| HS Code | 355264 |
| Manufacturer | Texas Instruments |
| Part Number | DLP2000RDP |
| Product Class | Digital Micromirror Device (DMD) |
| Subcategory | DLP Pico display component |
| Mirror Array Format | 854 x 480 |
| Display Resolution | WVGA (854 x 480) |
| Total Mirror Count | 409920 |
| Array Diagonal | 0.2 inch |
| Micromirror Pitch | 5.4 µm |
| Micromirror Tilt | ±12 degrees |
| Illumination Wavelength Range | 420 nm to 700 nm |
| Pattern Rate | Up to 120 Hz |
| Operating Temperature Range | 0 °C to 70 °C |
As an accredited DLP 2000 RDP factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | DLP 2000 RDP is supplied in 25 kg multilayer paper bags with moisture-proof lining, ensuring safe storage and easy handling. |
| Container Loading (20′ FCL) | DLP 2000 RDP is loaded as a 20-foot FCL, palletized in sealed bags, ensuring safe, dry transport. |
| Shipping | DLP 2000 RDP is supplied as a free-flowing powder in moisture-proof multi-layer bags on pallets. Ship in clean, dry, ventilated containers, protected from moisture, rain, and direct sunlight. Avoid extreme heat or humidity during transit. The material is non-hazardous, but use proper dust-handling precautions when loading or unloading. |
| Storage | Store DLP 2000 RDP in a cool, dry, well-ventilated area below 30°C. Keep in its original, tightly sealed container to prevent moisture absorption and contamination. Avoid direct sunlight, heat sources, and high humidity. Under proper conditions, shelf life is typically 12 months from manufacture. Handle with care to avoid dust generation. |
| Shelf Life | Shelf life for DLP 2000 RDP is typically 12 months from manufacture when stored unopened in a cool, dry place. |
When DLP 2000 RDP (resorcinol bis(diphenyl phosphate), CAS 57583-54-7, typical phosphorus content 10.5–10.8 wt%) is compounded into a 70/30 polycarbonate/acrylonitrile-butadiene-styrene blend, the first process variable to shift is melt viscosity, not flame response. The liquid phosphate ester enters the melt through a side-stream liquid injection port on a twin-screw extruder with an L/D ratio of 40:1, typically at barrel zone six after the PC/ABS has reached a melt temperature of 230–260 °C. Compliance for thin-wall information-technology and AV equipment housings is anchored to UL 94 V-0 at 1.5 mm, with enclosure requirements under IEC 62368-1:2023. Formulation addition ratios fall between 8 and 12 wt% of the total compound for 1.5 mm walls; thinner 0.8 mm charger housings commonly require 12–16 wt% in combination with 3–5 wt% of a styrene-acrylonitrile charring synergist. The downstream production process requires pre-drying of PC/ABS pellets at 80–100 °C for 2–4 h to a moisture level below 0.02 wt%, vacuum venting during compounding at −0.08 MPa, and injection moulding at melt temperatures of 240–270 °C with mould temperatures of 60–80 °C. Barrel residence time above 300 °C must remain below 90 s because thermal cleavage of the phosphate ester releases acidic species that attack the polycarbonate chain and can generate black specks. The resin system is tested for tensile properties according to ASTM D638-22, flexural modulus according to ISO 178:2019, notched Izod impact according to ISO 180, melt flow rate according to ISO 1133-1:2022, and heat deflection temperature under 1.8 MPa according to ISO 75-1. A load increase from 8 wt% to 14 wt% typically lowers heat deflection temperature by 5–10 °C relative to the unfilled base resin, which limits RDP content in power adapter housings that must pass thermal cycling at 90 °C. Finished part types include power adapter shells, router chassis, videoconference terminal housings, monitor rear covers, and AC charging controller enclosures.
In continuous slabstock production of flexible polyurethane foam with a core density of 20–28 kg/m³, the interaction between DLP 2000 RDP and the amine/tin catalyst package is measurable within the first 20 m of the rising tunnel through a delayed cream time and a reduced exotherm peak. The relevant industry compliance standards are FMVSS 302 for motor vehicle interior materials, BS 5852:2006 for upholstered furniture composite combustibility, California Technical Bulletin 117-2013 for residential seating foam, and ISO 9772 for horizontal burning of cellular plastics. The formulation addition ratio is 6–12 php based on 100 parts of polyol; high-resilience automotive seat foam at 40–55 kg/m³ core density uses the lower half of this range, while low-density furniture slabstock uses the upper half. The downstream process is continuous or discontinuous slabstock pouring from a high-shear mixing head, with the polyol stream maintained at 25–35 °C and the isocyanate stream at 20–25 °C; water is added as blowing agent at 3.0–4.5 pphp, with an isocyanate index between 100 and 110. Because the acid value of DLP 2000 RDP is specified below 0.1 mg KOH/g, residual acidity can partially block tertiary amine catalysts; production-scale adjustment typically requires increasing the amine catalyst by 5–15 wt% while leaving the tin catalyst unchanged. Foam physical properties are evaluated under ASTM D3574-17 for density, tensile strength, elongation, and tear resistance, and under ISO 3385 for compression set after 22 h at 70 °C. If the RDP loading exceeds 12 php in a 22 kg/m³ slabstock, the cured foam typically loses 10–20% of its tensile strength and shows a measurable rise in compression set after humid ageing because the phosphate ester softens the urea-rich hard phase. Polyol blends containing RDP should be agitated under nitrogen at 30–35 °C for 30–45 min before the pour to avoid localised viscosity gradients and scorch streaks. Finished terminal products are automotive seat cushions, sofa seat and back cushions, office chair arm pads, and upholstered side bolster foam.
After tetrabromobisphenol A is removed from glass-reinforced epoxy laminates and replaced by phosphorus-based char promoters, DLP 2000 RDP enters the varnish preparation stage, where resin viscosity, B-stage reactivity, and cured glass transition temperature are altered simultaneously. For halogen-free FR-4 replacement laminates, the compliance framework is defined by IPC-4101E laminate specifications, IEC 61249-2-21 for halogen-free base materials, UL 94 V-0 at 0.8 mm, and the flammability test methods in IPC-TM-650 method 2.3.10 for laminate flammability. The formulation addition ratio for DLP 2000 RDP is 15–25 phr in the epoxy resin system, with the higher levels applied to 7628 glass fabric constructions where resin content is lower and flame penetration is higher. The downstream process begins with ketone-based varnish mixing of DLP 2000 RDP, dicyandiamide hardener at 2.5–3.5 phr, and 0.05–0.15 phr of 2-methylimidazole accelerator; glass fabric is dip-coated to a controlled resin pickup of 42–48 wt%, then B-staged in a treater tower at 130–160 °C for 3–6 min. Multi-ply lamination occurs at 180–200 °C and 1.5–3.0 MPa for 90–120 min. The main processing conflict is glass transition suppression: dicy-cured laminates without RDP typically show Tg near 170–180 °C, while phosphorus-loaded grades may drop to 135–150 °C; this restricts their use in high-thermal-reliability automotive blower motor controllers unless a phenolic novolac co-hardener is substituted for part of the dicyandiamide. Free phenol content in DLP 2000 RDP must remain below 0.05 wt% to prevent press pad contamination and resin-starved edges. Terminal product types include multilayer printed circuit boards for power adapters, LED driver boards, inverter control boards, and halogen-free consumer electronics motherboards.
Compounds formulated from polyphenylene ether and high-impact polystyrene require glow-wire ignition resistance without sacrificing notched Izod impact; liquid resorcinol bis(diphenyl phosphate) enters the melt phase as the halogen-free char promoter. The governing industry compliance standard for unattended appliance housings is IEC 60335-1:2020 clause 30.2.2, with glow-wire testing at 850 °C according to IEC 60695-2-11; flame classification is also verified under UL 94 V-0 at 1.5 mm. The compound’s flame-retardant loading is set at 10–14 wt% in a 40/60 PPE/HIPS matrix, with the liquid component pre-blended into the HIPS melt phase to prevent phase inversion and gloss loss. Downstream production uses a twin-screw extruder with 40:1 L/D, barrels set at 240–280 °C, side liquid injection at the melt seal zone, and vacuum venting at −0.09 MPa to strip moisture below 0.03 wt%. Pellets are dried at 90–110 °C for 2–3 h, then injection moulded at 250–280 °C with mould surface temperatures of 80–100 °C to avoid delamination on textured surfaces. Because PPE/HIPS compounds are shear-sensitive, screw speeds above 600 rpm generate local melt temperatures above 300 °C and cause black specks; process audits on actual manufacturing lines use ISO 1133-1:2022 melt flow rate monitoring to catch lot-to-lot flow shifts after liquid RDP addition. Mechanical verification follows ASTM D638-22 for tensile strength, ISO 178:2019 for flexural modulus, ISO 180 for notched Izod, and ISO 75-1 for heat deflection temperature at 1.8 MPa. Terminal part types in this segment are washing machine top covers, induction cooker bases, power tool motor housings, and internal brackets for dishwashers.
On TPU cable jacketing lines targeting halogen-free construction, a conflict arises between flame propagation resistance and flexibility retention at −25 °C. DLP 2000 RDP is introduced as a halogen-free phosphorus plasticiser at 5–12 wt% in polyester TPU compounds that already contain 30–50 phr of aluminium trihydrate. The compliance standard for horizontal flame propagation in single-core and multicore cables is IEC 60332-1-2:2015+AMD1:2018; North American flexible cord jackets are evaluated under UL 1581 vertical flame test VW-1, and electric vehicle charging cables follow EN 50620:2020. The downstream production process starts with pre-drying of TPU granules at 90–110 °C for 2–4 h to a moisture level below 0.03 wt%, then compounding on a single-screw extruder with 25:1 L/D, a compression ratio of 2.5:1, and melt temperature controlled between 170 and 195 °C. Cable jacket extrusion uses a pressure-type die with a drawdown ratio of 1.5–2.0:1 to reduce molecular orientation that accelerates phosphate migration. Shore hardness is checked under ISO 48-4 or ASTM D2240-15, tensile elongation under ASTM D638-22, abrasion resistance under ISO 4649, and cable jacket cold bend under IEC 60811-501. At loadings above 12 wt%, production-scale trials show that Shore A hardness can fall below 85 on 3 mm jackets, and surface migration becomes visible after 500 h at 70 °C and 95% relative humidity, which reduces friction stability in robotic cable feed systems. Published data for this specific TPU/RDP configuration is limited compared with PC/ABS. Terminal product types include EV charging cable outer jackets, halogen-free industrial robot cable sheaths, and flexible power cords for medical carts that require low-smoke performance.
Metal-faced polyisocyanurate panels manufactured by double-belt lamination operate under simultaneous constraints of closed cell content, compressive strength, and reaction exotherm below 90 °C. DLP 2000 RDP is evaluated as a high-phosphorus liquid additive in the polyol side of two-component PIR formulations at 8–12 php per 100 parts of polyester polyol, with an isocyanate index between 250 and 300. The application compliance framework includes EN 13501-1:2018 reaction-to-fire classification for building products, ASTM E84 surface flame spread, and ISO 5660-1:2015 cone calorimeter heat release; factory mutual FM 4880 may apply to wall and roof assemblies in certain jurisdictions. The downstream production process is continuous double-belt lamination at line speeds of 8–12 m/min, with polyol component temperature held at 25–30 °C, high-pressure mixing pressures of 120–180 bar, and foaming rise controlled to fill metal facings without overpacking above 1.15 relative density. The practical processing limitation is moisture: because DLP 2000 RDP is supplied with water content below 0.1 wt%, polyol blends containing RDP must be stored under nitrogen and held below 0.08 wt% total water to avoid premature carbon dioxide evolution, frothing in the metering pump, and closed cell content loss. At addition levels above 12 php, compressive strength at 10% deformation measured under EN 826 can drop below 120 kPa in 40 kg/m³ PIR cores, and published data for production-scale PIR lines using RDP remains more limited than for TCPP or DMMP. Terminal product types are cold storage sandwich panels, external facade cladding panels, and prefabricated ducting panels for controlled-environment warehouses.
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DLP 2000 RDP is a redispersible polymer powder produced from a vinyl acetate–ethylene copolymer dispersion. The powder is stabilised with a polyvinyl alcohol protective colloid and is supplied as a free-flowing off-white material intended for dry blending into cementitious and gypsum-bound building chemicals. During dry-mix manufacture, DLP 2000 RDP is metered with ordinary Portland cement, calcium aluminate cement, graded silica sand, cellulose ethers, and setting regulators. It remains inert until wet mixing, where the dispersible powder releases the original polymer phase into the alkaline pore solution. As free water is consumed by cement hydration and evaporation, the polymer particles coalesce into a continuous film that bridges microcracks and improves adhesion to vitrified tile backfaces, expanded polystyrene insulation, and primed concrete. Because the base polymer is ethylene-modified rather than a vinyl acetate homopolymer, the minimum film-forming temperature is reduced and elongation at break is increased without requiring volatile coalescing solvents. This technical position supports the use of DLP 2000 RDP in thin-bed ceramic tile adhesives, cement-based renders, self-leveling underlayments, and gypsum machine plasters where unmodified mortars exhibit brittle failure or insufficient wetting on low-porosity substrates.
The principal difference is the incorporation of ethylene into the polymer backbone. Ethylene functions as an internal plasticiser, reducing glass transition temperature and permitting film formation at substrate temperatures below 10 °C. Ethylene-free vinyl acetate homopolymer RDPs retain a higher glass transition temperature and frequently require higher addition levels or external coalescing agents to form coherent films under cold curing conditions. In cementitious tile adhesives evaluated according to EN 12004-2, VAE-modified formulations typically retain tensile adhesion after water immersion because the cured polymer film is less water-sensitive than polyvinyl acetate and remains more flexible after heat ageing. The effect is not universal; the protective colloid chemistry, ash content, and cement interaction govern the final adhesion. Compared with a homopolymer VAc powder, DLP 2000 RDP would be expected to show lower MFFT and improved adhesion to smooth, non-porous substrates when applied at film thicknesses below 2 mm. Published comparative data for this specific grade is limited; the current manufacturer’s technical data sheet and lot-specific certificates remain the controlling source for quantitative claims.
For incoming inspection and dry-mix quality control, the relevant powder properties are residual moisture, ash content, bulk density, particle size distribution, and aqueous dispersion pH. A representative VAE RDP of similar polyvinyl alcohol stabilisation shows residual moisture below 1.5% by ISO 787-2, ash content between 10% and 18% by ISO 3451-1, bulk density between 400 g/L and 600 g/L by ISO 60, and pH between 6.5 and 8.0 in a 10% aqueous dispersion by ISO 976. Median particle size is typically below 80 µm by laser diffraction after sieving through a 63 µm mesh. A mineral anti-caking agent may be present. DLP 2000 RDP should be stored in sealed bags below 30 °C. If relative humidity exceeds 60%, the powder bed can develop lumps within 24–48 h; these lumps are not reversible by re-sieving because the polyvinyl alcohol protective colloid undergoes swelling. Production-scale dry-mix silos are maintained with a dew point below −10 °C to prevent condensation on transfer lines. The listed values are representative of the product class and are not certified lot-specific values for DLP 2000 RDP; the current certificate of analysis should govern acceptance.
Production-scale silo handling of DLP 2000 RDP requires control of powder temperature. At powder temperatures above 35 °C, the particle surface can become tacky and bridge in a 60° cone silo. Field installations with silo fluidisation pads and a maximum powder temperature of 25 °C maintain discharge rates of 1.5–2.0 t/h. If a rotary valve with tight clearances is used, polymer smearing on the rotor can occur after 8 h of continuous operation; specifying an abrasion-resistant polymer-lip rotor and dry compressed air at −40 °C dew point prevents this failure. This operational boundary is not unique to DLP 2000 RDP but is common to polyvinyl alcohol-stabilised VAE powders.
Grade selection within the DLP series is determined by the manufacturer’s internal polymer architecture and protective colloid system. DLP 2000 RDP is generally positioned for standard tile adhesives, renders, and repair mortars where balanced adhesion development and open time are required. Higher-ethylene grades in the series may be selected for crack-bridging membranes and low-temperature flexible adhesives; lower-ethylene or modified grades may be specified for rigid tile adhesives where open time is managed through cellulose ether stability. Direct substitution of DLP 2000 RDP for another VAE grade by equal weight is not recommended, because ethylene content, particle surface chemistry, and anti-caking package all affect notched-trowel flow, wetting, and final tensile adhesion. Comparative performance ranking depends on the current technical data sheets and cannot be inferred from solids content alone.
In C1 and C2 ceramic tile adhesives, DLP 2000 RDP is typically added at 0.8% to 3.0% by total dry-mix weight depending on cement dosage, aggregate grading, and target open time. The powder increases plastic viscosity and shear-thinning behaviour, improving notched trowel hold-up and reducing slumping on vertical walls. During mixing in a production-scale twin-shaft paddle mixer, the powder should be pre-blended with the fine fraction below 0.2 mm before adding coarse aggregates. Field observations from 2 t batch mixers show that adding RDP directly onto coarse aggregate can create localised polymer-rich agglomerates that survive 90 s of mixing and appear as surface craters after trowelling. For a 25 kg dry-mix bag, a 600 rpm high-shear paddle mixer typically produces a lump-free dispersion within 90–120 s; longer mixing at higher shear does not improve redispersion and can increase air entrainment beyond the defoamer capacity. In adhesion tests according to ISO 13007-1 and EN 12004-2, modified mortars are evaluated for initial tensile adhesion, tensile adhesion after water immersion, after heat ageing, and after freeze–thaw cycling. VAE-stabilised powders such as DLP 2000 RDP generally maintain values above 0.5 N/mm² for C1 adhesives and above 1.0 N/mm² for C2 adhesives when formulation variables and substrate preparation comply with the standard. The exact DLP 2000 RDP-specific performance requires the product data sheet. In cement-based renders, addition rates between 1.0% and 2.5% improve wet cohesion, reduce segregation of lightweight fillers, and lower the elastic modulus of the cured render. The powder is not a substitute for cellulose ethers in vertical slip control; the two components operate through different rheological mechanisms.
For calcium sulfate and blended-binder self-leveling underlayments, DLP 2000 RDP is introduced at 1.0% to 2.0% by dry-mix mass together with polycarboxylate ether superplasticisers and defoamers. The polymer phase modifies surface tension and paste viscosity, enabling a ring flow of 140 mm to 160 mm under EN 12706 with lower water-to-solid ratios than unmodified compositions. The resulting water reduction increases early flexural strength and reduces drying shrinkage. In continuous mixing lines, the powder is added upstream of liquid dosing to prevent premature film formation on rotor surfaces. A lobe-pump blockage mode observed in humid plants arises when residual moisture condenses at the dry-mix inlet and creates a sticky polymer film on the rotor; specifying a dew-point-monitored transfer line at −5 °C and a bag filter with PTFE membrane reduces this failure. Published production-line data for DLP 2000 RDP in self-leveling equipment is limited. Film elongation values above 100% at 23 °C are typical for the VAE class, but the exact value for DLP 2000 RDP must be confirmed separately.
In external thermal insulation composite systems with expanded polystyrene insulation, DLP 2000 RDP improves the adhesive mortar’s wetting of non-porous EPS surfaces. Adhesive formulations are commonly tested for bond strength to EPS according to EOTA ETAG 004 or current European assessment documents. The polymer film aids stress distribution around the insulation board interface during wind uplift and thermal movement. Pull-off tests on production-scale adhesive mortars containing 1.5% to 2.5% VAE RDP after 28-day cure at 23 °C often show cohesive failure within the EPS board rather than adhesive failure at the mortar–EPS interface. This cohesive failure mode is preferred under ETAG 004 criteria when the insulation board itself has adequate tensile strength. Published data for DLP 2000 RDP in this specific EIFS configuration is limited.
DLP 2000 RDP is used in gypsum hand plasters and machine plasters at 0.3% to 1.0% by dry weight of the gypsum binder. The powder does not retard the hydration of calcium sulphate hemihydrate at these dosages, but it modifies the crystal network around air voids. Isothermal calorimetry screening at 25 °C in polymer-free and polymer-modified plasters shows a shift in maximum heat-flow time of less than 10 minutes in the absence of organic retarders. When protein-based retarders are present, the retardation effect can be additive; setting time must be verified by Vicat needle measurements according to EN 13279-2. The powder improves airless spray pattern retention and reduces rebound on interior concrete and lightweight block surfaces. In gypsum board joint compounds, the polymer contributes plastic flow and sanding resistance, but the combination with starch ethers can increase water retention beyond the target and prolong drying; the formulator must balance both additives. Published data for DLP 2000 RDP in gypsum joint compounds is limited. The product is not recommended as the sole binder in gypsum products and does not eliminate the need for anti-sag cellulose ethers in thick machine-applied coats. If a gypsum premix containing DLP 2000 RDP is exposed to moisture, setting lumps and polymer caking can form together and cannot be corrected by post-milling.
| Application | Standard | Property | Typical class outcome |
|---|---|---|---|
| Ceramic tile adhesives | EN 12004-2 / ISO 13007-1 | Tensile adhesion after water immersion, heat ageing, freeze–thaw | C1 ≥ 0.5 N/mm²; C2 ≥ 1.0 N/mm² for formulated systems |
| Self-leveling underlayments | EN 12706 | Ring flow diameter | Target 140–160 mm at adjusted water demand |
| Gypsum plasters | EN 13279-2 | Vicat setting interval | Shift <10 min without organic retarders |
| Cementitious surface tensile strength | ASTM C1583/C1583M | Pull-off strength | Often >0.5 MPa with proper substrate preparation |
DLP 2000 RDP is not a primary binder for load-bearing structural mortars. It is also incompatible with direct slurry addition in the absence of cement; the powder should always be dry-blended into the aggregate or binder premix. Avoid combination with amine-based curing agents and high-alkali liquid accelerators during dry storage because the polyvinyl alcohol colloid can undergo hydrolysis and discolouration. The product is not intended for solvent-borne formulations. In high-early-strength calcium aluminate cement grouts, exothermic temperature rise should be monitored; localised temperatures above 70 °C may accelerate film formation prematurely and reduce final adhesion. The powder must be handled with standard dust-control systems; respirable dust exposure limits and ventilation requirements follow local regulations and EN 481.
