Alloy flame retardant grade
| grade name | Purpose | |
|---|---|---|
| high flow | SK2706, SK2708 | Printer/copier exterior, LCD TV exterior, computer exterior, printer/copier internal parts |
| High rigidity | SK3730 |
Physical properties table
October 1, 2020
| Features |
flow standard |
high flow Shockproof |
Filler reinforcement High rigidity High dimensional accuracy |
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|---|---|---|---|---|---|---|
| Grade name | SK2706 | SK2708 | SK3730 | |||
| Test items | Unit | Measurement method | (Measurement method, conditions) | >PC+ABS-FR(40)< | >PC+ABS-FR(40)< | >PC+AS-(TD+PD)30FR(40)< |
| density | g/cm3 |
ISO 1183 (JIS K7112) |
1.21 | 1.19 | 1.43 | |
| Water absorption rate | ％ |
ISO 62 (JIS K7209) |
24h 50%RH | 0.1 | 0.1 | － |
| flow characteristics | ||||||
| Melt volume flow rate (MVR) | cm3 /10min |
ISO 1133 (JIS K7210) |
260℃ 2.16kg | 260℃ 2.16kg | 260℃ 2.16kg | |
| 20 | 25 | 8 | ||||
| Mechanical properties | ||||||
| Tensile (yield) strength *1 | MPa |
ISO 527-1,2 (JIS K7161, 7162) |
Y64 | Y64 | 74 | |
| Tensile fracture strain *2 | ％ | tB50 | tB50 | 1.5 | ||
| bending strength | MPa |
ISO 178 (JIS K7171) |
90 | 96 | 113 | |
| bending modulus | GPa | 3 | 2.9 | 9 | ||
| Charpy impact strength | kJ/ m2 |
ISO 179-1 (JIS K7111) |
With notch 23℃ |
10 | 10 | 3 |
| rockwell hardness | － |
ISO 2039-2 (JIS K7202-2) |
R scale /M scale |
－ | － | － |
| thermal properties | ||||||
| Load deflection temperature | ℃ |
ISO 75-1,2 (JIS K7191-1,2) |
0.45MPa | 88 | 88 | － |
| 1.8MPa | 78 | 78 | 100 | |||
| Linear expansion coefficient | ×10-5/℃ | ISO 11359-2 | 5.8 | 6.5 |
(MD/TD) 2.3/4.5 |
|
| Molding shrinkage rate | ％ | Idemitsu method | 2mm MD | 0.4 | 0.34 | 0.17 |
| ％ | 2mm TD | 0.4 | 0.34 | 0.19 | ||
| Flammability/UL related standards, etc. | ||||||
| Combustion quality | mm thickness | UL94 |
combustion class /Minimum thickness |
V-1/0.58 V-0/1.0 5VB/0.8 |
V-1/0.9 V-0/1.5 5VB/1.2 |
V-1/1.5 (BK, NC) 5VB/2.0 (BK, NC) |
| Electrical characteristics | ||||||
|
Withstand voltage (Dielectric breakdown strength) |
kV/mm |
IEC 60243-1 (JIS C2110) |
36.3 | － | － | |
| arc resistance | PLC level | ASTM D495 | － | － | － | |
| Volume resistivity | Ω・cm | ASTM D257 | － | － | － | |
| relative dielectric constant | － | IEC 60250 | 1MHz | － | － | － |
| Dissipation tangent | － | 1MHz | － | － | － | |
| Standard molding conditions | ||||||
| cylinder temperature |
240～270℃ (Upper limit 280℃) |
240～270℃ (Upper limit 280℃) |
270～280℃ (Upper limit 290℃) |
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| mold temperature | 40～70℃ | 40～70℃ | 40～70℃ | |||
| Drying conditions |
80℃, 5-8 hours |
80℃, 5-8 hours |
80-100℃, 5-8 hours |
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For tensile yield stress, add Y in front of the number.
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For nominal tensile strain at failure, add tB in front of the number.
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The data presented in this document are representative of measurements obtained under specific conditions.
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The uses described in this document do not guarantee the results of applying this product to those uses.
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When using the product for the purposes introduced in this document, please be careful about infringing on industrial property rights (patent rights, utility model rights, design rights, trademark rights). (Our company is not responsible for infringement of industrial property rights.)
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It cannot be used for medical equipment or medical products.
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If the product is to be used for food utensils or packaging, please have our sales representative thoroughly confirm the compatibility of the applicable grade with relevant laws and regulations (Food Sanitation Law, etc.) before signing the delivery specifications. I will do it.
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It is the customer's responsibility to check the compliance of products processed by the customer with various laws and regulations using our products as raw materials.
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Please note that the contents of this document are subject to change without notice due to improvements.
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The flammability described in this document is an evaluation based on small-scale tests, and cannot be directly applied to the evaluation of danger in an actual fire.
When exporting, please be aware of the laws and regulations regarding chemical substances in the destination country.
For inquiries regarding the applicability of our products to individual laws and regulations, please contact HP's inquiry desk or sales representative.