Dimensions (WxDxH)
Length welding seam
Type
Weight
Width
Specifications
Compare modelsNTD 66,027
Inc. VAT
The Rische + Herfurth Table Welder Polystar 423 M is a high-quality impulse sealer designed for sealing polyethylene, polypropylene, cellulose, or polyamide films up to a thickness of 2 x 0.25 mm. This model features automatic cooling time control and a built-in magnet holder for hands-free operation, ensuring consistent and reliable seals. Ideal for laboratory and industrial applications, it offers durability and ease of use for various sealing tasks.
This table welder is an essential tool for professionals requiring precise and efficient sealing solutions in various settings.
NTD 66,027
Inc. VAT
Manufacturer P/N
120 145
Part Number
6.263 789
Manufacturer
RISCHE + HERFURTH
Dimensions (WxDxH)
720 x 120 x 135 mm
NTD 64,619
Inc. VAT
Manufacturer P/N
120 130
Part Number
6.803 166
Manufacturer
RISCHE + HERFURTH
Dimensions (WxDxH)
880 x 120 x 135 mm
It is a high-quality impulse sealer designed for sealing polyethylene, polypropylene, cellulose, or polyamide films up to a thickness of 2 x 0.25 mm. This model features automatic cooling time control and a built-in magnet holder for hands-free operation, ensuring consistent and reliable seals. Ideal for laboratory and industrial applications, it offers durability and ease of use for various sealing tasks.
_0.png&w=3840&q=75)
7 mins read
Cleaning laboratory glassware properly is essential for accurate, safe, and repeatable lab work. This guide explains how to remove stubborn residue from beakers, flasks, bottles, volumetric glassware, and other lab glassware, including grease, dried salts, biological residue, stains, and burnt deposits. It also covers safe cleaning methods, common mistakes, drying and storage tips, and when damaged glassware should be replaced.
7 mins read
Pipette calibration helps laboratories confirm that liquid handling results remain accurate, repeatable, and traceable. This guide explains how pipettes are calibrated to ISO 8655 standards, including gravimetric testing, environmental control, correct tip selection, volume testing, calibration records, and common mistakes to avoid. It also covers when to use in-house calibration and when an external calibration service may be more suitable.
9 mins read
A free molarity and dilution calculator covering four essential lab calculations: C1V1=C2V2 dilution (solve for any unknown), molarity from mass, mass from molarity, and serial dilution table generation. Includes worked examples, a concentration units guide and step-by-step preparation instructions for every result.
9 mins read
Free online buffer preparation calculator. Select your buffer system, enter target pH, concentration and volume, and get an exact lab-ready recipe with reagent masses and step-by-step instructions. Covers PBS, Tris-HCl, sodium phosphate, acetate, HEPES, MOPS and more.
_0.png&w=3840&q=75)
6 mins read
Laboratory balances are essential weighing instruments used to measure samples, reagents, powders, chemicals and materials with accuracy and consistency. They are commonly used in research, education, quality control, pharmaceutical testing, food testing, industrial laboratories and general scientific workflows.
NTD 66,027
Inc. VAT
