Description:
- Made of premium Rubber with good elasticity, smooth surface and hardwearing, due to high quality rubber.
- Applied singly or nested with adjacent sizes, reducing the risks associated with insertion and removal of glass stems through these rubber stoppers.
- 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.
- Resistance to acids and alkalies is excellent, except for hydrofluoric .
- Appliance:,scientific research experiment, and research, for decompression and filtration, use with filter bottles and filter paper.
Specification:
- Material: Premium Quality Rubber; Ceramics
- Color: as shown pictures
- Overall Size:
- #1: Top Diameter: 17mm/ 0.67 Inch; Buttom Diameter: 10mm/ 0.4 Inch
- #2: Top Diameter: 23mm/ 0.9 Inch; Buttom Diameter: 15mm/ 0.6 Inch
- #3: Top Diameter: 29mm/ 1.14 Inch; Buttom Diameter: 20mm/ 0.78 Inch
- #4: Top Diameter: 35mm/ 1.37 Inch; Buttom Diameter: 21mm/ 0.82 Inch
- #5: Top Diameter: 41.5mm/ 1.63 Inch; Buttom Diameter: 26mm/ 1 Inch
- #6: Top Diameter: 49mm/ 1.93 Inch; Buttom Diameter: 30.7mm/ 1.2 Inch
- #7: Top Diameter: 61.5mm/ 2.42 Inch; Buttom Diameter: 42.5mm/ 1.67 Inch
- #8: Top Diameter: 71mm/ 2.8 Inch; Buttom Diameter: 53mm/ 2 Inch
- #9: Top Diameter: 83.5mm/ 3.28 Inch; Buttom Diameter: 64.5mm/ Inch
- Funnel Size: (Approx. )
- Diameter: 40mm/1.57 ; Height: 65mm/2.56
Package Includes:
1 Set of Filter Adapter Cone Set
1 Piece Funnel (40mm）