https://www.avient.com/resources/safety-data-sheets?page=3383
X ET-32473-523-1-1 blk
BLUE WHITE ABS 4
X CPE 240-001-9
https://www.avient.com/sites/default/files/resources/Novel_Thermoplastic_Elastomers_with_Universal_Bonding_Characteristics.pdf
TPE-1A peel adhesion
0
1
2
3
4
P
ee
l s
tr
en
g
th
:
N
/m
m
190C 205C
220C 235C
D040W6 Lexan 141 Cycolac NA1000
3 . 1
2 . 8 2 . 8
2 . 6
2 . 1
2 . 4 2 . 4 2 . 4
1. 9
2 . 1 2 . 1
1. 9
7
Figure 5.
TPE-1B peel adhesion
0
1
2
3
4
5
P
ee
l s
tr
en
g
th
:
N
/m
m
190C 205C
220C 235C
D040W6 Lexan 141 Cycolac NA1000
4 . 3
4 . 1
4 . 0
3 . 8
2 . 9
3 . 3
3 . 1
2 . 8 2 . 8 2 . 9 2 . 8
2 . 4
Figure 6.
TPE-1B peel adhesion
0
1
2
3
4
5
P
ee
l s
tr
en
g
th
:
N
/m
m
25mm/sec 38mm/sec
51mm/sec 64mm/sec
D040W6 Lexan 141 Cycolac NA1000
2 . 9
2 . 92 . 92 . 93 . 1
3 . 8
4 . 04 . 0
3 . 8
2 . 82 . 82 . 8
8
Figure 8.
https://www.avient.com/investor-center/investor-news/archives?page=26
CLEVELAND, Jan. 4, 2018 /PRNewswire/ -- PolyOne Corporation (NYSE: POL), a leading global provider of specialized polymer materials, services and so
January 4, 2018
https://www.avient.com/resources/safety-data-sheets?page=3263
CN4A MED SOFT CERAMIC ADX5028-4%LDR
X ET-16003-04-2
X ET 2010-0024 Trans Blue T255-1-1
https://www.avient.com/resources/safety-data-sheets?page=7161
5% PB15:4 IN LLDPE SPD
X-AR-43717-4F-2 John Deere F9LA
X-AR-43717-6A-1 Higher Heat Artisan JD
https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/technical-bulletins/specific-gravity
To convert cubic inches to cubic centimeters, the conversion factor is 16.4 (in^3 x 16.4 = cm ^3 and 2.54 in = 1 cm).
The part volume would be 1.5 in^3 (5x3x0.100) or 24.6 cm^3 (1.5 x 16.4).
XL9070: 24.6 cm^3 x 0.89 = 21.8 g
G7970: 24.6 cm^3 x 1.18 = 29.0 g
https://www.avient.com/sites/default/files/2020-12/artisan-thermoplastics-nylon-processing-guide.pdf
Processing Guidelines
Base Resin PA6
Barrel Temperatures °F °C
Rear Zone 440–470 227–243
Center Zone 450–480 232–249
Front Zone 460–490 238–254
Nozzle 470–500 243–260
Melt Temperature 470–500 243–260
Mold Temperature 120–180 49–82
Pack and Hold Pressure 50–75% of Injection Pressure
Injection Velocity 0.5 in/s–3 in/s 13 mm/s–76 mm/s
Back Pressure 50–100 psi 3.4–6.9 Bar
Screw Speed 30–70 rpm
Cushion 0.25 in 6.35 mm
Drying Parameters 2–4 Hours @ 180°F 2–4 Hours @ 82°C
Moisture % Allowable 0.08–0.18%*
Screw Type General Purpose Screw
Screw Compression Ratio 2.0:1– 2.5:1
Screw L/D 20:1
Non-return Check Valve Free Flow Check Ring
Nozzle Type Reverse Taper
Clamp Pressure 2–3 Tons/in²
Barrel Capacity 30-80% of barrel should be used
* Avient suggests measuring moisture using a Karl Fischer method or Vapor Pro® moisture analyzer that titrates only for moisture.
Mold Design Recommendations
Gates
1.
For circular parts, full perimeter venting is recommended
4.
https://www.avient.com/sites/default/files/2021-12/avient-sarl-hungary-branch-register-extract-2021-12-07.pdf
Seat of the company
5/1. 9027 Győr, Mandulafa sor 3.
Data on the person or body entitled to represent the foreign enterprise
3/1.
Start of legal relationship: 2019/02/27
Date of change: 2019/02/27
Date of registration: 2020/02/13 Published: 2020/02/15
Effective: 2019/02/27 ...
3/4
3/5.
https://www.avient.com/sites/default/files/2020-09/gravi-tech-processing-guide-chinese.pdf
4.
检查热电偶和加热圈
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增大浇口尺寸,以增大流速,降低模压应力
缩痕
塑件太厚 减小壁厚 减小加强筋厚度
熔体太热
降低喷嘴和料筒温度
降低模具温度
材料量不足
增加射胶量
提高注塑速度
提高升压压力
增大浇口尺寸
问题 原因 解决方案
6 Gravi-Tech
问题解决建议(续)
飞边
注塑压力过高
降低注塑压力
提高锁模压力
降低注塑速度
增加转换位置
材料量过多
降低升压压力
减少射胶量
降低注塑速度
熔体和/或模具太热
降低喷嘴和料筒温度
降低模具温度
降低螺杆转速
焦化
熔体和/或模具过热
降低喷嘴和料筒温度
降低模具温度
降低注塑速度
模具设计 清洁排气口,扩大并增加排气口数量 增大浇口尺寸或浇口数量
水分 验证材料在适当条件下是否干燥
喷嘴流延 喷嘴温度过高
降低喷嘴温度
降低背压
增加螺杆减压
验证材料已在适当条件下干燥
熔合缝
熔体前段温度过低
提高升压和保压压力
提高熔体温度
扩大排气口,增加排气口数量
提高注塑速度
提高模具温度
模具设计
降低注塑速度
增大浇口尺寸
执行欠注以确定充填模式,并验证正确的排气口位置
增加排气口和/或临时顶针
改变浇口位置
问题 原因 解决方案
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https://www.avient.com/sites/default/files/2021-10/microbial-susceptibility-of-various-polymers-and-evaluation.pdf
Only polyamide-6 exhibited a nota-
ble change in fungal growth from trace (rating = 1) to
heavy (rating = 4) when comparing smooth and textured
surfaces, respectively.
REFERENCES
[1] S.
Tiller, Polymers 2012, 4, 46.
[15] K.