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维卡 heat resistant degree vicat softening temperature VSP
| Method | Load (N) | Heating Rate (°C/hr) |
|---|---|---|
| A50 | 10 | 50 |
| B50 | 50 | 50 |
| A120 | 10 | 120 |
| B120 | 50 | 120 |
| methods | negative 荷(N) | rise temperature speed rate (掳C /人 force 资源) |
|---|---|---|
| A50 | 10 | 50 |
| B50 | 50 | 50 |
| A120 | 10 | 120 |
| B120 | 50 | 120 |
property 质: also 称维卡 soft 化点. table/sheet 示 plastics heat resistant property types methods, experiment/testing 时, will or plastics sheet/slice 以50℃/ small rise temperature speed rate add hot. use 截面积 is 1平方 mm 圆柱形针垂直 pressure sheet/slice, in 1公斤 or 5公斤 载荷 lower to 1 mm deep degree temperature degree. used for testing has melting point polyvinyl chloride (PVC), polystyrene (PS), has machine 玻璃, fiber plastics and other thermoplastic property plastics heat resistant property.
scope/range:
in Vicat softening temperature temperature degree flat-ended针穿透标本1 mm deep degree in negative 荷. 反映 一 temperature degree 点 期望时, soft material is used for high temperature application.
testing 程序:
一 testing 标本置于 testing 仪针, has it surface less 1 mm advantages. large 堆10 N or 50 N is used for 标本. 一 标本然 rear to 一 油浴室 in 23 degree 一 浴缸里 speed degree improve/increase 50° or 120°C to small 时1 mm.A穿透
样本 large small:
测 Sample product must in 3 and thick 6.5 mm,至 less 10 mm, wide degree and long degree. 一 不 ultra- 三层 can can by 堆放thickness.A取 most low
data:
in soft experiment/testing temperature degree 决定针1 mm.A穿透
