News- Shanghai Dengsheng Instrument Manufacturing Co., Ltd.

10 / 13

What Is a Muffle Furnace? Working Principle, Temperature Ranges, and Selection

Short answer: a muffle furnace is an electrically heated chamber furnace in which the heating elements sit outside a refractory-lined inner chamber, so the sample is heated mainly by radiation from ...

10 / 08

Types of Sintering Furnaces: A Complete Guide for Labs and Industrial Use

If your sintering runs produce inconsistent density, unwanted grain growth, or unpredictable shrinkage, the furnace type is often the first variable to examine. A sintering furnace does more than rea...

09 / 28

Thermal Processing Industry Guide: Equipment, Temperature Tolerances & Compliance

A batch furnace set to 650 °C that runs 628 °C at the door and 671 °C at the back wall is not dealing with a small calibration problem. Across a 45-minute soak, that spread decides whether a tool ste...

09 / 21

Salt Bath Heat Treatment: Process, Salt Types, Cost, and Safety Limits

At 1,050 °C, a rack of A2 tooling inserts lowered into molten salt reaches austenitizing temperature in roughly 60 to 90 seconds. The same rack in a cold-wall vacuum furnace needs 35 to 45 minutes. T...

09 / 14

How to Heat Treat Stainless Steel: Processes, Temperatures & Furnace Tips

A plant engineer once sent a batch of 304 stainless brackets through the same hardening cycle used for 420 stainless blades. The brackets came out unchanged in hardness, covered in heavy scale, and w...

09 / 08

Debinding and Sintering Furnace Guide: Process, Selection & Best Practices

The green part looks flawless: sharp edges, smooth surfaces, dimensions straight from the mould. Then it runs through a debinding and sintering furnace, and 24 hours later you find a hairline crack, ...

09 / 01

Debinding Explained: Thermal, Catalytic & Solvent Methods in MIM & 3D Printing

Your injection molded feedstock or binder-jetted metal part is not ready for the furnace yet. Debinding is the step that removes the binder system before sintering, and it directly affects whether yo...

08 / 24

What Happens to Inert Gases in a CVD Furnace Chamber? A Technical Guide

A process engineer opens the gas panel of a CVD reactor, sets the mass flow controller to 200 sccm of argon, and watches the chamber pressure settle at 5 Torr. Over the next two hours, roughly 24 sta...

08 / 17

How Temperature Uniformity Affects Oven Performance and Process Yield Rates

A pharmaceutical stability lab in Shanghai rejected an entire stability batch because its drying oven ran about 4 °C hotter at the rear shelf than the displayed value. The control sensor near the doo...

08 / 10

Multiple Temperature Options: The Definitive Lab Equipment Procurement Guide 2026

High-End Laboratory Equipment Manufacturer Technical Procurement White Paper Published: August 2026 By Laboratory Engineering Team 14 min read Executive Summary: Temperature Flexibility Defines La...

08 / 03

High-Precision Drying Ovens: Ultimate Guide to Precision Thermal Processing Technology

High-Precision Drying Ovens: The Complete 2026 Guide to Precision Thermal Processing Technology A comprehensive, data-driven analysis of temperature uniformity, recovery metrics, ROI calculations, an...

07 / 27

Explosion Proof Equipment: Safety & Technology Guide

At its core, explosion-proof equipment does not mean the device can withstand an external explosion without damage. Instead, the fundamental principle is containment and isolation. The equipment is e...