China Si-TPV 3510-65A Exceptional Aesthetics Thermoplastic Silicone-Based Elastomers Manufacture and Factory

Si-TPV 3510-65A Exceptional Aesthetics Thermoplastic Silicone-Based Elastomers

SILIKE Si-TPV® thermoplastic elastomer is a patented dynamic vulcanized thermoplastic silicone-based elastomer which made by a special compatible technology to help silicone rubber dispersed in TPU evenly as a 1~3 micron particles under microscope.Those unique materials combine the strength,toughness and abrasion resistance of any thermoplastic elastomer with desirable properties of silicone:softness,silky feel,UV light and chemicals resistance which can be recycled and reused in traditional manufacturing processes.

Si-TPV®3510 series shows excellent skin-friendly touch and stain resistance in the field of wristbands and bracelets, no precipitation, no stickiness after aging.

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Description

SILIKE Si-TPV® thermoplastic elastomer is a dynamic vulcanized thermoplastic silicone-based elastomer which made by a special compatible technology to help silicone rubber dispersed in TPU evenly as a 1~3 micron particles under microscope.Those unique materials combine the strength,toughness and abrasion resistance of any thermoplastic elastomer with desirable properties of silicone:softness,silky feel,UV light and chemicals resistance which can be recycled and reused in traditional manufacturing processes.

Si-TPV®3510 series shows excellent skin-friendly touch and stain resistance in the field of wristbands and bracelets, no precipitation, no stickiness after aging.

Applications

Suit for portable electronic cases, such as wrist band, bracelets, and other wearable electronic devices

3510 series

Test	Property	Unit	Result
ISO 868	Hardness (15 seconds)	Shore A	66
ISO 1183	Specific Gravity	/	1.19
ISO 1133	^{MI10kg&190°C}	g/10min	22.4
ISO 37	MOE	MPa	4.98
ISO 37	Tensile Strength	MPa	21.53
ISO 37	Constant tensile strength(100% strain)	MPa	2.09
ISO 37	Constant tensile strength(100% strain)	%	94.0
ISO 37	Elongation at break	%	1041
ISO 34	Tear Strength	KN/m	56.49
ISO 815	Compression Set22hours @23℃	%	24

Benefits

1.Soft silky feel.
2.Good scratch resistance, Stain resistance.
3.No plasticizer or softening oil.
4.Easy to release mold, and easy to handle.
5.Excellent bonding performances.
6.Secondary processing: can carve all kinds of patterns, and do screen printing, pad printing, spray painting.
7.Hardiness：55A-90A， high resilience.

3100 series

Injection Molding Processing Guide

Drying Time	2-6hrs
Drying Temperature	80-100℃
1 Zone Temperature	160-180℃
2 Zone Temperature	170-180℃
3 Zone Temperature	170-190℃
4 Zone Temperature	180-190℃
Nozzle Temperature	180-190℃
Melt Temperature	170℃
Mold Temperature	20-40℃
Injection Speed	Middle

These process conditions may vary with individual equipment and processes.

Secondary Processing

As a thermoplastic material, Si-TPV® material can be secondary processed for ordinary products

Injection Molding Pressure

The holding pressure largely depends on the geometry, thickness and gate location of the product. The holding pressure should be set to a low value at first, and then slowly increase until no related defects are seen in the injection molded product. Due to the elastic properties of the material, excessive holding pressure may cause serious deformation of the gate part of the product.

Back pressure

It is recommended that the back pressure when the screw is retracted should be 0.7-1.4Mpa, which will not only ensure the uniformity of melt melting, but also ensure that the material is not severely degraded by shear. The recommended screw speed of Si-TPV® is 100-150rpm to ensure the complete melting and plasticization of the material without material degradation caused by shear heating.

Handling Precautions

A desiccant dehumidifying dryer is recommended for all drying.

Product safety information required for safe use is not included in this document. Before handling, read product and safety data sheets and container labels for safe use, physical and health hazard information. the safety data sheet is available on the silike company website at siliketech.com ,or from distributor,or by calling Silike customer service.

Shelf life and storge

Transport as non-hazardous chemical. Store in a cool , well ventilated place. Original characteristics remain intact for 24 months from the production date , if kept in recommend storage.

Package

25KG / bag , craft paper bag with a PE inner bag

Limitations

This product is neither tested nor represented as suitable for medical or pharmaceutical uses.

Limited Warranty Information

The information contained herein is offered in good faith and is believed to be accurate. However, because conditions and methods of use of our products are beyond our control, this information should not be used in substitution for customer’s tests to ensure that our products are safe, effective, and fully satisfactory for the intended end use. Suggestions of use shall not be taken as inducements to infringe any patent.

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