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Liquid silicone rubber injection molding machine for medical mask

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  • Product Detail
Clamping Unit
Clamping Force130T
Opening Stroke250-550 mm
Tie-Bars Space500*580 mm
Ejection Force7.8 T
Ejection Stroke150 mm
Injection Unit
Shot Volume300g
Injection Rate30 g/s
Injection Pressure19.6 T
Pump Pressure21 Mpa
Motor Power12.1KW
Heater Power9 KW
Mould Orientation Ring DiameterΦ 100 mm
Machine Weight5.5T
Machine Dimension1.7*1.6*3.4 m

Vertical Liquid silicone rubber injection molding machine for medical laryngeal mask, oxygen mask

Closing the mould downward, two kinds of models can be chose – single sliding board and double sliding board. For double sliding board LSR machine, one upper moldboard and two lower moldboards are installed, which improves the production efficiency. The sliding out structure on the machine makes the production more conveniently and more safely. Also the vertical mould opening and closing is more suitable for producing the overmold (inmold) LSR parts which has inserts.

The main feature of the vertical LSR molding machine:

  • Advanced sliding rail structure, which can reduce the oil pollution and make the machine works faster and steadier.

  • Active pin valve-pattern nozzle sealing system, which can guarantee the injection more accurately.

  • Meet the requirements on multi-station production

  • High-performance servo motor system is installed, which can guarantee the machine work more accurately and more energy-savingly.

The vertical LSR machine for the applicable scope:

  1. Liquid silicone products, which can with the insert, as like the plastic part, steel part etc. As sample: silicone diving mask, electric silicone drum Stick, silicone handle, silicone vibrators etc..

  2. Liquid silicone medical part, as like the capsule, laryngeal mask capsule, oxygen mask, protective mast, catheter, balloon, medical belt etc.

  3. Silicone high-voltage cable accessories,

  4. Electronics and industrial product, such as the watchband, mobile phone case, valve, O-ring, sealing part, auto parts more.

  5. Sex products, such as the vibrating spear, sex toy coat, adult supplies etc.

LSR injection molding industry application

Maternal and baby industry: The safety and forming process of liquid silicone materials are non-pollution, and have been widely used in the production of silicone products such as nipples, pacifiers, teether , bottles, spoons, suckers, brushes and so on in the maternal and baby industry.

Medical industry: The good biological characteristics and high-quality forming technology of liquid silicone materials have been widely used in the silicone accessories such as catheter & the joint, gastric tube, laryngeal mask, mask, dental bracket, negative pressure ball, incision protective cover, balloon and so on in the medical industrial.

Electronics industry: The waterproof, elastic and high precision forming process of liquid silicone material has been widely used in the silicone parts such as joint waterproof seals, horn diaphragm, mobile phone case, watch belt, button, earphone and so on in the electronics industry.

Automobile Parts Industry: The high permeability and high efficiency production process of liquid silicone material has been widely used in the silicone accessories such as LED perspective mirror,spark plug protector, wire harness seal ,sealing strips in automobile parts industry.

Labor Protection Industry: The soft touch, odorless and stable forming process of liquid silicone material has been widely used in the protective masks, gas masks, anti-dust and haze masks, noise-proof earplugs, protective mirror frames and other silicone parts in the labor protection industry.


Kitchen and sanitary industry: The production of liquid silicone material with high and low temperature resistance, non-toxicity and high qualified rate has been widely used in the production of cake mold, chocolate mold, stir-frying shovel, sprinkler,  seal washer with pot cover and other silicone products in kitchen and sanitary industry.