Pentaerythritol
l Monopentaerythritol content ≥ 93-95%
Hydroxyl content ≥ 47%
Heating loss ≤ 0.5%
Ash ≤ 0.1%
Coloring degree ≤ 2
Pentaerythritol 98%
l Appearance white crystal
Purity ≥ 98%
Hydroxyl content ≥ 48%
Heating loss ≤ 0.2%
Ash ≤ 0.05%
Coloring degree ≤ 1
Dipentaerythritol
Dipentaerythritol content ≥ 85%
Single-pentaerythritol content ≤ 3%
Three pentaerythritol content ≤ 8%
Hydroxyl content of 38-40%
Loss on drying≤ 1.0%
Ash ≤ 0.05%
Coloring degree ≤ 2
|
项目
Item |
指标
Specification | |
|
70级
Level |
60级
Level | |
|
叁季戊四醇含量%≥
Tri-PE wt% |
70.0 |
60.0 |
|
单季戊四醇含量%≤
Mono-PE wt% |
10.0 |
12.0 |
|
双季戊四醇含量%≤
Di-PE wt% |
17.0 |
12.0 |
|
羟基%≥
Hydroxyl value |
33.0 |
33.0 |
|
加热减量%≤
Moisture wt |
1.0 |
1.5 |
|
灰份%≤
Ash wt |
3.0 |
3.5 |