| HS Code | 764341 |
| Product Name | HP 5605 RDP |
| Brand | HP |
| Model | 5605 RDP |
| Product Type | Rack Display Panel |
| Display Size | 17 inches |
| Display Type | TFT LCD |
| Native Resolution | 1280 x 1024 |
| Video Input | VGA (DB-15) |
| Mount Type | 19-inch rack mount |
| Power Requirement | 100-240V AC, 50/60Hz |
| Dimensions | 44.5 x 35.1 x 4.4 cm |
| Weight | 8.5 kg |
As an accredited 5605 HP RDP factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 5605 HP RDP is supplied in 25 kg multi-layer kraft paper bags with polyethylene lining, palletized and shrink-wrapped for safe transport. |
| Container Loading (20′ FCL) | 5605 HP RDP is packed in 25kg bags on pallets, loaded into a 20′ FCL with secure shrink-wrapping for safe transport. |
| Shipping | `5605 HP RDP` is a redispersible polymer powder supplied in moisture-protective bags. Ship as non-hazardous dry cargo. Store in cool, dry conditions away from direct sunlight and humidity. Ensure packaging remains sealed to prevent caking or degradation during transit. Standard handling equipment is suitable. |
| Storage | Store 5605 HP RDP in its original, unopened packaging in a cool, dry, well-ventilated area. Protect from moisture, rain, and direct sunlight. Keep containers sealed when not in use, and avoid stacking heavy items on bags to prevent compaction. Under proper conditions, shelf life is typically 6–12 months. |
| Shelf Life | Shelf life: 12 months from production date when stored unopened in original packaging in a cool, dry place. |
Resorcinol bis(diphenyl phosphate) in the 5605 HP RDP grade is a phosphate-ester liquid with a phosphorus specification of 10.5–11.0%, viscosity at 25 °C typically between 300 and 600 mPa·s, and density near 1.30 g/cm³. Its molecular structure contains two diphenyl phosphate groups bridged through resorcinol, and the ester is handled as a moisture-sensitive, non-halogen flame retardant. In compounding, the liquid is metered by heated positive-displacement pumps rather than dry powder feeders. Moisture contact generates acidic hydrolysis products, so closed handling, nitrogen blanketing, and resin pre-drying are mandatory across downstream operations. The flame-retardant mechanism is matrix-dependent: in aromatic polymers the phosphate reinforces condensed-phase char, while in more aliphatic systems the volatile phosphorus species contribute gas-phase radical scavenging. The balance between these modes controls both flammability classification and side effects on melt viscosity, glass transition, and hydrolytic stability.
| Sector | Flammability standard | Mechanical or material test | Typical production criterion |
|---|---|---|---|
| PC/ABS enclosures | UL 94 V-0 at 1.5 mm | ASTM D256, ASTM D648 | Snap-fit notched Izod retained after molding |
| Flexible polyurethane foam | FMVSS 302, TB 117-2013 | ASTM D3574, ISO 1798 | Horizontal burn rate below 100 mm/min |
| PPO/HIPS electrical components | UL 94, IEC 60695-2-12 | ASTM D256, ASTM D648 | Glow-wire ignition at 850 °C without ignition |
| TPU cable sheathing | UL 1581 VW-1 | ASTM D2240, ISO 37 | No flame progression, no jacket exudate after humidity aging |
| Copper-clad laminate | UL 94, IPC-4101 | IPC-TM-650 2.5.5.9, IEC 60112 | Solder float at 288 °C for 10 s without delamination |
| Glass-filled PBT connectors | IEC 60695-2-13, UL 94 | ISO 527-2, ISO 180 | Glow-wire ignition at 750 °C, CTI verified at design voltage |
In thin-wall information technology equipment enclosures, PC/ABS compounds are flame-retarded with 5605 HP RDP at 8–14 phr based on polymer mass. Below 8 phr, vertical burn specimens frequently fail after-flame time after the first flame application, especially at bosses, rib-wall intersections, and high-shear gate regions where orientation and stress concentration coincide. Above 14 phr, the phosphate ester plasticizes the styrene-acrylonitrile phase sufficiently to pull notched Izod below the design minimum for snap-fit latching and living hinges under ASTM D256. The additive is metered into a co-rotating twin-screw extruder with L/D 40:1 after the polymer seal zone, using heated lines at 60–80 °C and a gear pump, rather than through the feed throat. Barrel set points from 240–260 °C keep the phosphate ester below its degradation range while maintaining PC/ABS melt strength for strand pelletizing. A downstream vacuum vent at -0.06 MPa removes residual moisture; PC and ABS are pre-dried at 80–100 °C for 4 h to <0.02% moisture because RDP hydrolysis at processing temperatures causes splay, surface silver streaks, and embrittlement. An anti-drip fluoropolymer concentrate is co-fed at 0.3–0.5 wt% to suppress flaming drips in vertical burn. Compounds are tested under UL 94 at 1.5 mm, ASTM D256 for notched Izod, ASTM D648 for heat deflection temperature at 1.82 MPa, and ISO 1133-1:2022 for melt flow-rate. End-use housings are also evaluated for electrical safety under IEC 62368-1. Production experience shows that recycled PC/ABS streams containing post-industrial polycarbonate alter the effective phosphate loading and the PC-to-ABS char ratio, so burn performance must be re-verified when recycled content exceeds 20%.
Flexible polyurethane foam for automotive seating and headrests uses 5605 HP RDP as a liquid phosphate ester added to the polyol blend before mixing with isocyanate. At 5–15 pphp relative to polyol, the low viscosity of the ester at 25 °C permits homogeneous dispersion in high-viscosity polyether polyols without additional solvents; a high-shear mixer operating at 500–1,500 rpm for 20–30 min is typical. In MDI-based molded foam, the phosphate does not replace tin or amine catalysts, but at above 15 pphp it can alter cell-window drainage and cause irregular cell opening, reducing air permeability under ASTM D3574 to below 0.5 L/min in some production trials. Flammability is assessed by FMVSS 302 with horizontal burn rate not exceeding 100 mm/min; molded pads containing 10 pphp of RDP are generally expected to pass at thicknesses above 12 mm, though published data for this specific grade in low-density headrest foam is limited. Because the phosphate ester is hydrolytically sensitive, drums are blanketed with dry nitrogen and exposure to atmospheric moisture is minimized; free water in the polyol system must be controlled to <0.05% to avoid acid formation during storage. Foam density, tensile, tear, and compression set are measured under ASTM D3574 and ISO 1798; phosphate esters can lower indentation force deflection, so seating producers re-tune water and toluene diisocyanate index to maintain cushion firmness. Component forms include molded seating cushions, headrests, and vibration-damping pads.
Polyphenylene oxide/HIPS alloys used in relay sockets, bobbins, and electrical connectors are flame-retarded with 10–20 wt% 5605 HP RDP. The additive distributes predominantly into the styrenic phase, lowering melt viscosity and improving thin-wall fill but also reducing weld-line strength when loading exceeds 15 wt%. In injection molding trials with melt temperatures of 250–280 °C and mold temperatures of 60–80 °C, weld-line notched Izod values fell to 40–50% of the base PPO/HIPS at 20 wt%; the effect is attributable to phosphate-enriched layers at the knit line, not to polymer degradation. Flammability classification under UL 94 at 1.5 mm is typically achieved at 12–15 wt% in unfilled grades, while glow-wire ignition temperature under IEC 60695-2-12 at 850 °C may require the upper end of that range. Heat deflection temperature under ASTM D648 declines by approximately 5–12 °C for each 10 phr of phosphate, so wall-bearing connectors may require post-molding annealing or glass reinforcement. Moisture must be kept below 0.03% before molding; splay, gate blush, and gloss variation on mold surfaces become visible when residual moisture hydrolyzes the ester at barrel temperatures above 260 °C. Production parts include relay sockets, appliance connectors, and motor end caps.
A charging-cable jacket compound based on polyester-type TPU can be flame-retarded with 5605 HP RDP at 8–15 phr. The phosphate ester reduces TPU melt viscosity by 10–20% at 10 phr as measured by capillary rheometry at 180 °C, which assists pressure drop across a single-screw extruder with 24:1–30:1 L/D. Barrel profiles are set from 170–200 °C, and the TPU is pre-dried at 70–80 °C for 4–6 h to <0.02% moisture; wet resin in contact with RDP produces acidic hydrolysis species that cause surface sharkskin and tensile elongation loss. Vertical flame testing on finished cable is performed according to UL 1581 VW-1; cable jackets with 12 phr RDP and a char-promoting synergist are used in production to meet no-flame-progression criteria, but published data for the 5605 HP grade in ultra-thin 0.3 mm walls is limited. Shore A hardness under ASTM D2240 typically drops 3–5 points per 5 phr loading, and tensile strength under ISO 37 decreases as the phosphate separates into the soft-segment phase. Above 15 phr, migration to the jacket surface appears as oily exudate after humidity aging at 60 °C/90% RH for 168 h. Finished sheaths are used in USB-C charging cables, industrial robot cable, and outdoor equipment cord.
Copper-clad laminate varnish containing 5605 HP RDP as a non-halogen flame retardant is compounded with epoxy resin, dicyandiamide, and 2-methylimidazole accelerator. At 18–30 phr in the resin solids, the phosphate ester does not form oxirane crosslinks; it remains a plasticizing additive in the cured network and lowers glass transition temperature by approximately 5–15 °C for each 10 phr increase, as measured by differential scanning calorimetry. This shift must be considered when qualifying laminates for thermal reliability because solder-float testing at 288 °C for 10 s under IPC-4101 can delaminate under-cured or excessively plasticized resin systems. Varnish viscosity at 25 °C is adjusted with solvent to maintain prepreg resin content between 40 and 50% on 7628 or 2116 E-glass styles; RDP low viscosity aids wet-out but can promote resin drip if the varnish solids drop below 55%. Halogen-free FR-4 laminates containing RDP are tested for flammability under UL 94 at 1.6 mm and for comparative tracking index under IEC 60112; phosphorus-based systems can reduce CTI relative to brominated systems, so copper-clad laminates for high-voltage applications require verification. Dielectric constant and dissipation factor at 1 GHz under IPC-TM-650 2.5.5.9 are also sensitive to phosphate content; production lots above 25 phr may exceed loss targets for high-speed circuits. Laminate configurations are used in HAL-compatible printed circuit boards, power-supply laminates, and multilayer motherboards.
Glass-filled polybutylene terephthalate connectors for electric-vehicle charging and industrial relays use 5605 HP RDP at 12–20 phr. The polymer must be pre-dried to <0.02% moisture at 120–130 °C for 4 h; residual water at melt temperature 245–260 °C hydrolyzes both PBT and the phosphate ester, causing a rapid melt viscosity drop and short-shotting. Injection molding barrels are sized so that total residence time does not exceed 5 min; longer residence at the upper temperature range leads to black specks and odor from polymer degradation. Glow-wire end-product testing under IEC 60695-2-13 at 750 °C commonly drives the phosphate loading toward 15 phr in GF30 PBT, while UL 94 V-0 at 0.8 mm may be satisfied at 12 phr. Comparative tracking index under IEC 60112 decreases as phosphate content increases; connectors specified for 600 V CTI must be re-qualified above 15 phr. Tensile strength and notched Izod are measured under ISO 527-2 and ISO 180; glass-fiber length retention during compounding is more sensitive to screw shear than to phosphate concentration, but the liquid additive can lower melt viscosity enough to reduce fiber attrition when it replaces a portion of solid flame-retardant additive. Production parts include EV charging connectors, relay sockets, and high-voltage terminal blocks.
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5605 HP RDP is a spray-dried redispersible polymer powder based on an ethylene-modified vinyl acetate copolymer. It is supplied as a free-flowing, off-white powder intended for dry-mix mortar formulations where wet adhesion, flexibility, and prolonged open time are required. The product class is engineered for thin-bed tile adhesives, self-leveling underlayments, waterproofing slurries, repair mortars, and exterior thermal insulation composite system base coats. Unlike standard vinyl acetate-ethylene powders, the high-performance modification lowers minimum film-forming temperature and permits polymer film coalescence at lower ambient application temperatures.
The powder redisperses in water to form a colloidal dispersion with a particle size distribution in the 0.5–5 μm range after mechanical mixing. Polyvinyl alcohol serves as the dominant protective colloid, while a mineral anti-caking agent comprising calcium carbonate or kaolin is added during spray drying to maintain free-flow characteristics. The residual moisture content is typically below 1.5 %, and the powder must be stored below 35 °C in sealed bags to prevent partial re-wetting and bridging of the primary particles.
The ethylene comonomer is incorporated into the vinyl acetate chain to depress the glass transition temperature and reduce the need for external liquid plasticizers. The resulting polymer film remains flexible after drying, while the vinyl acetate segments provide adhesion to polar cementitious substrates. Spray drying produces spherical agglomerates with a median particle size between 10 μm and 30 μm, although sieve retention values vary with anti-caking composition. The redispersed latex typically has a pH between 6.5 and 8.5 and a minimum film-forming temperature in the 1 °C to 4 °C range. These values are product-class typical; the certificate of analysis for each lot of 5605 HP RDP should be consulted for exact specifications.
| Property | Typical range | Test condition |
|---|---|---|
| Bulk density | 450–600 g/L | Loose pour |
| Residue on 400 μm sieve | ≤ 2 % | Mechanical sieving |
| Minimum film-forming temperature | 1–4 °C | DIN 53787 |
| pH of redispersion | 6.5–8.5 | 50 % solids aqueous dispersion |
| Residual moisture | ≤ 1.5 % | Karl Fischer or oven method |
5605 HP RDP is positioned between conventional vinyl acetate-ethylene powders and higher-cost acrylic powders. The ethylene modification provides internal plasticization; standard vinyl acetate-ethylene grades often require lower ethylene content or an external plasticizer to achieve equivalent flexibility. In contrast, acrylic powders offer higher hydrolysis resistance but may require higher addition rates to match open time in cementitious systems. 5605 HP RDP is selected where C2-class shear adhesion must be achieved at additions below 5.0 % of the dry mix.
Published comparisons between 5605 HP RDP and standard vinyl acetate-ethylene powders show greater wet adhesion retention after water immersion and improved workability under low-shear trowel application. The absence of liquid plasticizer reduces migration and surface tack after accelerated ageing. However, the exact performance delta is formulation-specific, and public data for this specific configuration is limited; side-by-side testing under EN 1348 and EN 12004 is required for industrial qualification.
| Performance attribute | 5605 HP RDP typical behavior | Standard VAE reference | Test method |
|---|---|---|---|
| Open time at 20 °C | Typically greater than 30 min at 3.0 % dosage in a C2 tile adhesive | Often 20–30 min at equivalent dosage | EN 1346 |
| Water immersion adhesion retention | ≥ 70 % of dry 28-day strength in optimized mixes | Typically 50–65 % | EN 1348 |
| Flexibility | S1 or S2 deformability achievable without liquid plasticizer | S1 only at higher dosage or with added plasticizer | EN 12002 |
In twin-shaft compulsory mixers with usable capacity between 500 L and 2,000 L, the powder is added after the cementitious fraction and before the final liquid admixture package. Addition rates for C2 tile adhesives generally fall between 2.5 % and 5.0 % by total dry weight, whereas self-leveling underlayments may require 1.5 % to 3.5 %. The bulk density is sufficiently stable to prevent segregation during pneumatic conveying, but conveying air must be dried to a dew point below -20 °C to avoid partial redispersion on filter bags.
Processing bottlenecks observed on production-scale lines include electrostatically induced build-up on the internal surfaces of ribbon blenders and reduced flow from silos at ambient humidity above 60 %. These effects can be mitigated by maintaining the powder at a temperature below 25 °C during transfer and by specifying filter elements with polytetrafluoroethylene-coated bags. Because the powder contains an inorganic anti-caking agent, the ash content is higher than that of liquid latex alternatives; this is accounted for in binder calculations.
In exterior façade tile adhesives subjected to freeze-thaw cycling, the polymer film must accommodate interfacial stress between porcelain tile and concrete substrate without cohesive failure. In C2TE S1 formulations, 5605 HP RDP is commonly combined with 0.5–1.5 % cellulose ether and 0.1–0.3 % starch ether to control water retention and rheology. The blend is evaluated under EN 1348 after 25 freeze-thaw cycles according to EN 12004; admissible tensile adhesion strength for C2 classification is at least 1.0 N/mm², but field mixes targeting exterior façades typically exceed 1.5 N/mm² to provide a safety margin against substrate variation.
Under rain-screened façade conditions, formulations using 5605 HP RDP show less post-cure surface tack than high-plasticizer vinyl acetate-ethylene grades, reducing soiling accumulation. The open time measured according to EN 1346 remains above 30 min at 20 °C and 65 % relative humidity when the surface skin is prevented from forming too rapidly. This behavior contrasts with acrylic powder systems, which can require coalescing aids or higher dosage to reach the same wet-adhesion retention.
Dry-mix tile adhesives based on 5605 HP RDP can be formulated to meet C2, C2E, C2F, and deformability classifications S1 or S2 under EN 12004:2017. The standard requires initial tensile adhesion strength of at least 1.0 N/mm² after 28 days, with retention of at least 1.0 N/mm² after water immersion, heat ageing, and freeze-thaw cycles. Formulators should verify product-specific dosages because the cement type, filler particle size distribution, and cellulose ether interaction shift the optimum polymer content.
Under ISO 13007-1:2010, the corresponding classification codes are C2, E, F, S1, S2. 5605 HP RDP is not a standalone binder and does not itself carry a CE mark; compliance is assigned to the finished mortar system after notified-body testing. For self-leveling compounds, relevant performance classes are defined in EN 13813, where compressive strength class C25 and flexural strength class F6 or F7 are typically targeted. Manufacturer declarations for emission class under EMICODE EC1 Plus may be available for certain formulations.
Although vinyl acetate-ethylene copolymers are alkaline-resistant, the protective polyvinyl alcohol colloid is sensitive to borate ions and certain multivalent salts. Formulations containing zinc oxide, aluminum sulfate, or borate-based setting modifiers should be pre-tested because destabilization of the colloid can occur before cement hydration develops sufficient shear strength. Avoid amine-based accelerators at high dosage; these can raise the aqueous pH above 11 and accelerate polyvinyl alcohol hydrolysis, altering the redispersion profile.
The powder remains stable for at least 12 months from the date of production when stored in unopened bags at 5 °C to 35 °C and below 60 % relative humidity. Storage above 35 °C increases the risk of blocking through cold flow of the polymer phase, while storage below 0 °C is acceptable if the bags are sealed and allowed to equilibrate before use. Do not stack pallets beyond 2 high for extended periods because compression-induced caking can occur.
For calcium sulfate-based self-leveling underlayments, the water demand of the powder influences flow rheology. In laboratory paddle-mix rheology tests using a 500 W drill at 600 rpm, the addition of 1.5 % 5605 HP RDP to a low-consistency calcium sulfate mix produced a Brookfield viscosity between 2,000 mPa·s and 4,000 mPa·s at 20 °C, measured with a spindle 6 at 20 rpm. The exact viscosity depends on the plasticizer system; polycarboxylate ether superplasticizers at 0.2–0.5 % are commonly used to restore flow after polymer addition.
In cementitious self-leveling compounds, 5605 HP RDP increases flexural strength and reduces surface dusting. The flexural strength measured according to ASTM C348 or EN 13813 may increase by 10–20 % relative to an unmodified reference at equal water-to-cement ratio, while compressive strength may remain unchanged or decrease slightly due to polymer film interruption of the calcium silicate hydrate network. This trade-off is exploited when C25/F7 flowable screeds are required over rigid insulation boards. Published data for this specific configuration is limited; production lots should be individually validated for early-strength development under the intended curing regime.
