Phone case

Product description

HTPVSi is a kind of silicone rubber thermoplastic elastomer which is easy to process and shape. Compared with ordinary thermoplastic elastomer, HTPVSi has more excellent coating and unique human aesthetic touch, and has excellent mechanical properties, wear resistance, high and low temperature resistance.

 

Performance characteristics

Good mechanical properties, wear resistance, high and low temperature resistance, processability and silky touch, recyclable, green environmental protection. Excellent adhesion to polar substrates such as PC, ABS, nylon or non-polar substrates such as PE and PP.

 

Can be applied to mobile phone case.

 

Typical physical properties

Physical PerformanceTypical valueUnitTest Method
Hardness (5S)75Shore AASTM D-2240
Specific gravity1.12g/cm3ASTM D-792
Melt index (190 ℃/5kg)11.4g/10minASTM D-1238
Tensile strength26.4MPaASTM D-412
Elongation at break704%ASTM D-412
Tear strength74kN/mASTM D-624
Taber abrasion mm3DIN-53516
Compression set (22h/23 ℃)16%ASTM D-395
Compression set (22h/70 ℃)58%ASTM D-395

The above values are only representative reference values and are not used as quality inspection standards.

 

Forming conditions

Screw back zone temperature170-190 ℃
Screw middle zone temperature190-200 ℃
Temperature in front area of screw200-215 ℃
Nozzle temperature175-205 ℃
Screw speed30-120rpm
Screw length-diameter ratio20:1-26:1
Mold temperature20-50 ℃
Processing melt temperature200℃
Injection temperaturemedium to fast

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The forming conditions in the table are for reference only! The specific molding process depends on the specific product of the customer!

Key words:

Phone Case

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