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US $3.7-4.1 / Pieces | 6000 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
CAS NO. 56960-91-9
20000 Piece/Pieces per Week
Packaging & Delivery
Packaging Details
1. Disposable steel cylinder (size: 75X280mm; NET: 16 OZ; 12 pcs /CTN, 17004 cyls per 20ft container).
2. Cylinder should be stored in cool, dry and ventilated place.
Lead Time :
30 days

Mapp gas is a mixture of various hydrocarbons, principally, methylacetylene , propadiene and Propane(MAPP). It produces a relatively hot flame (2,976°C) with a high heat release in the primary flame (inner cone) (15,445kJ/m 3 ), less than for acetylene (18,890kJm 3 ) but much higher than for propane (10,433kJm 3 ).


The secondary flame (outer cone) also gives off a high heat release, similar to propane and natural gas.


The combination of a lower flame temperature, more distributed heat source and larger gas flows compared with acetylene results in a substantially slower pierce time.





Welding gas physical and chemical property:


1. Its diameter is 75mm, height 267mm and gross weight 980g, convenient for holding and carrying.
2. The welding temperature can reach 1350°C and the burning temperature can reach 1980°C
 under condition of anaerobic combustion-supporting.
3. The burning time can be gotten 2 hours and 40 mins continuance under normal working circumstance.
4. It guarantees you good jointing and shorter working time because of its scientific blend proportion and favorable flame characteristic.



Hangzhou ELK Refrigerant High-Tech Co., Ltd. is located in the picturesque Taihuyuan Town at the west suburb of Hangzhou. We are about 40km away from Hangzhou, 200km away from Huangshan, Anhui and 200km away from Shanghai. Our company enjoys very convenient transportation. 

We have a practical workshop of 15,000 square meters and specialize in manufacturing the substitutes of CFC and other refrigerants and welding & brazing gases (MAPP gases). We have advanced development technologies and talents. We advocate environmental protection engineering, so we develop and promote advanced and environmentally friendly products. 

We scrupulously abide by the concept of "providing users with good quality products and lifelong services". We are trusted and supported by all users. At present, our leading products are environmentally friendly refrigerants, such as R600A, R134A, R1270, R290, R401A, R402B, R406A, R408A, R409A, R415B, R417A and R507 and welding & brazing gases (MAPP gases). Our company has won a high reputation in the industry. 

Our management aim is "Scientific Management, Quality First, Honest Business, Client First and Continuous Innovation".