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Low Temperature Brittleness Testing Machine ASTM D746
Low Temperature Brittleness Testing Machine ASTM D746

Low Temperature Brittleness Testing Machine ASTM D746

China Low Temperature Brittleness Testing Machine ASTM D746, Find details about China Low Temperature Brittleness Testing Machine, Rubber Testing Instrument from Low Temperature Brittleness Testing Machine ASTM D746

Model NO.
SX-DWC01
Power Supply
1∮, AC220V,50/60Hz
Power
5kw
Trademark
SEREV REAL
Transport Package
Wooden Case
Specification
SX-DWC01
Origin
China
HS Code
9031809090
Model NO.
SX-DWC01
Power Supply
1∮, AC220V,50/60Hz
Power
5kw
Trademark
SEREV REAL
Transport Package
Wooden Case
Specification
SX-DWC01
Origin
China
HS Code
9031809090
This testing machine is used to determine the brittleness temperature of non-hard plastics by Cantilever hammer impact test method. It can determine the impact embrittlement temperature and impact embrittlement threshold temperature when the damage degree reaches 50%.                                                                                     

Specifications
Volume & Weight
    1. Test trough size
18×57×15 cm
    1. Machine dimensions
75×90×145 cm
    1. Net weight
180kg
  1. Specifications
 
    1. Environment condition
The ambient temperature is +25ºC, and the relative humidity is ≤85%.
    1. Test standards
GB/T 15256-2014 Determination of low temperature brittleness of vulcanized rubber (multi-sample method)
ASTM D2137-2010 Flexible polymer and its coating fabric embrittlement point test method
GB/T5470-2008 Determination of Embrittlement Temperature of Plastic Impact Method
ASTM D746-2007 Test Method for Determining the Embrittlement Temperature of Plastics and Elastic Materials by Impact Method
GB/T 12584-2008 Rubber or plastic coated fabric Low temperature impact test
JIS K7216-1980 Test method for low temperature embrittlement of plastics
JIS K6261-2006 Vulcanized or thermoplastic rubber--Determination of low temperature characteristics
ISO 812-2006 Vulcanized rubber or thermoplastic rubber--Determination of low-temperature brittleness
ISO 974-2000 Plastics. Determination of brittleness temperature by impact method
    1. Temp. range
RTºC~-76ºC(Room temp. 25ºC)

 
      1. Temp. fluctuation
≤±0.5ºC
      1. Temp. deviation
≤±2.0ºC
      1. Temp. drop rate
RT→-76ºC ≤80min (average in full scale)-- Mechanical refrigeration
      1. Impact edge radius
1.6mm±0.1mm
      1. Impact rate
1.4-2.4m/sec(adjustable)digital display 0.0m/sec
200±20cm/s speed unchanged within 6mm range after impact
 
      1. Sample loading quantity
A type 15pcs*4 groups,  B type 4groups*5pcs
 
      1. Sample size
Sample A: L20±0.25mm* W2.5±0.05mm*T2.0±0.1mm             
Sample B: L31.75±6.35mm W6.35±0.51mm  T1.91±0.13mm         
      1. Clearance between impact head centerline and fixture
A Clamp 3.6mm±0.1mm   B Clamp 6.4±0.3 mm  
      1. Clearance between the outside of the impact head and the fixture
A clamp 2.0mm±0.1mm B clamp 8.0±0.3mm
      1. Jaw radius
4.0mm±0.1mm(A Clamp)
      1. Sample soaking time
5+0.5/-0 min or 3min+0.5/-0 min
      1. Heat tube
1.5kw
  1. Operation requirements
    1. Installation site
The ground is level and well ventilated
No strong vibration around the equipment
no strong electromagnetic field around the equipment
No flammable, explosive, corrosive substances and dust around the equipment
There is a drainage floor drain near the equipment
Ground load-bearing capacity of the site: not less than 800kg/m2
Leave proper use and maintenance space around the equipment.
    1. Ambient Conditions
Temp.:15ºC~35ºC
Relative humidity:≤85%
Air pressure:86kPa~106kPa
    1. Electricity supply





 		AC380V three-phase four-wire + protective ground wire
Allowable voltage fluctuation range: AC (380±38) V
Allowable frequency fluctuation range: (50±0.5) Hz
The grounding resistance of the protective earth wire is less than 4Ω; TN-S power supply or TT power supply
The user is required to configure an air or power switch with the corresponding capacity for the equipment at the installation site, and this switch must be independent for the use of the equipment
Total power: 5kW
Maximum current 20A

Low Temperature Brittleness Testing Machine ASTM D746

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