package
Product description
FUNNELS,Glazed porcelain Buchner funnel for fast filtration. BUCHNER, PORCELAIN Buchner funnel with fixed perforated plate, glazed both inside and outside with the exception of the top rim. Due to its inherent properties, Porcelain Labware is widely used in the chemistry laboratory. It has excellent resistance to all reagents except hydrofluoric acid, and is highly resistant to thermal shock while having a very low coefficient of expansion. The average coefficient of expansion from 20° to 200°C is 3.56 x 10-5 gradually increasing to 4.69 x 10-5 at 1000°C. To prevent thermal stress cracks on porcelain ware do not exceed a heating/cooling rate of 200°C per hour.
To prolong the life of porcelain products:Avoid contact of heated ware with a cold surface. Carefully inspect labware prior to each use and do not use any product that appears defective. To prevent thermal stress cracks on porcelain ware do not exceed a heating/cooling rate of 200°C per hour.
Product features
• Material: Porcelain
• Filter Paper Diameter (mm): 70
• Capacity (mL): 200
• Overall Height (InchShort): 13.875
Product features
• Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5
• Gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is heat tested in our factory
• Glaze - No softening occurs up to 1000°C, and it is extremely white
Resistance to Chemical Action - Resistance to acids and alkalies is excellent, except for hydrofluoric acid.
Orders will be shipped from our Los Angeles warehouse or by one of Amazon's Fulfillment Centers around the US (depending on the item).
Most orders will arrive in 7 business days or less, expedited shipping is not available at this time.
Orders over a certain dollar amount will be insured and sent signature required.
CANCELLATION NOTICE: Please be sure your address is correct before placing your order! Many of our products are warehoused/shipped on our behalf by Amazon, they will not accept address changes or cancellations.
We require immediate payment through PayPal for all eBay listings.
RETURNS
30-Day Free Returns means we don't charge a restocking fee. Return shipping is not provided.
All items include a HFS Limited Warranty. Warranty perdiod varies by product, please contact us for specifics.