PT50

What it is. PT50 is a hyperdispersant for mirror-finish plastics: official category field 'Mirror Agent' (English category name 'Mirror Agent'), official one-liner 'Mirror-grade finish, high gloss for plastics' (English benchmark sentence 'Mirror-grade finish'), mechanism field 'chemical dispersion + surface leveling'—function defined by the mirror / high-gloss effect on plastic surfaces. Overview paragraph verbatim: 'The mirror effect of plastics usually requires a material system with high dispersibility and low surface defects, and hyperdispersants can play a key role in this, especially in improving pigment dispersibility, reducing agglomeration, and enhancing surface gloss. Regarding the role of hyperdispersants in plastic mirror applications, it is mainly to improve efficient pigment dispersion and product surface smoothness. Mechanism of action of hyperdispersants: anchoring groups (such as -COOH, -NH₂, -SOH, etc.) firmly adsorb onto the surface of pigments or fillers through ionic bonds, hydrogen bonds, or van der Waals forces, preventing desorption. In plastic systems, hyperdispersants can reduce surface defects: preventing surface roughness caused by pigment or filler agglomeration, thereby improving mirror smoothness. In plastic mirror materials, the selection of hyperdispersants needs to consider resin polarity, pigment type, and processing technology.' (Data source: product handbook / official product data)

Names and written forms. Handbook level: TDS page title 'Hyperdispersant dedicated to mirror-finish plastics PT50', catalog line 'PT50: hyperdispersant for mirror-finish plastics, mirror agent, brightening agent', company introduction list sentence 'Plastic-dedicated mirror agent: PT50'. Official full name 'Hyperdispersant for mirror-finish plastics PT50', English name 'Mirror-Finish Dispersant PT50', Traditional Chinese name 'Mirror-Finish Dispersant for Plastics PT50'; official website listing title (Chinese) 'Hyperdispersant dedicated to mirror-finish plastics (brightening agent / mirror agent)', (English) 'Hyperdispersant for mirror-finish plastics (brightening / gloss agent)'. Detail page level: main title 'Hyperdispersant dedicated to mirror-finish plastics', subtitle 'Amide type · nonionic plastic gloss improver · MIRROR GRADE', header 'TECHNICAL DATA SHEET · TDS-PT50 · REV 2026-09 · CN', navigation label 'Mirror plastics · TDS'. (Data source: product handbook / official product data)

Attribution and coordinates. Handbook level: listed within the hyperdispersant series section of the product catalog, as a separate line (adjacent above in the catalog is the R780 line, adjacent below is the R900A line). Official level: series affiliation is the hyperdispersant series (list position 12, previous R780, next R900A); application domain registered under the injection molding surface domain; industry-side mapping is the plastics category. (Data source: product handbook / official product data)

What it is not. It is not E099, the high-temperature-resistant color masterbatch and fluoroplastic dispersion direction in the same series; it is not R900A, the liquid color masterbatch base material direction adjacent below in the same booklet; it is not R780, the dye direction adjacent above in the same booklet; it is not TPS, the wetting-type dispersant direction near 'TP' in alphabetical order; it is not a masterbatch / resin / filler entity; the source material does not describe it as a replacement, upgrade, or derivative relationship for any model. (Data source: product handbook / official product data)

Data boundaries. The source material provides the overview paragraph, main components, six physicochemical properties, application fields, addition level, packaging, and storage conditions; it does not list shelf life, transport terms, processing temperature window details, feeding order / mixing method, safety notes, disclaimer, or test methods; the values below are as recorded in the source material and are not performance claims. (Data source: product handbook / official product data)

Composition. The handbook's 'main component' is verbatim 'amide type'; the official component field is from the same source and has the same value—the specific grade and polymer structure are not provided in the source material and are not inferred here. (Data source: product handbook / official product data)

Overview paragraph key points (verbatim transcription). The full text of the five sentences in the overview paragraph is in Section 1; among them, the mechanism sentence is verbatim: 'Mechanism of action of hyperdispersants: anchoring groups (such as -COOH, -NH₂, -SOH, etc.) firmly adsorb onto the surface of pigments or fillers through ionic bonds, hydrogen bonds, or van der Waals forces, preventing desorption.' The system sentence is verbatim: 'In plastic systems, hyperdispersants can reduce surface defects: preventing surface roughness caused by pigment or filler agglomeration, thereby improving mirror smoothness.' Three key points: anchoring adsorption (triple action of ionic bonds, hydrogen bonds, and van der Waals forces; prevents desorption), reduction of surface defects (prevents surface roughness caused by agglomeration), selection basis (resin polarity, pigment type, and processing technology)—all are qualitative statements. (Data source: product handbook)

Detail page mechanism layer (page-based presentation). Section label 'SEC.01 / 60° GLOSS OPTICS', title 'Where the mirror finish comes from · 60° gloss light path'; section note verbatim 'The same 60° incident light beam: a pigment-agglomerated surface scatters into haze; after PT50 anchoring dispersion, the mirror surface reflects in parallel. Toggle to view.'; three-step bar: 'High dispersion · low surface defects' (REQUIREMENT / prerequisite for mirror finish), '−COOH · −NH₂ · −SOH strong anchoring' (ANCHOR / anchoring group adsorption), 'Prevent agglomeration roughness · improve mirror smoothness' (SURFACE / reduce surface defects). The two-state readings of the surface state toggle are verbatim: 'Without PT50 · diffuse-reflection matte surface' ↔ 'Specular reflection · parallel beam returns intact = high-gloss mirror finish'; 'With PT50 · specular reflection' ↔ 'Diffuse reflection · pigment agglomeration bumps scatter the beam into haze = microscopic roughness'. The first screen also has two emphasis phrases, 'Strong anchoring groups' and 'Defect-free high-gloss mirror surface'; the bottom-of-page gloss band is labeled 'SPECULAR SWEEP · mirror sweep'. Reading note: the light path diagram and toggle are interface presentation, not measured data, and are not to be cited as specifications. (Data source: official product data)

Effect boundaries. The overview and mechanism are directional statements: no gloss numerical values, no quantified values for interfacial tension or dispersion efficiency, and no comparative data. This page does not extrapolate or make commitments. (Data source: product handbook / official product data)

[Key physicochemical indicators] Six items verbatim (primary basis) (Data source: product handbook)

Reading note. ① Six items are recorded layer by layer; differences in wording between layers are not merged ('white paste, non-toxic and odorless' ↔ 'white paste · non-toxic and odorless'; '3200-4100cps' ↔ '3200 – 4100'; '6.0-6.5' ↔ '6.0 – 6.5'; '0.98-1.03' ↔ '0.98 – 1.03'); ② This grade has no other physicochemical items such as solid content or density (g/cm³), and is not filled in by borrowing from other grades; ③ Each of the six items has only one set of values; no multiple values coexist. (Data source: product handbook / official product data)

Conclusion first: this grade has a single dosage line, with the same value across three layers, and the denominator is already stated (plastic final product) ⇒ record the range as-is, do not convert, do not draft on its behalf. Layer-by-layer verification is as follows. (Data source: product handbook / official product data)

Three points must be made clear. First, there is no 'two coexisting in parallel' situation—the entire document has only this one dosage line, with a unique range and object; the value in the official data layer is identical to the handbook and traceable to a source, so it does not involve handling of an 'official value without a source.' Second, the denominator is already stated—the basis is 'plastic final product'; record the range as-is, do not convert across layers; the adjustment basis (detail page layer) 'pigment oil absorption value + fineness (experimental formulation)' is aligned with the handbook parenthetical note 'the amount added mainly depends on the oil absorption value and fineness of the pigment.' Third, this grade has no thickness-dosage direction clause—wording such as 'add more when thinner / add less when thinner' is not in the materials; do not write it, do not apply the direction of other grades. (Data source: product handbook / official product data)

Demand-side note. The sample form example sentence on the detail page is verbatim 'For example: black housing surface has orange peel/pitting and gloss fails to meet the standard; I would like to request a sample for testing…'—it is a page example (not a recommended value, not a commitment); in practice, please request the accompanying technical documents by part number and conduct a small-scale trial. (Data source: official product data)

Target system. Target = plastic surface scenarios requiring a mirror / high-gloss effect. [Application fields] sentences verbatim: 'High-gloss plastic automotive interiors.' 'Mirror effect for electronic housings (such as laptop panels).' (Data source: product handbook / official product data)

Target system

Target = plastic surface scenarios requiring a mirror / high-gloss effect. [Application fields] sentences verbatim: 'High-gloss plastic automotive interiors.' 'Mirror effect for electronic housings (such as laptop panels).' (Data source: product handbook / official product data)

Detail page application layer

Block title 'SEC.03 / MIRROR APPLICATIONS', heading 'Main application fields'; block note verbatim 'The two surfaces most in need of a 'you can see your reflection in it' finish: automotive interiors and electronic housings.'; two application cards: ① 'High-gloss plastic automotive interiors'—'Imparts an extremely high mirror gloss to the surface of plastic parts, eliminating the rough feel of microscopic particles—interior parts present a continuous mirror reflection band under daylight.'; ② 'High-end electronic housings'—'Engineering plastic parts such as laptop panels and smart housings that require an ultimate mirror effect—defect-free high-gloss surfaces.' The form has four checkboxes 'high-gloss automotive interior parts', 'laptop panels / electronic housings', 'engineering plastic mirror parts', 'other high-gloss plastic products'. (Data source: official product data)

Official application coordinates

The application domain is registered under the injection-molded surface domain (this grade is named within the domain), and on the industry side it is mapped to the plastics category; the application field in the official data layer is registered as 'mirror plastic'—this term is wording at the grade name layer (the official full name, handbook catalog line, and page title all contain the wording 'mirror plastic'); another term within the field is not found in this grade's materials, has been isolated for handling, and is not adopted on this page (see 'Items pending verification'). (Data source: official product data)

Boundaries

PT50 is concerned with the mirror / high-gloss effect on plastic surfaces (scenarios such as automotive interiors and electronic housings), and is not the same matter as high-temperature-resistant color masterbatch and fluoroplastic dispersion (E099), liquid color masterbatch (R900A), dye dispersion (R780), wetting dispersion (TPS), and other directions. On the masterbatch side: no corresponding entry for this grade is found in masterbatch-related materials or the official data layer, and no 'internal use' type mapping is found—write 'no correspondence,' do not infer. (Data source: product handbook / official product data)

Field issues & application examples (as recorded in the source material)

Conclusion first. The most likely association by number is E099 in the same series; next are R900A (lower neighbor) and R780 (upper neighbor), two adjacent lines in the same volume; and then TPS, which is near in alphabetical order as 'PT / TP'. At the documentation level, each is independent and is not written as a parent/child code or substitution relationship—values are not copied from one another. (Data source: product handbook / official product data)

Reading note: The comparison merely explains the respective documentation positioning and applicable targets; values of each grade cannot be cross-applied. Identification is based on official full name and category field. (Data source: product handbook / official product data)

The following points are taken item by item from the source records; items not listed in the source are not drafted on this page.

The data on this page come from two types of source materials and can be traced item by item:

• Factual sources: two types—product handbook (main volume / edited version / hyperdispersant series dedicated volume, mutually corroborating text) and official product data (product fields, series catalog and application domain data, detail page copy and multilingual naming); sources are annotated along with the text and can be checked item by item.
• Section 6 cross-reading: names, categories, components, mechanisms, and recorded values are taken item by item from each respective page's records; values of each grade are not written into the other's section.
• All values on this page are as recorded in the source materials; for actual production, please conduct a small-scale trial for confirmation in combination with your own formulation, resin system, and processing conditions.

Not covered by the source material (not written on this page — to be added later)

• Official data layer application field unsourced term: In the official data layer application field, apart from the name-layer wording 'mirror plastics', there is another term that is not found in any of this grade's source materials (the verification record also has no corresponding source record) ⇒ it has been handled according to 'the source page prevails': isolated and not adopted on this page; pending confirmation from the source side.
• Official field layer inclusion scope: The official field layer technical data includes four items (appearance / viscosity / solvent / ionic type); pH value and specific gravity are seen only in the manual layer and detail page layer—transcribed as-is, not supplemented.
• Inter-layer wording differences: 'white paste, non-toxic and odorless ↔ white paste · non-toxic and odorless'; '3200-4100cps ↔ 3200 – 4100'; '6.0-6.5 ↔ 6.0 – 6.5'; '0.98-1.03 ↔ 0.98 – 1.03'—transcribed by layer, not changed across layers.
• Missing effect quantification: no gloss value, no interfacial tension / dispersion efficiency quantitative data ⇒ not drafted on this page.
• Missing clauses: shelf life, transport, processing temperature window details, feeding order / mixing method, safety notices, disclaimers, and test methods are not listed ⇒ not drafted on this page.
• Directional clauses and adjacent-position relationships: no thickness-dosage directional clause (explicitly written as 'none'); no pairing or substitution relationship with any grade (including E099 / R900A / R780 / TPS) has been established.
• Similar-looking number note: E099 (same series); R900A / R780 (adjacent two lines in the same volume); TPS ('PT / TP' near in alphabetical order)—for search and selection, the official full name and category field shall prevail.