CAFCO 3000 / Isolatek Type 3000 Spray-Applied Fireproofing
CAFCO 3000 / ISOLATEK Type 3000 is an ultra high strength, gypsum based wet mix Spray-Applied Fire Resistive Material (SFRM) designed to meet the current International Building Code (IBC) minimum bond strength of 1,000 psf for buildings over 420 ft. in height.. As a commercial density, high bond product, CAFCO 3000 / ISOLATEK Type 3000 provides superior fire …
Physical properties and tensile strength evolution of gypsum …
Density (g/cm 3) v. Longitudinal wave velocity (m/s) ... Grade α high-strength gypsum powder, produced by Sichuan Hongtai Biochemical Co., ltd., Nanchong, China, was selected. Its main component is CaSO 4 ·0.5H 2 O. A block was prepared according to a ratio of water to paste of 3:10, and a standard sample was processed. The processed samples ...
GA 235 2019 FINAL 031119
Compressive Strength (typical) Ultimate compressive strength at 70oF (21oC) and 50% Relative Humidity (RH) Determinations were made from 2" x 2" (50 x 50 mm) or 4" x 4" (100 x 100 mm) …
12.5mm Gyproc Habito High-Strength Plasterboard
Buy 12.5mm Gyproc Habito Plasterboard, a 1200x2400mm high strength gypsum board for use in wals, where greater levels of fixing capability are required. 12.5mm Gyproc Habito plasterboard features an engineered gypsum core with calcium sulphate dihydrate encased in paper liners. This core which provides enhanced levels of strength, durability ...
Study on properties of untreated FGD gypsum-based high-strength
At 28 d of standard curing, the compressive strength of the untreated FGD gypsum-based high-strength building materials was more than 42 MPa, the flexural strength reached 8 MPa, which has reached the strength requirements on P·O 42.5 Portland cement in Chinese standard GB175-2007. And its shrinkage ratio was very low, the frost resistance and ...
chapter 16 Flashcards
Study with Quizlet and memorize flashcards containing terms like Which of the following is true concerning the chemical properties of gypsum materials?, Which of the following dental gypsum products will require the least water for mixing and will have the highest final density?, -Hemihydrate is commonly used for: and more.
Sheetrock® Brand UltraLight Panels
Sheetrock® Brand UltraLight Panels are 1/2 in. (12.7 mm) gypsum panels that feature proprietary core and paper technologies, resulting in a high strength-to-weight ratio composite design. These lightweight panels are also engineered to have superior sag resistance, eliminating the need for traditional 1/2 in. (12.7 mm) sag-resistant ceiling ...
Gold Bond 1/2-in x 4-ft x 8-ft High Strength LITE Regular Drywall Panel
Gold Bond® High Strength LITE® Gypsum Board is drywall that is formulated to be 25% lighter than standard 1/2" drywall. The result is a superior board that is lighter in weight, sag resistant, and easier to handle. High Strength LITE drywall can be used for walls and ceilings in non-fire rated single layer construction where framing members ...
USG Industrial Gypsum Product Catalog (English)
High-strength gypsum cement specially formulated for use with glass fiber for fabricating glass-reinforced architectural details. Exceptionally quick setting; accepts most coatings and finishes. Low water requirements result in high-strength, high-density glass fiber-reinforced gypsum …
High-Strength and Heat-Insulating Cellular Building …
2.1. Methods. The gypsum commonly used in construction is semihydrated gypsum (CaSO 4 ·0.5H 2 O), known as calcined gypsum. Calcined gypsum is considered one of the binders with adequate physical, thermal, and ecological properties for building concretes [].However, the specific weight range is quite high (60–80 kg/m 3) [], and it must be reduced …
Hydrocal® FGR 95
Hydrocal® FGR 95 is a high-strength gypsum cements specially formulated for use with glass fiber for fabricating glass-reinforced architectural details. This product is an alpha hemihydrate gypsum-based materials, with low water requirements that result in high-strength, high-density pieces. Hydrocal® FGR 95: Produces lightweight, thin-cast ...
Effect of Chopped Carbon Fibre (CCF) on enhancing the …
The results of the impact of adding CCF with a content of (0.3 percent) on the gypsum plaster compressive strength for two ((W/GP) ratios 0.6 & 0.7) are illustrated in Table 2 and Fig. 3.As result, the compressive strength increases as Chopped Carbon Fibre content increases in comparison to the mixes (Mix 1 and Mix 3 references), the behavior is consistent …
High-Strength and Heat-Insulating Cellular Building …
The features of the cellular concrete were: density values of 530–600 kg/m 3, porosity values of 71.4–74.7%, thermal conductivity values of 0.129–0.184 W/mK, compressive strength values of 1.2–2.2 MPa, water absorption values of 3.5–3.9 vol.%, and pore sizes below 4.5 mm. Lightweight gypsum materials can be used as thermal insulation ...
GYPSUM BOARD TYPICAL MECHANICAL AND PHYSICAL …
EI is dependent on board density, relative humidity, type of board, paper type, direction of board during testing and the amount of handling prior to measurement.
2024 KNAUF PRO HD Gypsum Board Datasheet
Knauf Pro HD is a high performance gypsum board providing durability, impact, fire and moisture resistance. With it's specially toughened high-density core, it provides excellent load capacity …
Sheetrock® Brand UltraLight Panels
Sheetrock® Brand UltraLight Panels are 1/2 in. (12.7 mm) gypsum panels that feature proprietary core and paper technologies, resulting in a high strength-to-weight ratio composite design. These lightweight panels are also engineered …
High-strength dental gypsum prepared by cold isostatic pressing
The high-strength gypsum processed by CIP may extend the applications of this material in the medical field as implant materials. Recommended articles. References (6) ... (∼95% of the theoretical density) and mechanical strength (∼100 MPa) were attained for the specimens subjected to the cold isostatic pressing and ball milling. A close ...
Abuse Resistant Drywall, High Impact Interior Panels | USG
This is achieved through higher wallboard density and the presence of fiber mesh embedded in the backside of the wallboard. USG offers two types of impact-resistant drywall panels that provide moderate abuse resistance and two types of panels that provide high levels of abuse resistance. ... Due to high demand of these abuse-resistant gypsum ...
DM chapter 16 Flashcards
Which of the following dental gypsum products will require the least for mixing and will have the highest final density? a. Impression plaster (Type I) b. Model plaster (Type II) с. Dental stone (Type III) d. Dental stone, high strength (Type IV), 3. For which type of model would the dental assistant choose to use a B- Hemihydrate? a. die ...
CN111675530A
The invention discloses a high-density and high-strength gypsum ceramic and a preparation method thereof, wherein the gypsum ceramic is calcium sulfate dihydrate (CaSO) 4 ·2H 2 O) has greatly improved density (90-97%), compressive strength (42-97 MPa) and bending strength (12-27 MPa) compared with common block gypsum. The gypsum ceramic provided by the …
Strength Gypsum
The compressive strength of foam gypsum specimens with an average density of 600 kg/m 3 in dry state is between 1.5 and 2.5 MPa, when building gypsum strength is 5 MPa, when initial building gypsum strength is 10 MPa, foam gypsum specimens strength increases up to 3.0–4.0 MPa (Ferronskaya, 2004).
High-strength dental gypsum prepared by cold isostatic pressing
The green block of plaster before water immersion was carvable with a green density and green strength of 50% and 5 MPa, respectively. ... The high-strength gypsum processed by CIP may extend the applications of this material in the medical field as implant materials. Keywords: Dental materials, plaster, mechanical properties Received 15 March ...
CAFCO 3000 / Isolatek Type 3000 Spray-Applied …
CAFCO 3000 / ISOLATEK Type 3000 is an ultra high strength, gypsum based wet mix Spray-Applied Fire Resistive Material (SFRM) designed to meet the current International Building Code (IBC) minimum bond strength of 1,000 psf …
Structural performance of fibrous plaster. Part 1: Physical …
High density gypsum absorbed less moisture (0.2%) than low density gypsum (1%), as expected, but the jute fibres in the hessian absorbed more than 20% of the moisture. High density gypsum was considerably stronger than low density material, and random glass mats as reinforcement resulted in the highest flexural strengths and ability to yield to ...
FIRM-FILL® High Strength
FIRM-FILL® High Strength FIRM-FILL® High Strength floor underlayment is the economical solution to correct concrete problems. It resurfaces any cracked or damaged concrete to better than new, providing surface hardness from 2500 to over 3800 psi. From feather edge to 3-1/2 inches in thickness, FIRM-FILL® High Strength floor underlayment provides a durable, flat floor …
Mechanical strength and thermal conductivity of low-porosity gypsum …
Gypsum bodies produced by this new process have high density and are mechanically stronger. For gypsum plates having 1.6 g.cm-3 density, their strengths to bending and compression were found to be as high as 15.0 and 40.0 MPa, respectively. The new process can produce denser and stronger bodies by adjusting the compacting pressure.
High Strength Lite 1/2 in. x 4 ft. x 12 ft.
Gold Bond High Strength LITE Gypsum Board is drywall that is formulated to be 25% lighter than standard 1/2" drywall. The result is a superior board that is lighter in weight, sag resistant, and easier to handle. High Strength LITE drywall can …
Properties of Gypsum
Explore a comprehensive list of gypsum properties at normal temperature and pressure (NTP) in both SI and US customary units.
GYPSUM CEMENT, HYDRO-STONE
Hydro-Stone Gypsum Cement, 50lb. bag Exceptionally strong gypsum cement is a multi-purpose product used as a high strength alternative to sulfur capping compound. Superior expansion vs. Hydrocal® A-11 or B-11 gypsum cements.
PIMA Technical Bulletin #501 High-Density Polyiso …
HD Polyiso 1/4" Gypsum 1/2" Gypsum 5/8" Gypsum Water Absorption - % volume 4% 9% - 12% 8% - 11% 8% - 10% Water Absorption - lb per 4 ft x 8 ft board 1.7 - 3.3 3.8 - 5.0 6.4 - 8.8 8.0 - 10.2 Virtually dust free HDP cover boards are a closed-cell high-density polyiso product that contribute less dust than gypsum products when cutting the ...