日晒牢度提升剂MC-500
由日本旭硝子株式会社针对车辆内部的装饰材料的耐光牢度要求非常严格而开发的产品，加工时除了对染料进行选择外，一般还使用紫外线吸收剂来提高耐光牢度。
MC-500 是为了提高普通涤纶及阳离子可染涤纶纤维（CDP）的耐光牢度而开发的产品，可以在染色时同浴处理。
一、物化性能
外 观 淡黄白色液状
离 子 性 阴离子
pH值 约 7（原液）
溶 解 性 易稀释分散于水中
二、使用方法
1．浸轧工艺
用 量： 30-50g/L
轧液率 ： 60-80％ (取决于纤维)
工 艺：浸轧（一浸一轧） → 130-150℃烘干
2．浸渍工艺
使用浓度根据染料种类，染色浓度，纤维种类、形状和要求的性能而异，一般标准为 1.0%（o.w.f.）。
产品性能
1. 与分散匀染剂的拼用性能良好，不会产生焦油等问题。
2. 由于不易发生过滤沉积问题，因此也适用于筒子纱和经轴染色机染色。
3. 也能够在碱性染色中使用。
注意事项
1. 请务必搅拌后使用。
2. 使用后请密闭容器盖，防止异物混入和产品干燥。
3. 本品为紫外线吸收剂。与荧光染料拼用时可能会出现荧光消色问题，请先做试验确认后使用。
贮 存
包装：18KG 铁桶，贮存期为 12 个月。
室内存放，开封后尽快用完。如果没有用完，请盖紧防止产品受潮或混入异物。
HOLPOSON® MC-500
Requirements on the color fastness to sunlight of the interior decoration materials in vehicles are strict. In addition to careful selection of dyes, ultraviolet absorbers are also generally used to improve the color fastness to light.
MC-500 is a product developed to improve the color fastness to light of common polyester and cationic dyeable polyester fiber (CDP). It can be used in the same bath during dyeing.
Physical & chemical properties:
Appearance: Light yellow white liquid
Ionicity: Anionic
pH: About 7 (original solution)
Solublility: Easily dilutable and dispersable in water
Usage:
1.padding method
Dosage： 30-50g/L
Liquid retention rate: 60-80% (depending on fiber type)
Processing：dip and roll at once→ drying at 130-150℃
1. Impregnation process
The concentration varies according to the dye type, concentration, fiber type/shape and required performance. The general standard is 1.0% (o.w.f.).
Characteristics:
1. It has good performance in combination with dispersing and leveling agent and will not cause problems such as tar.
2. Because it is not easy to cause filtration and sedimentation problems, it is also suitable for dyeing cheese and beam dyeing machines.
3. It can also be used in alkaline dyeing.
Attentions
1. Be sure to use after stirring.
2. After use, keep the container lid tightly closed to prevent foreign matter from mixing in and the product from drying out.
3. This product is an ultraviolet absorber. When it is used with fluorescent dyes, there may be a problem of fluorescence decolorization. Please do a test to confirm it before use.
Storage：
Packing: 18KG iron drum, storage period is 12 months.
Store indoors and use up as soon as possible after opening. If it is not used up, please cover it tightly to prevent the product from getting damp or mixing with foreign objects.
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